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Best well drillers in Carbon County, Montana
Not a pay-to-play list: these are the 78 drilling companies with wells
on record in Carbon County, ranked by wells actually drilled here — 5,675 logged
wells in Montana Bureau of Mines and Geology Ground Water Information Center (GWIC) (records as of 2026-07-27). Every number links back to
the public record.
78companies on record
28active since 2022
5,675wells in county record
| # | Company | In Carbon Co. since 2016 | All-time in county | Statewide |
|---|
| 1 | Aaqua Drilling Inc. | 815 | 2,384 | 5,240 |
| 2 | Douglas Drilling | 158 | 794 | 1,060 |
| 3 | American Drilling & Supply | 40 | 197 | 3,867 |
| 4 | A-1 Drilling | 36 | 37 | 387 |
| 5 | Bertram Drilling Inc. | 35 | 56 | 748 |
| 6 | MT Dept OF Transportation | 17 | 102 | 5,869 |
| 7 | Olympus Technical Services | 13 | 13 | 175 |
| 8 | Sharp Drilling Inc. | 8 | 14 | 772 |
| 9 | Gary Mayes Drilling Inc. | 4 | 18 | 386 |
| 10 | Okeefe Drilling Co. | 3 | 9 | 8,849 |
| 11 | Gary's Drilling Inc. | 3 | 3 | 261 |
| 12 | Pro Pump & Equipment Inc. | 2 | 154 | 1,338 |
| 13 | Haz Tech Drilling Inc. | 2 | 55 | 2,135 |
| 14 | Bridger Drilling Inc. | 2 | 2 | 2,382 |
| 15 | Water System Drilling Inc. | 1 | 2 | 30 |
| 16 | 406 Water Wells, LLC | 1 | 1 | 182 |
| 17 | B & H | — | 694 | 1,341 |
| 18 | Rock Creek Drilling Inc. | — | 436 | 977 |
| 19 | B & H Drilling | — | 178 | 613 |
| 20 | A-1 Drilling/Billings Drilling | — | 45 | 804 |
| 21 | H2o Well Service Inc. | — | 45 | 54 |
| 22 | Mayes Drilling Inc. | — | 39 | 1,139 |
| 23 | H & H Drilling | — | 33 | 1,083 |
| 24 | Haugan | — | 33 | 59 |
| 25 | Kal | — | 31 | 115 |
| 26 | Pierce | — | 31 | 64 |
| 27 | Stillwater | — | 24 | 72 |
| 28 | Dept OF Transportation | — | 20 | 527 |
| 29 | Digger Drilling | — | 19 | 725 |
| 30 | Davis Drilling | — | 18 | 385 |
| 31 | L & D | — | 18 | 63 |
| 32 | Billings | — | 17 | 367 |
| 33 | Kal Well Service | — | 16 | 134 |
| 34 | Beven Drilling | — | 15 | 332 |
| 35 | Mckeehan | — | 11 | 45 |
| 36 | Pickett | — | 6 | 347 |
| 37 | Lloyd | — | 6 | 130 |
| 38 | Boland Drilling | — | 5 | 1,807 |
| 39 | Kelly Drilling | — | 5 | 153 |
| 40 | Anderson Drilling | — | 5 | 1,057 |
| 41 | Billings Drilling | — | 5 | 895 |
| 42 | Briggs Drilling | — | 5 | 381 |
| 43 | Sando | — | 5 | 62 |
| 44 | Johnson | — | 4 | 658 |
| 45 | Debuff Drilling | — | 4 | 443 |
| 46 | Terracon | — | 4 | 122 |
| 47 | L & D Drilling | — | 4 | 76 |
| 48 | Stillwater Drilling | — | 4 | 26 |
| 49 | Hansen Environmental Drilling | — | 3 | 1,195 |
| 50 | Hunt Drilling | — | 3 | 627 |
| 51 | Hickel & Tooke Drilling Co. | — | 3 | 569 |
| 52 | Kornec | — | 3 | 135 |
| 53 | Senger | — | 3 | 33 |
| 54 | Billmayer Drilling | — | 2 | 3,225 |
| 55 | Maxim Technologies | — | 2 | 491 |
| 56 | Western | — | 2 | 202 |
| 57 | Schmidt | — | 2 | 114 |
| 58 | 50/50 Drilling | — | 2 | 103 |
| 59 | P And K | — | 2 | 90 |
| 60 | Northern Pacific Railway | — | 2 | 63 |
| 61 | Aqua Drilling And Pump | — | 2 | 40 |
| 62 | Adt | — | 2 | 25 |
| 63 | Potts Drilling Inc. | — | 1 | 3,839 |
| 64 | Aaaa Water Well Drilling Inc. | — | 1 | 769 |
| 65 | Vidic Drilling Inc. | — | 1 | 1,062 |
| 66 | Petrie Pump & Drilling | — | 1 | 621 |
| 67 | Environmental West Exploration | — | 1 | 329 |
| 68 | MT Bureau OF Mines & Geology | — | 1 | 620 |
| 69 | Hillman Drilling | — | 1 | 2,321 |
| 70 | Martin Well Drilling | — | 1 | 1,451 |
| 71 | Mark Adair Drilling | — | 1 | 844 |
| 72 | Advanced Well Drilling Inc. | — | 1 | 811 |
| 73 | B And B Drilling | — | 1 | 435 |
| 74 | Bailey And Okeefe Drilling Co. | — | 1 | 82 |
| 75 | Little Horn | — | 1 | 65 |
| 76 | MT Dept OF Highways | — | 1 | 55 |
| 77 | Big Flo Drilling | — | 1 | 45 |
| 78 | Lewis | — | 1 | 39 |
Ranked by wells drilled in Carbon County since 2016 (then all-time), from the full GWIC
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 Carbon County?
Aaqua Drilling Inc. has drilled the most Carbon County wells in the recent record — 815 since 2016, 2,384 in the county all-time.
How many well drilling companies work in Carbon County?
78 companies in the GWIC record have drilled wells in Carbon County; 28 of them have drilled somewhere in Montana since 2022. Smaller operators below the record threshold may also serve the area.
How deep is a typical well in Carbon County?
The median drilled depth in Carbon County is 58 ft, based on 6,458 recorded wells. Depths, water levels, and yields are on the Carbon County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on
the Carbon County wells page.
Drill in Carbon County?
If your company is on this list, your profile is free to claim — confirm your details and add your
contact information so Carbon County property owners reach you directly.
Claim your profile Free to claim · built from GWIC public well-log records.