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Best well drillers in Manitowoc County, Wisconsin
Not a pay-to-play list: these are the 60 drilling companies with wells
on record in Manitowoc County, ranked by wells actually drilled here — 5,288 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.
60companies on record
11active since 2022
5,288wells in county record
| # | Company | In Manitowoc Co. since 2016 | All-time in county | Statewide |
| 1 | Ground Source Inc. | 481 | 601 | 2,237 |
| 2 | Hintzke Well Drilling Inc. | 89 | 93 | 4,365 |
| 3 | Van DE Yacht Leo Well Drilling Inc. | 81 | 155 | 8,998 |
| 4 | Wells BY Welch - Bentley WD LLC | 31 | 135 | 2,415 |
| 5 | Retzlaff & Gregorich | 22 | 64 | 1,098 |
| 6 | Hyink Well Drilling Inc. | 15 | 77 | 2,521 |
| 7 | Steffes, Daniel J | 15 | 15 | 1,151 |
| 8 | Luisier Well Drilling Inc. | 11 | 27 | 12,107 |
| 9 | Daniel J Steffes | 9 | 28 | 4,646 |
| 10 | Weslow Water Systems Inc. | 9 | 18 | 1,714 |
| 11 | Sam's Well Drilling Inc. | 4 | 5 | 21,895 |
| 12 | Roger Weber | — | 906 | 2,293 |
| 13 | Retzlaff Well Drilling Inc. | — | 697 | 2,917 |
| 14 | Van DE Yacht Bill Wtr Well & Specia | — | 599 | 3,200 |
| 15 | Stephen D Keifenheim | — | 357 | 724 |
| 16 | Van DE Yacht Bill Wtr Well @ Spe | — | 352 | 2,253 |
| 17 | Roger P Weber | — | 329 | 1,191 |
| 18 | Weber Roger | — | 203 | 387 |
| 19 | Willems Well Drilling Inc. | — | 195 | 2,117 |
| 20 | Willems JR Leonard | — | 54 | 299 |
| 21 | Van DE Yacht Bill Water Well And | — | 51 | 353 |
| 22 | Red Willems | — | 42 | 854 |
| 23 | Wagner Brothers Well Drilling IN | — | 29 | 2,207 |
| 24 | Wells BY Welch - Rotary Division | — | 26 | 50 |
| 25 | Wagner Brothers Well Drilling Inc. | — | 25 | 1,678 |
| 26 | Kenneth Gregorich | — | 25 | 155 |
| 27 | Tipler Well And Pump | — | 21 | 159 |
| 28 | Keifenheim Howard E | — | 18 | 124 |
| 29 | Van DE Yacht, Bill Wtr Well @ SP | — | 15 | 68 |
| 30 | Van DE Yacht Leo Well Drilling I | — | 12 | 2,287 |
| 31 | Leonard Willems JR | — | 12 | 112 |
| 32 | Stephan D Keifenheim | — | 12 | 41 |
| 33 | Bill Van DE Yacht | — | 9 | 84 |
| 34 | Dennis R Lefeber | — | 8 | 241 |
| 35 | Leo Van DE Yacht | — | 7 | 799 |
| 36 | Tipler Well @ Pump | — | 6 | 288 |
| 37 | Erwin W Fritsch | — | 6 | 226 |
| 38 | Tipler Well Drilling Inc. | — | 5 | 482 |
| 39 | Charlies Pumps @ Well Drilling I | — | 5 | 428 |
| 40 | Howard E Keifenheim | — | 5 | 43 |
| 41 | Van DE Yacht Leo | — | 4 | 716 |
| 42 | Ervin J Heim | — | 4 | 369 |
| 43 | Van DE Yacht Bill | — | 4 | 99 |
| 44 | Fritsch Erwin W | — | 3 | 94 |
| 45 | Norman Weber | — | 3 | 36 |
| 46 | T & T Well Drilling & Pump Service | — | 2 | 1,347 |
| 47 | Central Well Drilling LLC | — | 2 | 2,757 |
| 48 | Thomas A Schmidt | — | 2 | 977 |
| 49 | Charlies Pumps & Well Drilling Inc. | — | 2 | 926 |
| 50 | Heim Ervin J | — | 2 | 79 |
| 51 | Lefeber Dennis R | — | 2 | 48 |
| 52 | Sams Rotary Drillers Inc. | — | 1 | 12,103 |
| 53 | Karl I Stenerson | — | 1 | 1,361 |
| 54 | Schmidts Water Service | — | 1 | 897 |
| 55 | Gary Lind | — | 1 | 363 |
| 56 | May L L Well Drilling Co. Inc. | — | 1 | 238 |
| 57 | Allen D Tamm | — | 1 | 90 |
| 58 | Edwin Lefeber | — | 1 | 73 |
| 59 | Charlies Pumps And WD Inc. | — | 1 | 61 |
| 60 | Brian Schmitz | — | 1 | 39 |
Ranked by wells drilled in Manitowoc 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 Manitowoc County?
Ground Source Inc. has drilled the most Manitowoc County wells in the recent record — 481 since 2016, 601 in the county all-time.
How many well drilling companies work in Manitowoc County?
60 companies in the WI DNR record have drilled wells in Manitowoc County; 11 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 Manitowoc County?
The median drilled depth in Manitowoc County is 143 ft, based on 10,391 recorded wells. Depths, water levels, and yields are on the Manitowoc County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on
the Manitowoc County wells page.
Drill in Manitowoc County?
If your company is on this list, your profile is free to claim — confirm your details and add your
contact information so Manitowoc County property owners reach you directly.
Claim your profile Free to claim · built from WI DNR public well-log records.