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Best well drillers in Dunn County, Wisconsin
Not a pay-to-play list: these are the 75 drilling companies with wells
on record in Dunn County, ranked by wells actually drilled here — 5,643 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.
75companies on record
25active since 2022
5,643wells in county record
| # | Company | In Dunn Co. since 2016 | All-time in county | Statewide |
|---|
| 1 | J & K Pump & Well Service | 220 | 220 | 570 |
| 2 | Pelke Plbg & Well Drlg Inc. | 161 | 410 | 1,997 |
| 3 | Midwest Well Drilling & Hydrofracking LLC | 150 | 150 | 1,452 |
| 4 | Fedie, Donald S | 136 | 136 | 723 |
| 5 | Olson Ken Well Drlg & Pump Ser Inc. | 91 | 186 | 2,219 |
| 6 | Dahl Well Drilling LLC | 87 | 262 | 722 |
| 7 | H2o Well Drilling & Pump Service | 69 | 119 | 1,054 |
| 8 | Oium, Kelly Well Drilling Inc. | 59 | 67 | 1,018 |
| 9 | Donald S Fedie | 31 | 610 | 3,661 |
| 10 | Hoyer Brothers Well Drilling Inc. | 27 | 37 | 2,697 |
| 11 | Aqua-Service Inc. | 25 | 122 | 3,198 |
| 12 | Butterfield, Tim Drilling Inc. | 13 | 49 | 2,128 |
| 13 | Sam's Well Drilling Inc. | 12 | 13 | 21,895 |
| 14 | Michael J Wettstein | 9 | 1,534 | 3,098 |
| 15 | Kramer Well Drilling Inc. | 9 | 150 | 7,044 |
| 16 | Midwest Hydrofracking LLC | 8 | 10 | 1,135 |
| 17 | Kelly Oium | 6 | 238 | 1,836 |
| 18 | Willmarth, Travis | 6 | 6 | 379 |
| 19 | Gustum, Tom | 6 | 6 | 26 |
| 20 | Hartert, Edward A | 4 | 4 | 173 |
| 21 | Pelke Glen Plbg Htg & Well Drlg Inc. | 2 | 118 | 871 |
| 22 | Edward A Hartert | 2 | 3 | 1,073 |
| 23 | Tim Butterfield Drilling Inc. | 2 | 2 | 589 |
| 24 | Steve's Well And Pump Services, LLC | 2 | 2 | 564 |
| 25 | Tom Gustum | 1 | 26 | 90 |
| 26 | Travis Willmarth | 1 | 14 | 966 |
| 27 | Roberts Irrigation Co. Inc. | 1 | 3 | 140 |
| 28 | Martell Well Drilling & Pump Repair Inc. | 1 | 1 | 344 |
| 29 | Fritz, Robert R | 1 | 1 | 45 |
| 30 | Pelke Plbg Htg @ Well Drlg Inc. | — | 268 | 887 |
| 31 | Pelke Plbg Htg & Well Drlg Inc. | — | 186 | 596 |
| 32 | Wettstein Robert | — | 145 | 350 |
| 33 | Christopher J Olson | — | 87 | 733 |
| 34 | Thomas C Fisher | — | 69 | 155 |
| 35 | Wettstein Michael J | — | 40 | 58 |
| 36 | Olson Bros Well Drilling Co. Inc. | — | 39 | 332 |
| 37 | Pelke Glen Plbg Htg @ Well Drlg | — | 29 | 261 |
| 38 | Robert Wettstein | — | 29 | 72 |
| 39 | Martell Steve Pumps & Well Drlg Inc. | — | 23 | 2,875 |
| 40 | Martell Steve Pumps @ Well Drlg | — | 20 | 1,456 |
| 41 | Olson Ken Well Drlg @ Pump Ser I | — | 20 | 537 |
| 42 | James A Wilcox | — | 20 | 198 |
| 43 | Pelke Plbg And Htg Inc. | — | 20 | 185 |
| 44 | Timothy L Butterfield | — | 18 | 723 |
| 45 | Kelly Oium Well Drilling Inc. | — | 15 | 123 |
| 46 | Aune Well Drilling Inc. | — | 13 | 1,131 |
| 47 | Kramer Well Drillinginc | — | 9 | 162 |
| 48 | Wettstein | — | 9 | 43 |
| 49 | D M B Drilling Co. Inc. | — | 8 | 1,341 |
| 50 | Bergh Contractor Inc. | — | 8 | 126 |
| 51 | Olson Bros | — | 8 | 97 |
| 52 | Peak Well Drilling LLC | — | 7 | 702 |
| 53 | Jerome Wojtkiewicz | — | 7 | 183 |
| 54 | Mccullough & Sons Inc. | — | 6 | 3,014 |
| 55 | Daniel B Olson | — | 6 | 169 |
| 56 | Jeff Hatfield | — | 6 | 75 |
| 57 | Mantyla Well Drilling Inc. | — | 5 | 1,739 |
| 58 | Roger E Beecroft | — | 3 | 696 |
| 59 | Heeg Well Drlg LLC | — | 2 | 842 |
| 60 | Jeremy R Beecroft | — | 2 | 574 |
| 61 | Martell Steve Pumps And WD Inc. | — | 2 | 289 |
| 62 | Daryl Butch Gibour | — | 2 | 277 |
| 63 | Haupt Well Drlg Inc. | — | 1 | 1,723 |
| 64 | All American Well & Pump | — | 1 | 890 |
| 65 | Butterfield Roscoe Well & Pump Inc. | — | 1 | 1,843 |
| 66 | Sylvester R Haupt | — | 1 | 1,031 |
| 67 | Mccullough @ Sons Inc. | — | 1 | 1,024 |
| 68 | David L Mccullough | — | 1 | 773 |
| 69 | Roger Beecroft | — | 1 | 653 |
| 70 | Clarence Beecroft | — | 1 | 282 |
| 71 | Paul E Carlson | — | 1 | 225 |
| 72 | Olson Daniel B | — | 1 | 206 |
| 73 | Schultz Carl F | — | 1 | 121 |
| 74 | Water Well Specialists | — | 1 | 68 |
| 75 | Aaa Qual WD/Div WE Trking Hillsboro | — | 1 | 46 |
Ranked by wells drilled in Dunn 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 Dunn County?
J & K Pump & Well Service has drilled the most Dunn County wells in the recent record — 220 since 2016, 220 in the county all-time.
How many well drilling companies work in Dunn County?
75 companies in the WI DNR record have drilled wells in Dunn 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 Dunn County?
The median drilled depth in Dunn County is 100 ft, based on 8,897 recorded wells. Depths, water levels, and yields are on the Dunn County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on
the Dunn County wells page.
Drill in Dunn County?
If your company is on this list, your profile is free to claim — confirm your details and add your
contact information so Dunn County property owners reach you directly.
Claim your profile Free to claim · built from WI DNR public well-log records.