Wisconsin Well Drillers Directory
Every company that appears as the driller of record in the Wisconsin Department of Natural Resources Groundwater Retrieval Network (GRN) well-construction records, ranked by the number of wells they have drilled. 769 Wisconsin drilling companies account for 457,251 logged wells. Each profile shows the counties a company works, its well characteristics, and links to its original drilling logs — all drawn directly from the state record.
769drilling companies
144active since 2022
457,251wells on record
Companies with at least 25 wells on record. "Active" counts wells completed since 2022.
| # | Company | Wells | Since 2022 | Counties | Most recent |
|---|---|---|---|---|---|
| 1 | Sam's Well Drilling Inc. | 21,895 | 5,407 | 66 | 2026-05-01 |
| 2 | Van DE Yacht Leo Well Drilling Inc. | 8,998 | 1,319 | 34 | 2026-04-30 |
| 3 | Midwest Well Drilling & Hydrofracking LLC | 1,452 | 1,196 | 18 | 2026-03-26 |
| 4 | Hintzke Well Drilling Inc. | 4,365 | 947 | 37 | 2026-04-30 |
| 5 | Luisier Well Drilling Inc. | 12,107 | 879 | 28 | 2025-07-08 |
| 6 | Wells BY Welch - Bentley WD LLC | 2,415 | 814 | 25 | 2026-05-11 |
| 7 | Faherty, Jeffery A | 989 | 797 | 8 | 2026-04-29 |
| 8 | Rhinelander Well Drilling Inc. | 5,196 | 665 | 22 | 2026-05-11 |
| 9 | Komarek, Ronald A SR | 1,080 | 654 | 17 | 2026-04-23 |
| 10 | Bertram Junemann Well Drilling Inc. | 4,104 | 605 | 15 | 2026-04-30 |
| 11 | Tim Butterfield Drilling Inc. | 589 | 589 | 8 | 2026-04-30 |
| 12 | Steffes, Daniel J | 1,151 | 560 | 15 | 2026-04-23 |
| 13 | Gehring, Lance M | 1,126 | 551 | 8 | 2026-04-14 |
| 14 | Butterfield Inc. | 2,283 | 537 | 13 | 2026-04-28 |
| 15 | Jeremy Beecroft Well Drilling | 536 | 536 | 7 | 2026-05-04 |
| 16 | Drews Well Drilling Inc. | 1,162 | 523 | 12 | 2026-04-15 |
| 17 | Hedberg W D/Ecs Holdings LLC | 2,116 | 511 | 7 | 2026-05-05 |
| 18 | Weslow Water Systems Inc. | 1,714 | 490 | 23 | 2026-04-29 |
| 19 | Sweeney, Kenneth R | 904 | 488 | 12 | 2026-04-28 |
| 20 | Ground Source Inc. | 2,237 | 480 | 41 | 2026-04-22 |
| 21 | Jelinek Well Drilling Inc. | 5,674 | 469 | 14 | 2026-05-01 |
| 22 | Brunner Well Drilling LLC | 1,060 | 460 | 17 | 2026-04-06 |
| 23 | Oium, Kelly Well Drilling Inc. | 1,018 | 453 | 20 | 2026-04-22 |
| 24 | Pelke Plbg & Well Drlg Inc. | 1,997 | 438 | 14 | 2026-02-27 |
| 25 | Walker, Bruce A | 635 | 431 | 16 | 2026-04-13 |
| 26 | Wranik, Thomas F | 708 | 423 | 5 | 2026-05-11 |
| 27 | D&m Waterworks LLC | 417 | 417 | 5 | 2026-05-07 |
| 28 | Marshall Well Drilling Corp | 1,713 | 408 | 10 | 2026-04-21 |
| 29 | 4-D Water Well & Pump Service LLC | 707 | 406 | 11 | 2026-04-28 |
| 30 | Herr Well Drilling Inc. | 10,263 | 395 | 20 | 2026-04-29 |
| 31 | Fedie, Donald S | 723 | 381 | 18 | 2026-04-09 |
| 32 | Kramer Well Drilling Inc. | 7,044 | 379 | 21 | 2025-11-20 |
| 33 | Schaitel, Jake J | 667 | 366 | 10 | 2026-04-22 |
| 34 | Hornung, James JR | 532 | 363 | 8 | 2026-03-10 |
| 35 | D M B Drilling Co. Inc. | 1,341 | 349 | 18 | 2026-05-11 |
| 36 | Shawano Well Drilling Inc. | 3,990 | 346 | 19 | 2026-04-22 |
| 37 | Aqua-Service Inc. | 3,198 | 331 | 16 | 2026-05-11 |
| 38 | Heeg Well And Pump LLC | 1,276 | 327 | 25 | 2026-04-17 |
| 39 | Roth Well Drilling | 586 | 311 | 9 | 2026-03-19 |
| 40 | Komarek, Theodore | 301 | 300 | 15 | 2026-05-08 |
| 41 | H2o Well Drilling & Pump Service | 1,054 | 298 | 27 | 2026-04-28 |
| 42 | Wayne Holly Well Drilling LLC | 294 | 294 | 4 | 2026-05-13 |
| 43 | Nehls & Webster Well Drilling | 2,122 | 275 | 21 | 2026-04-17 |
| 44 | Olson Ken Well Drlg & Pump Ser Inc. | 2,219 | 272 | 17 | 2026-03-25 |
| 45 | Steve's Well And Pump Services, LLC | 564 | 269 | 6 | 2026-04-21 |
| 46 | Retzlaff & Gregorich | 1,098 | 256 | 8 | 2026-03-26 |
| 47 | Kouba Drilling LLC | 1,149 | 248 | 14 | 2026-04-23 |
| 48 | Dj's Water Service | 1,216 | 246 | 22 | 2026-04-23 |
| 49 | Hoyer Brothers Well Drilling Inc. | 2,697 | 244 | 11 | 2026-04-27 |
| 50 | Butterfield, Tim Drilling Inc. | 2,128 | 242 | 18 | 2023-05-08 |
| 51 | J & K Pump & Well Service | 570 | 241 | 17 | 2026-04-13 |
| 52 | Nelsons Plbg & Elec Inc. | 1,344 | 235 | 18 | 2026-02-11 |
| 53 | Krizan, Kenneth J | 342 | 216 | 8 | 2026-04-12 |
| 54 | Roschi Bros Well Drlg & Pump Inc. | 1,592 | 212 | 12 | 2026-04-23 |
| 55 | T & T Well Drilling & Pump Service | 1,347 | 199 | 15 | 2026-03-24 |
| 56 | Binz, Steve E | 354 | 198 | 6 | 2026-04-06 |
| 57 | Willmarth, Travis | 379 | 192 | 9 | 2026-04-17 |
| 58 | Cox, Bryan | 393 | 185 | 7 | 2025-11-17 |
| 59 | Drill Baby Drill LLC | 179 | 179 | 11 | 2026-04-30 |
| 60 | Hyink Well Drilling Inc. | 2,521 | 178 | 16 | 2026-04-21 |
| 61 | Beecroft, Jeremy R | 849 | 177 | 7 | 2023-04-18 |
| 62 | Webster & Sons Well Drilling, LLC | 176 | 176 | 11 | 2026-05-12 |
| 63 | Haupt Well Drlg Inc. | 1,723 | 170 | 31 | 2026-04-21 |
| 64 | Webster Brad & Sons Drilling Inc. | 1,493 | 160 | 17 | 2024-01-11 |
| 65 | Arneson Well Drilling LLC | 159 | 158 | 16 | 2026-04-22 |
| 66 | Richardson WD/Ertl Enterprises Inc. | 3,556 | 145 | 13 | 2023-01-18 |
| 67 | Reichhoff, Rodney J | 222 | 141 | 6 | 2026-04-18 |
| 68 | Beecroft, Brant C | 268 | 140 | 6 | 2025-11-21 |
| 69 | Kent, Robert W | 282 | 138 | 2 | 2025-12-01 |
| 70 | Anderson, Paul R | 414 | 137 | 5 | 2026-04-10 |
| 71 | Mccullough & Sons Inc. | 3,014 | 133 | 12 | 2026-04-24 |
| 72 | Zdroik Well Drilling And Pump Services, LLC | 129 | 129 | 6 | 2025-10-28 |
| 73 | Chell Well Drilling | 1,111 | 128 | 6 | 2026-05-07 |
| 74 | Farago Plbg & Trenching Inc. | 368 | 123 | 9 | 2025-09-22 |
| 75 | Hezpaz Enterprizes | 152 | 121 | 10 | 2026-05-04 |
| 76 | Biersack, Robert K | 272 | 116 | 7 | 2026-05-08 |
| 77 | Webster Well Drilling Inc. | 3,928 | 113 | 12 | 2025-06-03 |
| 78 | Froemel Well | 774 | 112 | 8 | 2026-04-29 |
| 79 | Groth Water Wells Inc. | 1,539 | 111 | 9 | 2026-04-21 |
| 80 | Martell Well Drilling & Pump Repair Inc. | 344 | 111 | 7 | 2026-03-30 |
| 81 | Gohlke Well Drilling Llp | 864 | 109 | 5 | 2026-03-12 |
| 82 | Melin, Robert T | 225 | 104 | 2 | 2026-02-17 |
| 83 | D & D Well & Pumps LLC | 556 | 101 | 16 | 2026-03-27 |
| 84 | Dahl Well Drilling LLC | 722 | 99 | 10 | 2025-12-01 |
| 85 | Lysaker, David Lloyd | 92 | 91 | 5 | 2025-12-17 |
| 86 | Hartman Well Drilling & Pump Services Inc. | 404 | 90 | 6 | 2023-10-04 |
| 87 | Bloyer Well & Pump Co. Inc. | 573 | 86 | 9 | 2026-04-07 |
| 88 | Hischer, Daniel D | 332 | 84 | 5 | 2026-01-14 |
| 89 | Jenks, Timothy J | 380 | 83 | 6 | 2026-03-10 |
| 90 | Rush, Jon A | 128 | 83 | 5 | 2026-04-01 |
| 91 | Foster's Septic & Well Service LLC | 1,330 | 80 | 6 | 2022-09-22 |
| 92 | Lysaker, Timothy M | 256 | 76 | 8 | 2026-04-27 |
| 93 | Rodamaker, Robert J | 190 | 74 | 9 | 2026-03-04 |
| 94 | Rock Solid Well Drilling LLC | 71 | 71 | 14 | 2026-04-02 |
| 95 | Schafer R J & Sons Inc. | 1,896 | 62 | 16 | 2023-10-04 |
| 96 | Holly, Wayne | 156 | 62 | 2 | 2022-11-14 |
| 97 | Cooper, Gerald L | 98 | 60 | 5 | 2026-03-06 |
| 98 | All American Well & Pump | 890 | 59 | 19 | 2024-06-18 |
| 99 | Hartert, Edward A | 173 | 53 | 6 | 2025-09-30 |
| 100 | Young, Raymond JR | 144 | 52 | 5 | 2025-08-07 |
| 101 | Vetter, William | 86 | 52 | 7 | 2026-03-23 |
| 102 | Morin, Douglas J | 166 | 50 | 5 | 2026-01-12 |
| 103 | Holler, Wayne | 128 | 47 | 5 | 2025-07-11 |
| 104 | Lange Plumbing Inc. | 123 | 42 | 6 | 2026-02-05 |
| 105 | Lovelace Well Drilling Inc. | 2,504 | 40 | 26 | 2022-09-20 |
| 106 | Huemann Jos H & Sons Inc. | 94 | 40 | 4 | 2025-05-08 |
| 107 | Fritz, Robert R | 45 | 36 | 5 | 2025-04-22 |
| 108 | Hanser, Elijah J | 171 | 35 | 6 | 2024-09-19 |
| 109 | Maresch, Jacob J | 58 | 35 | 2 | 2025-04-17 |
| 110 | Kleiman Pump & Well Drilling Inc. | 962 | 34 | 6 | 2025-10-16 |
| 111 | Niffenegger Well & Pump Inc. | 1,201 | 33 | 9 | 2022-12-16 |
| 112 | Kozikowski Well & Pump Inc. | 63 | 32 | 2 | 2026-01-13 |
| 113 | Steffl Drilling & Pump Inc. | 34 | 32 | 4 | 2025-09-25 |
| 114 | Anhalt Well Drlg & Pump Inc. | 1,222 | 30 | 16 | 2024-01-04 |
| 115 | Well Pros Pump & Well Drilling Services LLC | 204 | 29 | 4 | 2025-12-10 |
| 116 | Mcafee Well Drlg & Pump Serv Inc. | 85 | 29 | 4 | 2026-04-21 |
| 117 | Rutherford, Jeffrey J | 76 | 26 | 6 | 2025-08-26 |
| 118 | Loehrke, Neal D | 44 | 26 | 3 | 2026-03-05 |
| 119 | Kostac, Christopher L | 31 | 24 | 2 | 2025-11-08 |
| 120 | Rutherford Well Drlg Inc. | 272 | 23 | 11 | 2024-04-16 |
| 121 | Arnold, William JR | 39 | 23 | 1 | 2025-09-16 |
| 122 | Binz, David J | 38 | 23 | 3 | 2026-03-02 |
| 123 | Farago, Terry | 46 | 22 | 6 | 2026-04-30 |
| 124 | Maiden Lake Plumbing LLC | 27 | 21 | 4 | 2026-02-25 |
| 125 | Lysaker And Sons Well Drilling And Service LLC | 90 | 20 | 6 | 2022-09-24 |
| 126 | Atwood, Thomas | 69 | 19 | 4 | 2024-06-18 |
| 127 | Martin, Charles Wade | 34 | 18 | 3 | 2026-04-20 |
| 128 | Gustum, Tom | 26 | 15 | 3 | 2026-03-31 |
| 129 | Huemann, John J | 35 | 14 | 2 | 2026-03-17 |
| 130 | Liebau, Arthur James | 34 | 13 | 4 | 2025-11-25 |
| 131 | Chets Plbg & Htg Inc. | 58 | 12 | 3 | 2025-08-18 |
| 132 | Beach Pump & Well Service Inc. | 207 | 11 | 4 | 2024-07-08 |
| 133 | Roberts Irrigation Co. Inc. | 140 | 11 | 24 | 2025-12-30 |
| 134 | Karnosh, Donald F | 60 | 11 | 2 | 2022-11-02 |
| 135 | Kimmes-Bauer Well Drilling Inc. | 349 | 9 | 9 | 2025-08-22 |
| 136 | Lang Well Drilling Co. Inc. | 2,591 | 7 | 13 | 2022-03-14 |
| 137 | Mercer Well C.m. | 137 | 7 | 5 | 2023-10-14 |
| 138 | Jennemans Hardware Hank Inc. | 398 | 6 | 2 | 2022-08-04 |
| 139 | Culton Water Wells & Pump Services | 153 | 6 | 6 | 2023-07-10 |
| 140 | Holt John A | 92 | 6 | 6 | 2023-10-30 |
| 141 | Municipal Well & Pump/Midwest Well | 70 | 6 | 29 | 2024-09-25 |
| 142 | Dama Plbg & Htg Inc. | 32 | 6 | 2 | 2025-10-15 |
| 143 | Boyce, Kenneth D | 30 | 6 | 3 | 2024-12-30 |
| 144 | Kleiman, Erik P | 48 | 5 | 3 | 2022-10-28 |
| 145 | Traut Mark J Wells Inc. | 33 | 2 | 17 | 2022-06-21 |
| 146 | John Holt | 156 | 1 | 2 | 2024-05-24 |
| 147 | Blake W D & Sons Inc. | 59 | 1 | 1 | 2024-03-15 |
| 148 | Smith David William | 51 | 1 | 4 | 2024-10-18 |
| 149 | Sams Rotary Drillers Inc. | 12,103 | — | 47 | 2004-08-31 |
| 150 | Michael Hartman | 5,782 | — | 27 | 2003-09-04 |
| 151 | Daniel J Steffes | 4,646 | — | 25 | 2018-04-05 |
| 152 | Ronald A Komarek SR | 4,389 | — | 23 | 2018-04-12 |
| 153 | Corpian Well Drilling Inc. | 4,205 | — | 15 | 2017-12-07 |
| 154 | Donald S Fedie | 3,661 | — | 20 | 2018-03-21 |
| 155 | Todd Huemann | 3,658 | — | 19 | 2015-03-11 |
| 156 | James Hornung JR | 3,499 | — | 12 | 2018-03-23 |
| 157 | Van DE Yacht Bill Wtr Well & Specia | 3,200 | — | 35 | 2009-11-19 |
| 158 | Thomas G Butterfield | 3,136 | — | 16 | 2005-10-10 |
| 159 | William D Brunner | 3,124 | — | 16 | 2013-11-26 |
| 160 | Michael J Wettstein | 3,098 | — | 8 | 2016-07-11 |
| 161 | Retzlaff Well Drilling Inc. | 2,917 | — | 13 | 2007-03-21 |
| 162 | Martell Steve Pumps & Well Drlg Inc. | 2,875 | — | 14 | 2015-06-08 |
| 163 | Haupt Well & Pump Co. Inc. | 2,807 | — | 21 | 2021-10-07 |
| 164 | Central Well Drilling LLC | 2,757 | — | 28 | 2013-12-03 |
| 165 | Jesse W Brunner | 2,585 | — | 21 | 2016-03-03 |
| 166 | Mark E Euclide | 2,397 | — | 4 | 2018-03-28 |
| 167 | Kenneth R Sweeney | 2,346 | — | 15 | 2018-03-26 |
| 168 | Kouba Well Drilling Inc. | 2,335 | — | 16 | 2013-03-13 |
| 169 | Thomas F Wranik | 2,301 | — | 7 | 2017-11-30 |
| 170 | Roger Weber | 2,293 | — | 11 | 2003-09-10 |
| 171 | Van DE Yacht Leo Well Drilling I | 2,287 | — | 11 | 1998-11-02 |
| 172 | Van DE Yacht Bill Wtr Well @ Spe | 2,253 | — | 17 | 1998-11-17 |
| 173 | Wagner Brothers Well Drilling IN | 2,207 | — | 16 | 1998-09-29 |
| 174 | Zielieke Well Drilling Inc. | 2,207 | — | 9 | 2002-09-25 |
| 175 | Willems Well Drilling Inc. | 2,117 | — | 15 | 2014-05-01 |
| 176 | Edward J Drews | 2,070 | — | 11 | 2016-11-09 |
| 177 | Raymond Young JR | 1,853 | — | 12 | 2018-04-17 |
| 178 | Butterfield Roscoe Well & Pump Inc. | 1,843 | — | 9 | 2011-10-24 |
| 179 | Kelly Oium | 1,836 | — | 17 | 2017-03-21 |
| 180 | Govert Well & Pump Llp | 1,775 | — | 8 | 2011-09-21 |
| 181 | Mantyla Well Drilling Inc. | 1,739 | — | 6 | 2021-12-03 |
| 182 | Wagner Brothers Well Drilling Inc. | 1,678 | — | 14 | 2009-12-28 |
| 183 | Haupt Well @ Pump Co. Inc. | 1,673 | — | 15 | 1998-11-02 |
| 184 | Paul R Anderson | 1,649 | — | 5 | 2018-03-06 |
| 185 | Koeppel Phil Well Drlg LLC | 1,621 | — | 9 | 2016-04-27 |
| 186 | Richardson Well Drilling Inc. | 1,593 | — | 9 | 1998-10-30 |
| 187 | Govert Bros Well Drilling Co. | 1,587 | — | 6 | 1998-10-02 |
| 188 | Timothy J Jenks | 1,553 | — | 9 | 2018-05-09 |
| 189 | Terry L Marshall | 1,467 | — | 10 | 2005-04-28 |
| 190 | Timothy M Lysaker | 1,461 | — | 7 | 2018-03-20 |
| 191 | Randy C Stuhr | 1,460 | — | 10 | 2008-08-29 |
| 192 | Martell Steve Pumps @ Well Drlg | 1,456 | — | 7 | 1998-10-20 |
| 193 | Hoover Water Well Service Inc. | 1,414 | — | 6 | 1997-08-01 |
| 194 | Michael G Hartman | 1,407 | — | 17 | 2013-02-19 |
| 195 | Foster Enterprises Ltd | 1,389 | — | 5 | 2007-11-28 |
| 196 | Karl I Stenerson | 1,361 | — | 16 | 2018-02-27 |
| 197 | Daniel D Hischer | 1,343 | — | 5 | 2018-03-03 |
| 198 | Bruce A Walker | 1,325 | — | 28 | 2018-03-18 |
| 199 | Philip J Koeppel | 1,316 | — | 6 | 2002-05-19 |
| 200 | James R Phillips | 1,231 | — | 9 | 2013-08-12 |
| 201 | Quinnells Septic & Well Service Inc. | 1,215 | — | 6 | 2021-03-15 |
| 202 | Brian Heeg | 1,195 | — | 14 | 2002-05-13 |
| 203 | Roger P Weber | 1,191 | — | 17 | 2014-11-19 |
| 204 | Zoellner Central Well Drilling | 1,191 | — | 14 | 1997-08-11 |
| 205 | Richard L Danecki | 1,182 | — | 13 | 2006-06-16 |
| 206 | Richard Berkholtz | 1,149 | — | 14 | 1998-11-03 |
| 207 | Roschi Bros Well Drlg @ Pump Inc. | 1,140 | — | 11 | 1998-10-30 |
| 208 | Midwest Hydrofracking LLC | 1,135 | — | 20 | 2021-07-21 |
| 209 | Aune Well Drilling Inc. | 1,131 | — | 5 | 2014-08-16 |
| 210 | Hanser Bill Well & Pump Inc. | 1,104 | — | 8 | 2019-02-13 |
| 211 | Edward A Hartert | 1,073 | — | 8 | 2018-03-20 |
| 212 | Ethan A Welch | 1,071 | — | 10 | 2006-08-31 |
| 213 | Jorns Harvey & David Well Drlg Inc. | 1,067 | — | 3 | 2013-11-19 |
| 214 | Patrick J Lahr | 1,066 | — | 12 | 2000-01-07 |
| 215 | Soik R J Plbg & Htg Inc. | 1,060 | — | 16 | 2018-11-20 |
| 216 | Douglas J Morin | 1,041 | — | 7 | 2018-04-23 |
| 217 | Schafer R J @ Sons Inc. | 1,034 | — | 9 | 1998-11-06 |
| 218 | Sylvester R Haupt | 1,031 | — | 29 | 2004-09-22 |
| 219 | Mccullough @ Sons Inc. | 1,024 | — | 8 | 1998-11-30 |
| 220 | Donald C Kirschbaum | 993 | — | 9 | 2000-12-12 |
| 221 | Thomas A Schmidt | 977 | — | 10 | 2013-08-08 |
| 222 | Travis Willmarth | 966 | — | 13 | 2017-12-01 |
| 223 | Bertram Junemann Well Drilling I | 955 | — | 10 | 1998-10-13 |
| 224 | Lance M Gehring | 939 | — | 11 | 2018-04-09 |
| 225 | Charlies Pumps & Well Drilling Inc. | 926 | — | 5 | 2016-01-07 |
| 226 | Keith R Lind | 906 | — | 5 | 2018-03-21 |
| 227 | Larry D Hintz | 902 | — | 9 | 2017-12-04 |
| 228 | Jake J Schaitel | 899 | — | 9 | 2018-05-12 |
| 229 | Schmidts Water Service | 897 | — | 9 | 1995-12-05 |
| 230 | Pelke Plbg Htg @ Well Drlg Inc. | 887 | — | 13 | 1998-11-06 |
| 231 | Pelke Glen Plbg Htg & Well Drlg Inc. | 871 | — | 11 | 2021-01-25 |
| 232 | Ace Well Drilling Inc. | 858 | — | 18 | 2002-01-07 |
| 233 | Red Willems | 854 | — | 8 | 1997-02-03 |
| 234 | Bernard Young | 849 | — | 11 | 2002-08-12 |
| 235 | Thomas D Roos | 848 | — | 9 | 2015-10-05 |
| 236 | Daniel J Beecroft | 848 | — | 5 | 2010-10-05 |
| 237 | Groth Drilling Co. Inc. | 844 | — | 9 | 1996-04-05 |
| 238 | Heeg Well Drlg LLC | 842 | — | 20 | 2010-02-05 |
| 239 | Matt H Long | 822 | — | 4 | 2017-10-06 |
| 240 | Bryan Cox | 817 | — | 10 | 2018-03-12 |
| 241 | Gene H Maurer | 811 | — | 9 | 2010-11-29 |
| 242 | Laabs Well Drilling Inc. | 808 | — | 10 | 2019-05-07 |
| 243 | Butterfield Roscoe Well @ Pump I | 800 | — | 8 | 1998-11-03 |
| 244 | Leo Van DE Yacht | 799 | — | 11 | 1999-08-22 |
| 245 | Roy E Oines | 797 | — | 8 | 2003-03-01 |
| 246 | Kline Well @ Pump Inc. | 794 | — | 10 | 1998-09-29 |
| 247 | Klemme Bros Well & Pump Inc. | 793 | — | 8 | 2012-10-02 |
| 248 | David L Mccullough | 773 | — | 7 | 1995-08-16 |
| 249 | Aqua Well & Pump Systems Inc. | 773 | — | 12 | 2005-12-29 |
| 250 | Egofske Porter Drilling Inc. | 761 | — | 9 | 2007-11-09 |
| 251 | Frederick F Kuck | 754 | — | 5 | 2010-10-21 |
| 252 | Francis X Faherty | 739 | — | 9 | 2004-09-13 |
| 253 | Christopher J Olson | 733 | — | 17 | 2011-07-13 |
| 254 | Stephen D Keifenheim | 724 | — | 12 | 2006-06-04 |
| 255 | Timothy L Butterfield | 723 | — | 13 | 2012-08-14 |
| 256 | Van DE Yacht Leo | 716 | — | 8 | 1992-05-28 |
| 257 | Peak Well Drilling LLC | 702 | — | 9 | 2012-09-11 |
| 258 | Roger E Beecroft | 696 | — | 11 | 2011-09-16 |
| 259 | Robert T Melin | 694 | — | 4 | 2017-12-01 |
| 260 | Rush Well Drilling LLC | 689 | — | 11 | 2020-09-02 |
| 261 | Dean E Rickard | 684 | — | 8 | 2001-11-20 |
| 262 | Edward J Gritzner | 655 | — | 9 | 2011-05-12 |
| 263 | Roger Beecroft | 653 | — | 10 | 2003-09-04 |
| 264 | Thomas Atwood | 649 | — | 9 | 2017-07-05 |
| 265 | Bradley M Hartman | 640 | — | 14 | 2017-07-14 |
| 266 | Terry Farago | 635 | — | 14 | 2018-02-27 |
| 267 | James E Cheney | 629 | — | 6 | 2007-11-14 |
| 268 | Michael J Barr | 621 | — | 7 | 2011-10-12 |
| 269 | Gary Beecroft | 619 | — | 4 | 2003-06-30 |
| 270 | Aschauer E G & Sons Inc. | 613 | — | 4 | 2013-06-12 |
| 271 | Aschauer E G @ Sons Inc. | 611 | — | 5 | 1998-11-03 |
| 272 | Emanuel Burgarino | 611 | — | 10 | 2006-10-06 |
| 273 | Hoover Well Drilling Co. Inc. | 610 | — | 4 | 2004-10-19 |
| 274 | Jorns Harvey @ David Well Drlg I | 601 | — | 3 | 1998-11-07 |
| 275 | Michael L Coons | 601 | — | 8 | 2004-03-10 |
| 276 | Eric Lysaker | 598 | — | 7 | 2018-01-08 |
| 277 | Pelke Plbg Htg & Well Drlg Inc. | 596 | — | 9 | 2003-10-27 |
| 278 | Brunner William D | 595 | — | 9 | 1992-06-01 |
| 279 | Steve E Binz | 591 | — | 7 | 2018-01-30 |
| 280 | Nehls @ Webster Well Drilling | 589 | — | 20 | 1998-11-16 |
| 281 | Thomas D Mcafee | 588 | — | 6 | 2015-02-11 |
| 282 | Jeremy R Beecroft | 574 | — | 8 | 2018-03-09 |
| 283 | Edwin D Greenfield | 570 | — | 12 | 2003-09-03 |
| 284 | William J Smith | 562 | — | 5 | 2004-12-04 |
| 285 | Gibour Well & Pump Serv Inc. | 561 | — | 13 | 2021-06-02 |
| 286 | Jorns Well Drilling Inc. | 555 | — | 5 | 1994-04-23 |
| 287 | Brian M Patten | 552 | — | 7 | 2012-09-24 |
| 288 | Olson Ken Well Drlg @ Pump Ser I | 537 | — | 7 | 1998-10-26 |
| 289 | Roscoe C Butterfield | 533 | — | 9 | 1994-03-02 |
| 290 | Kline Well & Pump Inc. | 533 | — | 9 | 2003-05-24 |
| 291 | Lind Larry Well Drilling Inc. | 529 | — | 5 | 1999-12-29 |
| 292 | Richard E Hedberg | 527 | — | 3 | 2003-07-01 |
| 293 | David Davis | 522 | — | 5 | 1991-09-03 |
| 294 | Donald J Firkus SR | 502 | — | 5 | 2004-11-01 |
| 295 | Karl M Walker | 499 | — | 13 | 2000-08-10 |
| 296 | Sam Rodamaker | 497 | — | 7 | 2005-03-01 |
| 297 | Hanser Bill Well @ Pump Inc. | 486 | — | 5 | 1998-10-20 |
| 298 | Wayne W Salefsky | 484 | — | 8 | 2015-11-25 |
| 299 | Tipler Well Drilling Inc. | 482 | — | 15 | 1999-08-24 |
| 300 | Donald Karnosh | 476 | — | 6 | 2003-09-10 |
| 301 | William J Gohlke | 472 | — | 3 | 2000-04-28 |
| 302 | Quinnells Septic @ Well Service | 470 | — | 5 | 1998-09-23 |
| 303 | Larry L Jenks | 465 | — | 8 | 2013-10-18 |
| 304 | John J Huemann | 453 | — | 4 | 2020-06-05 |
| 305 | Larry L Willmarth | 452 | — | 8 | 2006-01-19 |
| 306 | Hartman Michael | 446 | — | 10 | 1992-05-29 |
| 307 | Norman Holler | 437 | — | 7 | 2007-10-22 |
| 308 | Robert K Biersack | 435 | — | 8 | 2018-04-06 |
| 309 | David William Smith | 435 | — | 8 | 2017-11-16 |
| 310 | Huemann Jos H @ Sons Inc. | 434 | — | 4 | 1996-08-29 |
| 311 | Steve Hartman | 431 | — | 8 | 1996-12-21 |
| 312 | Charlies Pumps @ Well Drilling I | 428 | — | 7 | 1998-07-23 |
| 313 | Charles A Antill | 423 | — | 5 | 2016-06-15 |
| 314 | Michael Johnson | 422 | — | 5 | 2003-08-16 |
| 315 | Jereme Romitti | 417 | — | 3 | 2017-08-24 |
| 316 | Dwayne Hayen | 416 | — | 9 | 2012-11-28 |
| 317 | Soik R J Plbg @ Htg Inc. | 410 | — | 9 | 1998-11-03 |
| 318 | Richard Morse | 408 | — | 11 | 2003-02-12 |
| 319 | James A Hornung | 402 | — | 4 | 1995-10-05 |
| 320 | Jeffrey J Holt | 393 | — | 6 | 2011-07-22 |
| 321 | Bowling Ray, Inc. | 389 | — | 10 | 2015-06-17 |
| 322 | Mercer Well Drilling LLC | 388 | — | 10 | 2013-05-30 |
| 323 | Weber Roger | 387 | — | 6 | 1992-05-28 |
| 324 | J F Werner | 376 | — | 9 | 1999-03-31 |
| 325 | Gehring Lance Well Drilling Inc. | 375 | — | 5 | 2020-10-12 |
| 326 | Kleiman Pump @ Well Drilling Inc. | 373 | — | 4 | 1998-10-13 |
| 327 | Ervin J Heim | 369 | — | 6 | 2003-02-06 |
| 328 | Peter Romitti JR | 367 | — | 4 | 2001-10-09 |
| 329 | Liebau Laun Inc. | 366 | — | 5 | 2020-08-05 |
| 330 | David M Beecroft | 365 | — | 8 | 2017-12-12 |
| 331 | Gary Lind | 363 | — | 5 | 2002-10-03 |
| 332 | Albin R Herbeck | 360 | — | 11 | 2005-08-29 |
| 333 | Wayne Holler | 357 | — | 7 | 2018-03-16 |
| 334 | Medary Drilling Co. | 355 | — | 9 | 2015-10-08 |
| 335 | Van DE Yacht Bill Water Well And | 353 | — | 9 | 1991-03-01 |
| 336 | Wettstein Robert | 350 | — | 6 | 1990-12-01 |
| 337 | Jon A Rush | 345 | — | 9 | 1998-11-07 |
| 338 | Slager Larry J | 339 | — | 11 | 1991-02-20 |
| 339 | Komarek SR, Ronald A | 338 | — | 13 | 2019-06-10 |
| 340 | Thomas J Wilton | 337 | — | 2 | 2007-04-23 |
| 341 | Richard E Berkholtz | 337 | — | 12 | 2005-09-26 |
| 342 | Olson Bros Well Drilling Co. Inc. | 332 | — | 12 | 2001-12-05 |
| 343 | John J Hatfield | 329 | — | 5 | 2014-08-26 |
| 344 | Gary C Beecroft | 327 | — | 2 | 2017-10-31 |
| 345 | Bertram Junemann WD Inc. | 323 | — | 6 | 1992-01-30 |
| 346 | Koeppel Philip J | 321 | — | 6 | 1992-05-15 |
| 347 | Gehring Lance Well Drilling Ser | 319 | — | 3 | 2005-06-17 |
| 348 | Robert Petrick | 317 | — | 6 | 2001-10-25 |
| 349 | Euclide, Mark E | 314 | — | 2 | 2021-10-11 |
| 350 | Ray R Bowling | 307 | — | 9 | 2007-12-03 |
| 351 | Kenneth J Krizan | 304 | — | 8 | 2018-03-11 |
| 352 | Noble F Jones | 303 | — | 10 | 1997-01-13 |
| 353 | Ditter Well Drilling Inc. | 303 | — | 9 | 1991-11-15 |
| 354 | Willems JR Leonard | 299 | — | 5 | 1991-02-11 |
| 355 | John A Holt | 298 | — | 6 | 2018-01-18 |
| 356 | Michael J Jakubowski | 296 | — | 6 | 2011-10-04 |
| 357 | Jeffery A Faherty | 294 | — | 8 | 2013-07-08 |
| 358 | Raymond J Ludwig | 294 | — | 11 | 1997-11-21 |
| 359 | Pepper R Craft | 293 | — | 6 | 2008-11-10 |
| 360 | Jerry D Knutson | 293 | — | 3 | 2003-10-10 |
| 361 | Martell Steve Pumps And WD Inc. | 289 | — | 5 | 1991-03-25 |
| 362 | Tipler Well @ Pump | 288 | — | 12 | 1994-03-22 |
| 363 | Donald F Karnosh | 287 | — | 4 | 2017-10-25 |
| 364 | D @ D Drilling Co. Inc. | 285 | — | 7 | 1998-09-18 |
| 365 | James C Lindstrom | 284 | — | 6 | 1998-11-14 |
| 366 | Clarence Beecroft | 282 | — | 9 | 2005-09-20 |
| 367 | Rick Brandl | 280 | — | 5 | 2009-03-06 |
| 368 | Daryl Butch Gibour | 277 | — | 8 | 1996-04-18 |
| 369 | Lahr Well Drlg & Pump Serv Inc. | 276 | — | 11 | 2005-12-28 |
| 370 | Dillenburg Daniel | 276 | — | 9 | 1990-12-28 |
| 371 | Govert Walter And Leon | 264 | — | 5 | 1991-03-20 |
| 372 | Donald D Kirschbaum | 262 | — | 6 | 2007-12-17 |
| 373 | Pelke Glen Plbg Htg @ Well Drlg | 261 | — | 10 | 1998-10-22 |
| 374 | Stenerson Karl I | 260 | — | 10 | 2020-11-20 |
| 375 | Farago Plbg @ Trenching Inc. | 256 | — | 7 | 1998-10-26 |
| 376 | ED Niffenegger JR | 254 | — | 5 | 1995-05-15 |
| 377 | Hintz Larry D | 254 | — | 6 | 2018-09-18 |
| 378 | Gross E E Well Drilling Inc. | 252 | — | 3 | 2007-01-19 |
| 379 | Kenneth D Boyce | 252 | — | 4 | 2018-01-17 |
| 380 | Maurice Johnson | 251 | — | 4 | 1997-03-05 |
| 381 | Dennis R Lefeber | 241 | — | 9 | 2001-06-20 |
| 382 | May L L Well Drilling Co. Inc. | 238 | — | 9 | 2012-05-31 |
| 383 | Robert C Kouba | 237 | — | 10 | 2002-07-09 |
| 384 | Christopher Lindstrom | 232 | — | 4 | 2005-11-17 |
| 385 | Terrence Beckley | 231 | — | 5 | 1995-01-30 |
| 386 | Gohlke William J | 229 | — | 2 | 1992-05-27 |
| 387 | Erwin W Fritsch | 226 | — | 2 | 2001-02-27 |
| 388 | Paul E Carlson | 225 | — | 4 | 2017-11-30 |
| 389 | Lloyd J Lefeber | 225 | — | 8 | 2017-12-07 |
| 390 | Roth Well Drillling | 224 | — | 7 | 2018-11-02 |
| 391 | Jelinek David C | 224 | — | 7 | 1992-05-18 |
| 392 | Layne Christensen Company | 222 | — | 38 | 2016-08-30 |
| 393 | Niffenegger Well @ Pump Inc. | 220 | — | 7 | 1998-10-12 |
| 394 | Duane Baltz | 218 | — | 1 | 1983-05-18 |
| 395 | Young Bernard | 217 | — | 8 | 1992-06-08 |
| 396 | Cheney James E | 214 | — | 4 | 1992-01-23 |
| 397 | John D Zouski | 214 | — | 8 | 2013-10-28 |
| 398 | Butterfield Roscoe C | 214 | — | 7 | 1992-04-29 |
| 399 | Orval Komarek | 212 | — | 2 | 1978-07-10 |
| 400 | Thomas J Rutherford | 211 | — | 8 | 2001-09-30 |
| 401 | Joe Farago | 210 | — | 8 | 2003-08-22 |
| 402 | Roth Plumbing @ Well Drilling | 208 | — | 5 | 1998-11-01 |
| 403 | John D Dillenburg | 208 | — | 8 | 2010-10-21 |
| 404 | Bryan G Kozikowski | 208 | — | 4 | 2017-09-08 |
| 405 | D And D Drilling Company Inc. | 207 | — | 8 | 2002-01-24 |
| 406 | Robert Webster - Rhinelander Well Drilling | 207 | — | 2 | 1986-05-29 |
| 407 | Olson Daniel B | 206 | — | 6 | 1992-06-02 |
| 408 | Todd G Roos | 205 | — | 6 | 2018-03-09 |
| 409 | Albin Vogel | 204 | — | 6 | 2001-11-24 |
| 410 | Vern Peak | 202 | — | 7 | 1993-12-14 |
| 411 | David C Jelinek | 200 | — | 8 | 1994-08-06 |
| 412 | Brant C Beecroft | 200 | — | 4 | 2017-11-02 |
| 413 | James A Wilcox | 198 | — | 9 | 2011-08-25 |
| 414 | Jim Parkhurst JR | 196 | — | 5 | 2000-09-09 |
| 415 | Hornung James A | 194 | — | 3 | 1991-07-12 |
| 416 | Phillips James R | 193 | — | 7 | 1992-06-01 |
| 417 | Heeg Brian | 190 | — | 6 | 1992-12-26 |
| 418 | Ronald Komarek | 188 | — | 2 | 1987-12-03 |
| 419 | Beinborn Michael D | 186 | — | 10 | 1990-04-30 |
| 420 | Pelke Plbg And Htg Inc. | 185 | — | 10 | 1991-03-25 |
| 421 | Jerome Wojtkiewicz | 183 | — | 8 | 1994-11-04 |
| 422 | Berkholtz Richard | 182 | — | 10 | 1992-06-01 |
| 423 | Bryan Kozikowski | 182 | — | 6 | 2003-08-07 |
| 424 | A. J. Hetzel | 182 | — | 1 | 1972-12-02 |
| 425 | Klemme Bros Well @ Pump Inc. | 180 | — | 5 | 1998-10-17 |
| 426 | Edwin A Kalsto | 178 | — | 3 | 1995-12-29 |
| 427 | Richard L Umland | 176 | — | 7 | 2018-03-22 |
| 428 | Welch Ethan A | 176 | — | 8 | 1992-06-01 |
| 429 | Michael O Johnson | 175 | — | 5 | 2016-08-19 |
| 430 | Neal D Loehrke | 172 | — | 7 | 2016-10-18 |
| 431 | Jeffrey J Rutherford | 172 | — | 4 | 2018-01-19 |
| 432 | Hoyer Brothers Welldrilling Inc. | 170 | — | 4 | 1991-11-20 |
| 433 | Anthony Prem | 170 | — | 5 | 2003-07-12 |
| 434 | Rush & Sons Well Drilling LLC | 169 | — | 6 | 2002-01-31 |
| 435 | Daniel B Olson | 169 | — | 7 | 1997-02-19 |
| 436 | Nelsons Plbg @ Elec Inc. | 165 | — | 6 | 1998-10-02 |
| 437 | Roth Plbg & Well Drlg | 164 | — | 5 | 2011-11-02 |
| 438 | Kramer Well Drillinginc | 162 | — | 8 | 1989-05-26 |
| 439 | George E Gaffke | 161 | — | 3 | 2008-07-17 |
| 440 | Robert S Eddy | 161 | — | 9 | 1995-10-31 |
| 441 | Beecroft Daniel J | 161 | — | 4 | 1992-05-28 |
| 442 | William Arnold JR | 161 | — | 1 | 2017-10-25 |
| 443 | Tipler Well And Pump | 159 | — | 14 | 1991-01-15 |
| 444 | Floyd Davis | 158 | — | 6 | 2010-09-21 |
| 445 | Allen E Smith | 157 | — | 4 | 2005-07-05 |
| 446 | Jones Noble F | 157 | — | 10 | 1992-05-05 |
| 447 | Stanley Johnson | 155 | — | 6 | 2003-08-07 |
| 448 | Thomas C Fisher | 155 | — | 12 | 2000-10-25 |
| 449 | Kenneth Gregorich | 155 | — | 6 | 2008-12-03 |
| 450 | Carl F Schultz | 154 | — | 7 | 1994-10-07 |
| 451 | Timothy William Harnois | 152 | — | 8 | 2004-12-14 |
| 452 | Beckley Terrence | 152 | — | 4 | 1992-05-29 |
| 453 | Gerald L Cooper | 151 | — | 7 | 2017-09-08 |
| 454 | T & T Well Drilling | 150 | — | 5 | 2020-06-04 |
| 455 | C T W Corp | 149 | — | 33 | 2020-05-11 |
| 456 | Robert J Rodamaker | 148 | — | 10 | 2017-01-30 |
| 457 | D & D Well Drilling Corp | 148 | — | 8 | 2005-12-09 |
| 458 | Quinnell's Quality Septics Inc. | 148 | — | 5 | 2016-03-22 |
| 459 | Lang Roger D | 147 | — | 3 | 2021-02-03 |
| 460 | Harmon Finley | 146 | — | 3 | 1992-01-31 |
| 461 | Glenn E H @ Sons Inc. | 144 | — | 1 | 1998-10-14 |
| 462 | Alan F. Lang - Alan Lang Well & Pump, Inc. | 142 | — | 1 | 1981-08-13 |
| 463 | Drews Edward J | 140 | — | 5 | 2019-08-21 |
| 464 | Wgnhs/G. Kraft | 138 | — | 1 | 1987-11-01 |
| 465 | Herbeck Albin R | 136 | — | 8 | 1992-06-09 |
| 466 | Haupt Sylvester R | 136 | — | 10 | 1998-10-21 |
| 467 | Mccullough David L | 136 | — | 6 | 1992-06-03 |
| 468 | John C Smith | 133 | — | 4 | 2006-04-25 |
| 469 | Jorns Erwin | 130 | — | 1 | 1990-11-15 |
| 470 | Peak Vern | 128 | — | 11 | 1992-06-08 |
| 471 | Bergh Contractor Inc. | 126 | — | 7 | 1997-05-02 |
| 472 | James H Groth | 124 | — | 6 | 2016-03-29 |
| 473 | Keifenheim Howard E | 124 | — | 7 | 1991-02-19 |
| 474 | Morin@Johnson Well Drilling | 124 | — | 4 | 1998-09-02 |
| 475 | Lahr Patrick J | 123 | — | 9 | 1992-04-29 |
| 476 | Dean A Kirschbaum | 123 | — | 6 | 2006-11-24 |
| 477 | Paul F Kuck | 123 | — | 6 | 2014-03-21 |
| 478 | Kelly Oium Well Drilling Inc. | 123 | — | 12 | 2015-07-21 |
| 479 | Gary A Olson | 123 | — | 5 | 2006-09-18 |
| 480 | Robert W Kent | 123 | — | 5 | 2017-11-17 |
| 481 | Marshall Terry L | 122 | — | 6 | 1992-05-29 |
| 482 | Schultz Carl F | 121 | — | 7 | 1992-05-20 |
| 483 | Joe B. Fischer | 119 | — | 1 | 1972-09-28 |
| 484 | Webster Hardware Hank Inc. | 119 | — | 2 | 2004-04-26 |
| 485 | Donald Herbeck | 118 | — | 11 | 2003-07-28 |
| 486 | Artesian Well & Pump Co. | 118 | — | 9 | 2003-02-23 |
| 487 | Stephen Lange | 117 | — | 3 | 2012-02-06 |
| 488 | Roth Plumbing & Well Drilling | 117 | — | 5 | 2002-10-11 |
| 489 | Brad Webster - Rhinelander Well Drilling | 117 | — | 2 | 1986-10-08 |
| 490 | James A Hornung SR | 116 | — | 3 | 1998-10-19 |
| 491 | Maurer Gene H | 115 | — | 5 | 1992-05-15 |
| 492 | Lindstrom James C | 115 | — | 5 | 1992-05-27 |
| 493 | Danecki, Richard L | 113 | — | 7 | 1992-05-13 |
| 494 | Roschi Bros Welldrlg And Pump IN | 113 | — | 7 | 1991-03-12 |
| 495 | William H. Smith | 113 | — | 1 | 1986-07-08 |
| 496 | Leonard Willems JR | 112 | — | 6 | 1992-01-07 |
| 497 | Bradley S Webster | 111 | — | 6 | 1999-09-28 |
| 498 | Young JR Raymond | 111 | — | 6 | 2019-05-16 |
| 499 | Butch Gibour | 109 | — | 8 | 2001-09-18 |
| 500 | Rush Robert L | 109 | — | 7 | 1990-12-09 |
| 501 | Water Wells Inc. | 108 | — | 10 | 2017-08-17 |
| 502 | Wayne Holly | 108 | — | 2 | 2017-09-30 |
| 503 | Glenn E H & Sons Inc. | 107 | — | 2 | 2009-06-16 |
| 504 | Patten's Well & Septic Pumping Serv | 107 | — | 3 | 2003-02-02 |
| 505 | Brad Webster & Sons Drilling | 105 | — | 4 | 2001-10-13 |
| 506 | Groth Howard H | 104 | — | 4 | 1992-03-17 |
| 507 | Werner J F | 101 | — | 5 | 1992-05-14 |
| 508 | Marvin Holzen | 101 | — | 4 | 1987-10-28 |
| 509 | Timothy D Dolata | 100 | — | 2 | 2005-07-18 |
| 510 | Larry J Slager | 99 | — | 8 | 1995-06-07 |
| 511 | Van DE Yacht Bill | 99 | — | 6 | 1988-12-22 |
| 512 | Johnson Maurice | 98 | — | 3 | 1992-03-23 |
| 513 | Beecroft Gary | 98 | — | 3 | 1992-05-12 |
| 514 | Olson Bros | 97 | — | 3 | 1990-08-01 |
| 515 | Rene Stimart - Rhinelander Well Drilling | 97 | — | 2 | 1987-02-23 |
| 516 | Froemel Well & Pump Repair Inc. | 97 | — | 4 | 2001-12-18 |
| 517 | Erwin Jorns | 96 | — | 1 | 1992-05-29 |
| 518 | Faherty Francis X | 96 | — | 6 | 1992-06-06 |
| 519 | Euclide Well Drilling | 96 | — | 3 | 2018-12-03 |
| 520 | Kenneth J Sweeney | 95 | — | 6 | 1993-12-30 |
| 521 | Donald A Herbeck | 95 | — | 10 | 2014-11-02 |
| 522 | Fritsch Erwin W | 94 | — | 2 | 1992-05-01 |
| 523 | Phillip Hastings | 92 | — | 3 | 2004-08-05 |
| 524 | Niffenegger ED JR | 92 | — | 4 | 1995-06-06 |
| 525 | L. Lawrence Kouba | 92 | — | 1 | 1978-06-03 |
| 526 | Nehls & Webster WD Inc. /Nokomis Div | 91 | — | 5 | 2009-08-24 |
| 527 | Arthur P Simac | 90 | — | 3 | 2005-05-13 |
| 528 | Art Hawalleck | 90 | — | 1 | 1970-09-26 |
| 529 | Allen D Tamm | 90 | — | 7 | 1999-12-10 |
| 530 | Tom Gustum | 90 | — | 3 | 2017-09-22 |
| 531 | David B Rock | 89 | — | 3 | 2010-05-26 |
| 532 | Kalsto Edwin A | 89 | — | 3 | 1992-06-01 |
| 533 | John D Krizan JR | 88 | — | 5 | 2003-08-19 |
| 534 | Barr Michael J | 88 | — | 4 | 1992-05-21 |
| 535 | Mark A Maurer | 88 | — | 6 | 2015-08-03 |
| 536 | Dmb Drilling Co. Inc. | 88 | — | 6 | 2002-02-28 |
| 537 | Gregory L Johnson | 88 | — | 2 | 1995-05-10 |
| 538 | Russell L Krizan | 87 | — | 5 | 2010-10-18 |
| 539 | Greenfield Edwin D | 87 | — | 6 | 1992-04-29 |
| 540 | William M Finch | 87 | — | 6 | 1999-05-15 |
| 541 | William J Hanser | 87 | — | 4 | 1994-04-14 |
| 542 | Johnson Michael | 86 | — | 4 | 1992-06-01 |
| 543 | Eric Schuette | 86 | — | 5 | 2004-03-15 |
| 544 | Robert Webster | 86 | — | 3 | 1977-04-23 |
| 545 | D. R. Mytton - Tork Well Drilling | 85 | — | 1 | 1985-10-17 |
| 546 | Bill Van DE Yacht | 84 | — | 10 | 1999-05-03 |
| 547 | James D Cheney | 84 | — | 5 | 2012-08-06 |
| 548 | Lysaker Well Drlg & Service LLC | 84 | — | 3 | 2006-03-31 |
| 549 | Ronald Komarek - Komarek Well | 84 | — | 2 | 1987-11-15 |
| 550 | Aqua Well @ Pump Systems Inc. | 83 | — | 9 | 1998-10-15 |
| 551 | Kuck Frederick F | 83 | — | 4 | 1991-02-06 |
| 552 | George Brunner | 83 | — | 3 | 1973-09-12 |
| 553 | Wickhams Water Service Inc. | 82 | — | 2 | 1995-12-20 |
| 554 | Ray E Foster | 81 | — | 2 | 2006-05-18 |
| 555 | Hubert J. Lang - Lang Well Drilling Co. | 81 | — | 1 | 1979-09-25 |
| 556 | Michael W Sheets | 80 | — | 3 | 2004-04-20 |
| 557 | Rickard Dean E | 80 | — | 4 | 1991-09-04 |
| 558 | Robert W Showers | 80 | — | 4 | 2003-12-04 |
| 559 | Travis A Butterfield | 80 | — | 7 | 2006-02-06 |
| 560 | Froemel Well @ Pump Repair Inc. | 80 | — | 3 | 1998-06-29 |
| 561 | Heim Ervin J | 79 | — | 4 | 1992-05-14 |
| 562 | Haupt | 77 | — | 5 | 1991-01-01 |
| 563 | Daniel Dillenburg | 77 | — | 8 | 1998-08-20 |
| 564 | Arthur (Butch) P Simac | 77 | — | 3 | 2014-05-29 |
| 565 | Faherty Drilling Company Inc. | 76 | — | 5 | 1989-08-15 |
| 566 | Brian Cox | 76 | — | 3 | 2002-01-03 |
| 567 | Beecroft Clarence | 76 | — | 5 | 1992-06-17 |
| 568 | Quinnells Septic And Well Ser IN | 75 | — | 4 | 1991-03-21 |
| 569 | Jeff Hatfield | 75 | — | 10 | 2003-03-03 |
| 570 | Duane Frauenkron | 74 | — | 5 | 1998-03-18 |
| 571 | Karnosh Donald | 74 | — | 5 | 1992-06-01 |
| 572 | Gibour Daryl Butch | 73 | — | 4 | 1992-06-09 |
| 573 | Aqua Industries Inc. | 73 | — | 6 | 1991-07-10 |
| 574 | Edwin Lefeber | 73 | — | 8 | 1997-11-25 |
| 575 | Kevin J Powell | 73 | — | 4 | 2018-02-27 |
| 576 | James Hornung - Hornung Well & Pump Co. | 73 | — | 1 | 1987-11-16 |
| 577 | Rodney J Reichhoff | 72 | — | 6 | 2018-04-24 |
| 578 | Laverne Welsch | 72 | — | 2 | 1984-09-11 |
| 579 | Kenneth E Heim | 72 | — | 2 | 2005-07-29 |
| 580 | Robert Wettstein | 72 | — | 6 | 1990-11-26 |
| 581 | Bruce Sampson | 72 | — | 4 | 2017-09-16 |
| 582 | Hanser William J | 71 | — | 3 | 1992-04-23 |
| 583 | Kliss Quik Service Inc. | 71 | — | 2 | 2005-09-28 |
| 584 | Patrick Bentley | 69 | — | 4 | 2008-03-14 |
| 585 | Chets Plbg @ Htg Inc. | 69 | — | 2 | 1998-07-15 |
| 586 | Hornung JR, James | 69 | — | 7 | 2021-08-10 |
| 587 | Johnson Gregory L | 69 | — | 2 | 1992-05-31 |
| 588 | Van DE Yacht, Bill Wtr Well @ SP | 68 | — | 6 | 1992-06-09 |
| 589 | Municipal Well @ Pump Inc. | 68 | — | 9 | 1998-08-15 |
| 590 | Rudys Contracting Inc. | 68 | — | 9 | 1999-09-03 |
| 591 | Peter Laskowski | 68 | — | 4 | 2017-09-08 |
| 592 | Water Well Specialists | 68 | — | 7 | 1996-12-23 |
| 593 | Jeffrey J Nisleit | 68 | — | 2 | 2016-08-17 |
| 594 | Tony Prem | 66 | — | 2 | 1987-12-09 |
| 595 | Baumel Septic And Well Service | 66 | — | 4 | 1990-11-15 |
| 596 | Howard H Groth | 65 | — | 3 | 2003-06-25 |
| 597 | Valley Well Drilling Inc. | 65 | — | 6 | 1991-08-03 |
| 598 | Mcafee Well Drilling | 64 | — | 2 | 1993-05-17 |
| 599 | Larry C Cox | 64 | — | 2 | 2015-11-23 |
| 600 | Romitti JR Peter | 64 | — | 3 | 1992-05-04 |
| 601 | Vogel Albin | 63 | — | 6 | 1992-04-29 |
| 602 | William Heinlein | 63 | — | 2 | 1962-10-18 |
| 603 | Butterfield Thomas G | 63 | — | 5 | 2005-10-31 |
| 604 | Burgarino Emanuel | 62 | — | 4 | 1991-12-15 |
| 605 | Charlies Pumps And WD Inc. | 61 | — | 4 | 1990-12-21 |
| 606 | Beecroft Roger | 61 | — | 5 | 1992-05-20 |
| 607 | Hartman, Steve | 60 | — | 7 | 1992-01-23 |
| 608 | Morse Richard | 59 | — | 5 | 1992-06-03 |
| 609 | Kleiman Pump And Welldrilling IN | 58 | — | 2 | 1991-05-28 |
| 610 | Walker Karl M | 58 | — | 5 | 1991-10-18 |
| 611 | Byron R. Hacker | 58 | — | 1 | 1982-09-03 |
| 612 | Jenks Larry L | 58 | — | 5 | 1992-05-21 |
| 613 | Wettstein Michael J | 58 | — | 3 | 1992-04-15 |
| 614 | Wranik Thomas F Well Drilling Inc. | 58 | — | 3 | 2020-10-06 |
| 615 | Sumner Fogle | 55 | — | 1 | 1958-10-27 |
| 616 | Kenneth W Beecroft | 54 | — | 4 | 1999-06-16 |
| 617 | Oines, Roy E | 54 | — | 5 | 1992-06-04 |
| 618 | Paul H Webster | 54 | — | 10 | 2002-05-02 |
| 619 | Noth Well Drilling | 54 | — | 3 | 1998-12-12 |
| 620 | Jorns, Harvey | 54 | — | 2 | 2011-06-01 |
| 621 | T Tim Olson | 54 | — | 3 | 2014-07-01 |
| 622 | Eddy Robert S | 53 | — | 5 | 1992-06-04 |
| 623 | Stauffer Richard H | 53 | — | 3 | 1989-10-10 |
| 624 | H. S. Hetzel | 53 | — | 1 | 1965-10-27 |
| 625 | Kranz ED | 52 | — | 3 | 1990-12-10 |
| 626 | Stuhr Randy C | 52 | — | 5 | 2018-12-12 |
| 627 | Lysaker, Eric | 52 | — | 4 | 2020-02-25 |
| 628 | Webber JR William G | 51 | — | 3 | 1990-12-14 |
| 629 | Roos Thomas D | 51 | — | 4 | 1992-05-28 |
| 630 | Duane E Frauenkron | 51 | — | 3 | 2002-07-01 |
| 631 | James L Dietzman | 50 | — | 3 | 1995-06-27 |
| 632 | Don O'connor | 50 | — | 3 | 1969-05-09 |
| 633 | Albin Herbeck | 50 | — | 2 | 1987-01-13 |
| 634 | Wells BY Welch - Rotary Division | 50 | — | 7 | 2008-01-16 |
| 635 | Gary L Klemme | 49 | — | 5 | 2012-11-09 |
| 636 | Aaa Quality Well Drlg Inc. | 49 | — | 8 | 2001-10-16 |
| 637 | Petrick Robert | 49 | — | 4 | 1990-10-04 |
| 638 | Lefeber Dennis R | 48 | — | 5 | 1992-05-14 |
| 639 | Kliss Plbg Htg & Septic Serv Inc. | 48 | — | 2 | 2002-02-13 |
| 640 | Farago Plumbing @ Trenching Inc. | 47 | — | 6 | 1992-12-14 |
| 641 | Leonard K Maves | 47 | — | 2 | 1993-11-01 |
| 642 | Terrence Beckley - Nokomis Well & Pump | 47 | — | 1 | 1987-11-07 |
| 643 | John A Gabriel | 47 | — | 4 | 2000-04-19 |
| 644 | Roschi Bros Welldrlg @ Pump Inc. | 46 | — | 4 | 1991-12-16 |
| 645 | Michael D Beinborn | 46 | — | 8 | 1993-04-28 |
| 646 | Umland Richard L | 46 | — | 7 | 2021-04-30 |
| 647 | Aaa Qual WD/Div WE Trking Hillsboro | 46 | — | 10 | 2002-09-29 |
| 648 | Art Hawalleck Byron Hacker | 46 | — | 1 | 1970-09-01 |
| 649 | Joseph Farago | 45 | — | 5 | 2017-09-20 |
| 650 | Ronald Komarek - Komarek Well Drilling | 45 | — | 2 | 1987-12-04 |
| 651 | Farago Joe | 44 | — | 7 | 1992-06-10 |
| 652 | Maves Leonard K | 44 | — | 1 | 1990-04-17 |
| 653 | Rock Johnson | 43 | — | 6 | 2006-08-14 |
| 654 | Smith William J | 43 | — | 5 | 1992-05-04 |
| 655 | Howard E Keifenheim | 43 | — | 6 | 1991-08-20 |
| 656 | Wells BY Welch | 43 | — | 6 | 2007-02-01 |
| 657 | Wettstein | 43 | — | 3 | 1988-08-01 |
| 658 | David J Binz | 42 | — | 3 | 2017-02-01 |
| 659 | ED Kranz | 42 | — | 6 | 2002-01-01 |
| 660 | Watermaker Well Drilling | 42 | — | 4 | 2009-03-22 |
| 661 | Brian K. Holzen | 42 | — | 1 | 1984-12-17 |
| 662 | Chell Ronald J And Rodney L | 42 | — | 2 | 1991-01-21 |
| 663 | Davis David | 42 | — | 4 | 1990-11-15 |
| 664 | Beecroft Jeremy Well Drlg& Pump Rep | 42 | — | 5 | 2016-05-18 |
| 665 | Geneva Water Systems Inc. | 41 | — | 2 | 1998-06-29 |
| 666 | Lavern Welsch | 41 | — | 1 | 1984-11-18 |
| 667 | Fred F. Haugh | 41 | — | 1 | 1959-12-24 |
| 668 | Stephan D Keifenheim | 41 | — | 7 | 1992-01-22 |
| 669 | D. R. Mytton - Miller Well & Pump Co. | 41 | — | 2 | 1976-10-13 |
| 670 | Kirschbaum Donald C | 40 | — | 5 | 1992-05-27 |
| 671 | Dr. John Harkin, UW-Dept. OF Soil Science | 40 | — | 5 | — |
| 672 | Euclide Harold A | 40 | — | 3 | 1989-12-14 |
| 673 | Lang | 40 | — | 3 | 1988-07-25 |
| 674 | William G Walker | 40 | — | 1 | 2005-07-26 |
| 675 | Terry Tim Olson | 40 | — | 2 | 1994-10-25 |
| 676 | William Holt | 40 | — | 1 | 1964-01-24 |
| 677 | Lance Gehring Well Drlng Service | 39 | — | 4 | 2001-12-19 |
| 678 | William Mande | 39 | — | 3 | 2003-11-11 |
| 679 | Brian Schmitz | 39 | — | 4 | 2005-10-19 |
| 680 | Baumel Septic @ Well Service | 39 | — | 3 | 1991-11-11 |
| 681 | Vetter Water Systems | 39 | — | 4 | 2001-02-05 |
| 682 | William Vetter | 39 | — | 4 | 2020-08-20 |
| 683 | Lyle C Sullivan | 39 | — | 4 | 1995-10-26 |
| 684 | Willmarth Larry L | 39 | — | 3 | 1992-05-08 |
| 685 | Ron Komarek | 39 | — | 3 | 1987-10-20 |
| 686 | Hanser Well & Pump LLC | 39 | — | 4 | 2021-05-26 |
| 687 | Larry T Elfmann | 38 | — | 2 | 1994-08-24 |
| 688 | Wilton Thomas J | 38 | — | 1 | 1992-05-05 |
| 689 | Robert Demerath | 38 | — | 3 | 1979-07-18 |
| 690 | Foster Ray E | 38 | — | 2 | 1990-05-29 |
| 691 | Hatfield John J | 38 | — | 5 | 1990-12-19 |
| 692 | Ron Komarek - Komarek Well | 38 | — | 1 | 1987-12-17 |
| 693 | Charles Wade Martin | 37 | — | 3 | 2017-12-13 |
| 694 | Arthur Hawalleck | 37 | — | 1 | 1958-05-17 |
| 695 | Johnson Stanley | 37 | — | 3 | 1990-11-06 |
| 696 | Komarek | 37 | — | 1 | 1987-05-01 |
| 697 | Daryl Neuens | 36 | — | 2 | 1994-11-07 |
| 698 | Norman Weber | 36 | — | 2 | 1976-04-24 |
| 699 | Alan F. Lang | 36 | — | 1 | 1976-08-15 |
| 700 | Alan Lang - Alan Lang Well & Pump, Inc. | 36 | — | 1 | 1981-05-15 |
| 701 | David Frank Gehring | 35 | — | 2 | 2001-10-06 |
| 702 | William G Webber JR | 35 | — | 3 | 1991-11-18 |
| 703 | Marvin Holzem | 35 | — | 6 | 2000-01-07 |
| 704 | Holler Norman | 35 | — | 4 | 1991-12-01 |
| 705 | Quinnells Septic And Well Ser Inc. | 35 | — | 3 | 1989-08-01 |
| 706 | Wallace Paque | 35 | — | 1 | 1951-02-01 |
| 707 | Bradley Webster - Rhinelander Well Drilling | 35 | — | 2 | 1985-02-05 |
| 708 | Louis G Sievert | 34 | — | 4 | 1998-11-28 |
| 709 | Prem Anthony | 34 | — | 5 | 1992-02-19 |
| 710 | Irvin Dehler | 34 | — | 1 | 1948-05-15 |
| 711 | David S Foster | 34 | — | 2 | 2008-09-10 |
| 712 | Quinnells Septic @ Well Ser IN | 34 | — | 3 | 1991-08-12 |
| 713 | Virgil Schaffner JR | 34 | — | 2 | 2011-04-14 |
| 714 | Brunner | 34 | — | 3 | 1994-01-01 |
| 715 | Daniel Behm | 34 | — | 1 | 1966-09-15 |
| 716 | Beach Pump @ Well Service Inc. | 33 | — | 2 | 1998-07-13 |
| 717 | Arthur James Liebau | 33 | — | 4 | 2018-01-25 |
| 718 | Davis Floyd | 33 | — | 5 | 1992-01-03 |
| 719 | Romitti, Jereme | 33 | — | 4 | 2020-09-22 |
| 720 | V. Kenneth Brown | 32 | — | 1 | 1987-11-17 |
| 721 | A & M Plumbing & Pump Service LLC | 32 | — | 2 | 2020-05-06 |
| 722 | Eron&gee/Hermans Plbg & Htg Inc. | 32 | — | 4 | 2020-07-31 |
| 723 | C & H Sprinklers & Landscaping | 32 | — | 4 | 2009-06-10 |
| 724 | Mike Peak | 32 | — | 3 | 1997-12-04 |
| 725 | Don Baltz | 32 | — | 1 | 1980-11-13 |
| 726 | William L. Webster | 32 | — | 2 | 1984-06-13 |
| 727 | Sullivan Lyle C | 31 | — | 5 | 1992-05-04 |
| 728 | Chris Brunner | 31 | — | 2 | 1943-11-01 |
| 729 | Layne Northwest Company | 30 | — | 15 | 2000-06-30 |
| 730 | Hornung Well Drlg LLC | 30 | — | 4 | 2020-10-10 |
| 731 | Thomas L Schultz | 30 | — | 3 | 2005-10-01 |
| 732 | Johnson Hubert R | 30 | — | 2 | 1990-12-19 |
| 733 | Kenneth Dama | 30 | — | 3 | 2017-02-28 |
| 734 | Milton H Long | 30 | — | 1 | 1993-12-03 |
| 735 | Frank E Kranz | 29 | — | 1 | 2018-01-05 |
| 736 | Woolsey Plbg & Htg Inc. | 29 | — | 3 | 2020-08-03 |
| 737 | Ron Komarek - Komarek Well Drilling | 29 | — | 1 | 1987-10-09 |
| 738 | John H Hoyer | 29 | — | 4 | 2006-09-19 |
| 739 | Howard Hetzel | 29 | — | 1 | 1967-07-24 |
| 740 | Martin Well Drlg LLC | 29 | — | 4 | 2006-12-27 |
| 741 | Huemann T Well & Pump Inc. | 28 | — | 4 | 2010-05-21 |
| 742 | Anhalt Well & Pump | 28 | — | 7 | 2002-01-30 |
| 743 | Dolata Excavating @ Well | 28 | — | 1 | 1995-11-15 |
| 744 | Daniel Rahn | 28 | — | 1 | 1987-05-27 |
| 745 | Frank L Schroeder | 28 | — | 4 | 2013-07-10 |
| 746 | Roger D. Lang - Lang Well Drilling Co. | 28 | — | 1 | 1987-10-28 |
| 747 | Gibour Well @ Pump | 27 | — | 5 | 1998-10-22 |
| 748 | Harold Euclide | 27 | — | 3 | 1992-11-24 |
| 749 | Robert Froemel | 27 | — | 4 | 1995-06-12 |
| 750 | UW-Soil Science | 26 | — | 1 | 1991-04-22 |
| 751 | Werner, Jim | 26 | — | 1 | 1983-05-20 |
| 752 | Layne Western Co. Inc. | 26 | — | 8 | 1992-09-30 |
| 753 | Jim Parkhurst Sr. | 26 | — | 1 | 1970-04-25 |
| 754 | Salefsky Wayne W | 26 | — | 4 | 1992-04-23 |
| 755 | Robert Lehr | 26 | — | 2 | 1995-08-21 |
| 756 | Elmer L Kramer | 26 | — | 3 | 1998-10-19 |
| 757 | Fred E Swanson JR | 26 | — | 2 | 2015-11-03 |
| 758 | Alpha Drilling Service | 26 | — | 4 | 2005-08-30 |
| 759 | Ben Tork | 26 | — | 2 | 1978-12-30 |
| 760 | Thom J Rutherford | 26 | — | 4 | 2017-12-13 |
| 761 | Thomas Schultz | 25 | — | 2 | 2001-09-26 |
| 762 | Hubert R Johnson | 25 | — | 3 | 1990-12-13 |
| 763 | Sam Vander Galien | 25 | — | 2 | 1987-10-05 |
| 764 | Stay Green Sprinkler Sys | 25 | — | 3 | 2014-08-05 |
| 765 | Euclide, Harold | 25 | — | 1 | 1987-07-24 |
| 766 | Geiger Gerald V | 25 | — | 4 | 1990-10-01 |
| 767 | A-1 Key Plbg Services LLC | 25 | — | 1 | 2011-06-29 |
| 768 | William Heinlein & Sons | 25 | — | 1 | 1959-10-21 |
| 769 | William L Figura | 25 | — | 1 | 1965-02-18 |
Best well drillers by county
County-level rankings — who actually drills where, by wells on record.
- Adams County (129)
- Ashland County (52)
- Barron County (110)
- Bayfield County (65)
- Brown County (68)
- Buffalo County (67)
- Burnett County (97)
- Calumet County (58)
- Chippewa County (89)
- Clark County (76)
- Columbia County (78)
- Crawford County (42)
- Dane County (99)
- Dodge County (86)
- Door County (36)
- Douglas County (74)
- Dunn County (75)
- Eau Claire County (69)
- Florence County (50)
- Fond Du Lac County (66)
- Forest County (77)
- Grant County (42)
- Green County (40)
- Green Lake County (56)
- Iowa County (44)
- Iron County (54)
- Jackson County (89)
- Jefferson County (103)
- Juneau County (123)
- Kenosha County (104)
- Kewaunee County (41)
- La Crosse County (78)
- Lafayette County (26)
- Langlade County (69)
- Lincoln County (106)
- Manitowoc County (60)
- Marathon County (110)
- Marinette County (74)
- Marquette County (98)
- Menominee County (29)
- Milwaukee County (69)
- Monroe County (87)
- Oconto County (78)
- Oneida County (97)
- Outagamie County (69)
- Ozaukee County (84)
- Pepin County (32)
- Pierce County (47)
- Polk County (87)
- Portage County (120)
- Price County (80)
- Racine County (106)
- Richland County (59)
- Rock County (66)
- Rusk County (72)
- Sauk County (111)
- Sawyer County (109)
- Shawano County (83)
- Sheboygan County (67)
- St. Croix County (59)
- Taylor County (44)
- Trempealeau County (92)
- Vernon County (71)
- Vilas County (88)
- Walworth County (124)
- Washburn County (101)
- Washington County (102)
- Waukesha County (122)
- Waupaca County (98)
- Waushara County (127)
- Winnebago County (65)
- Wood County (101)
Is this your drilling company?
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