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Best well drillers in Oconto County, Wisconsin
Not a pay-to-play list: these are the 78 drilling companies with wells
on record in Oconto County, ranked by wells actually drilled here — 11,436 logged
wells in the Wisconsin Department of Natural Resources Groundwater Retrieval Network (GRN) well-construction records (records as of 2026-08-14). Every number links back to
the public record.
78companies on record
25active since 2022
11,436wells in county record
| # | Company | In Oconto Co. since 2016 | All-time in county | Statewide |
| 1 | Luisier Well Drilling Inc. | 644 | 4,022 | 12,107 |
| 2 | Van DE Yacht Leo Well Drilling Inc. | 625 | 1,803 | 8,998 |
| 3 | T & T Well Drilling & Pump Service | 262 | 701 | 1,347 |
| 4 | Weslow Water Systems Inc. | 244 | 494 | 1,714 |
| 5 | Young, Raymond JR | 64 | 64 | 144 |
| 6 | Cooper, Gerald L | 43 | 43 | 98 |
| 7 | Ground Source Inc. | 40 | 59 | 2,237 |
| 8 | Drill Baby Drill LLC | 40 | 40 | 179 |
| 9 | Shawano Well Drilling Inc. | 35 | 104 | 3,990 |
| 10 | Raymond Young JR | 34 | 1,023 | 1,853 |
| 11 | Hintzke Well Drilling Inc. | 30 | 32 | 4,365 |
| 12 | Arneson Well Drilling LLC | 26 | 26 | 159 |
| 13 | Lloyd J Lefeber | 16 | 193 | 225 |
| 14 | Young JR Raymond | 15 | 53 | 111 |
| 15 | Gerald L Cooper | 10 | 92 | 151 |
| 16 | Dama Plbg & Htg Inc. | 10 | 11 | 32 |
| 17 | Maiden Lake Plumbing LLC | 9 | 10 | 27 |
| 18 | Retzlaff & Gregorich | 6 | 7 | 1,098 |
| 19 | Kenneth Dama | 4 | 9 | 30 |
| 20 | Rhinelander Well Drilling Inc. | 2 | 7 | 5,196 |
| 21 | Drews Well Drilling Inc. | 2 | 2 | 1,162 |
| 22 | Nehls & Webster Well Drilling | 1 | 4 | 2,122 |
| 23 | C T W Corp | 1 | 4 | 149 |
| 24 | Wells BY Welch - Bentley WD LLC | 1 | 1 | 2,415 |
| 25 | Dj's Water Service | 1 | 1 | 1,216 |
| 26 | Jenks, Timothy J | 1 | 1 | 380 |
| 27 | Kozikowski Well & Pump Inc. | 1 | 1 | 63 |
| 28 | Roberts Irrigation Co. Inc. | 1 | 1 | 140 |
| 29 | Kenneth J Krizan | 1 | 1 | 304 |
| 30 | Bryan G Kozikowski | 1 | 1 | 208 |
| 31 | Jeffrey J Nisleit | 1 | 1 | 68 |
| 32 | Bernard Young | — | 575 | 849 |
| 33 | Van DE Yacht Leo Well Drilling I | — | 392 | 2,287 |
| 34 | Tipler Well Drilling Inc. | — | 268 | 482 |
| 35 | Young Bernard | — | 164 | 217 |
| 36 | Van DE Yacht Bill Wtr Well & Specia | — | 155 | 3,200 |
| 37 | Van DE Yacht Bill Wtr Well @ Spe | — | 132 | 2,253 |
| 38 | Tipler Well @ Pump | — | 122 | 288 |
| 39 | Leo Van DE Yacht | — | 101 | 799 |
| 40 | Van DE Yacht Leo | — | 101 | 716 |
| 41 | Noble F Jones | — | 76 | 303 |
| 42 | T & T Well Drilling | — | 76 | 150 |
| 43 | Timothy William Harnois | — | 70 | 152 |
| 44 | Edwin Lefeber | — | 59 | 73 |
| 45 | Tipler Well And Pump | — | 57 | 159 |
| 46 | Jones Noble F | — | 51 | 157 |
| 47 | Allen D Tamm | — | 49 | 90 |
| 48 | Retzlaff Well Drilling Inc. | — | 36 | 2,917 |
| 49 | Van DE Yacht Bill Water Well And | — | 21 | 353 |
| 50 | Geiger Gerald V | — | 20 | 25 |
| 51 | Thomas A Schmidt | — | 13 | 977 |
| 52 | Bill Van DE Yacht | — | 12 | 84 |
| 53 | Douglas J Morin | — | 11 | 1,041 |
| 54 | Willems Well Drilling Inc. | — | 9 | 2,117 |
| 55 | Van DE Yacht Bill | — | 9 | 99 |
| 56 | Koeppel Phil Well Drlg LLC | — | 8 | 1,621 |
| 57 | Kleiman Pump & Well Drilling Inc. | — | 7 | 962 |
| 58 | Van DE Yacht, Bill Wtr Well @ SP | — | 6 | 68 |
| 59 | Philip J Koeppel | — | 3 | 1,316 |
| 60 | Dillenburg Daniel | — | 2 | 276 |
| 61 | Bryan Kozikowski | — | 2 | 182 |
| 62 | Gregory L Johnson | — | 2 | 88 |
| 63 | Brunner Well Drilling LLC | — | 1 | 1,060 |
| 64 | Schafer R J & Sons Inc. | — | 1 | 1,896 |
| 65 | William D Brunner | — | 1 | 3,124 |
| 66 | Jesse W Brunner | — | 1 | 2,585 |
| 67 | Mark E Euclide | — | 1 | 2,397 |
| 68 | Roger P Weber | — | 1 | 1,191 |
| 69 | Charlies Pumps & Well Drilling Inc. | — | 1 | 926 |
| 70 | Schmidts Water Service | — | 1 | 897 |
| 71 | Charlies Pumps @ Well Drilling I | — | 1 | 428 |
| 72 | Ervin J Heim | — | 1 | 369 |
| 73 | Koeppel Philip J | — | 1 | 321 |
| 74 | Maurice Johnson | — | 1 | 251 |
| 75 | Berkholtz Richard | — | 1 | 182 |
| 76 | Morin@Johnson Well Drilling | — | 1 | 124 |
| 77 | Daniel Dillenburg | — | 1 | 77 |
| 78 | Johnson Gregory L | — | 1 | 69 |
Ranked by wells drilled in Oconto County since 2016 (then all-time), from the full WI DNR
record. A ★ marks a featured sponsor — sponsors must appear in the county record to be listed, and
the ranking below them is never reordered.
Who drills the most wells in Oconto County?
Luisier Well Drilling Inc. has drilled the most Oconto County wells in the recent record — 644 since 2016, 4,022 in the county all-time.
How many well drilling companies work in Oconto County?
78 companies in the WI DNR record have drilled wells in Oconto County; 25 of them have drilled somewhere in Wisconsin since 2022. Smaller operators below the record threshold may also serve the area.
How deep is a typical well in Oconto County?
The median drilled depth in Oconto County is 104 ft, based on 15,981 recorded wells. Depths, water levels, and yields are on the Oconto County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on
the Oconto County wells page.
Drill in Oconto County?
If your company is on this list, your profile is free to claim — confirm your details and add your
contact information so Oconto County property owners reach you directly.
Claim your profile Free to claim · built from WI DNR public well-log records.