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Best well drillers in Big Horn County, Montana
Not a pay-to-play list: these are the 98 drilling companies with wells
on record in Big Horn County, ranked by wells actually drilled here — 2,321 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.
98companies on record
38active since 2022
2,321wells in county record
| # | Company | In Big Horn Co. since 2016 | All-time in county | Statewide |
| 1 | American Drilling & Supply | 59 | 243 | 3,867 |
| 2 | Gary's Drilling Inc. | 40 | 45 | 261 |
| 3 | Bertram Drilling Inc. | 24 | 34 | 748 |
| 4 | Haz Tech Drilling Inc. | 17 | 67 | 2,135 |
| 5 | Askin Drilling | 13 | 62 | 5,092 |
| 6 | Higgins Drilling Company | 13 | 36 | 953 |
| 7 | A-1 Drilling | 11 | 16 | 387 |
| 8 | Wwc Engineering | 10 | 31 | 52 |
| 9 | Pioneer Technical Services Inc. | 9 | 9 | 204 |
| 10 | Olympus Technical Services | 9 | 9 | 175 |
| 11 | MT Dept OF Transportation | 8 | 92 | 5,869 |
| 12 | Gary Mayes Drilling Inc. | 7 | 40 | 386 |
| 13 | H & H Drilling | 5 | 65 | 1,083 |
| 14 | Mayes Drilling Inc. | 5 | 33 | 1,139 |
| 15 | Douglas Drilling | 4 | 25 | 1,060 |
| 16 | WW Drilling | 4 | 4 | 88 |
| 17 | Holt Services Inc. | 3 | 3 | 50 |
| 18 | Thomas, Dean, And Hoskins, Inc. | 3 | 3 | 74 |
| 19 | Montana Highway Dept. | 3 | 3 | 370 |
| 20 | Western Water Wells | 2 | 2 | 1,146 |
| 21 | West Central Environmental Consultants | 2 | 2 | 291 |
| 22 | Aaqua Drilling Inc. | 1 | 52 | 5,240 |
| 23 | SK Geotechnical Co. | 1 | 12 | 434 |
| 24 | Clayton Larson | 1 | 5 | 111 |
| 25 | Agri Industries Inc. | 1 | 1 | 1,429 |
| 26 | Big Horn Drilling | — | 343 | 418 |
| 27 | Kiewit | — | 116 | 117 |
| 28 | Redstone | — | 82 | 82 |
| 29 | Ronald L Askin Drilling | — | 60 | 825 |
| 30 | Mhd | — | 60 | 91 |
| 31 | Pro Pump & Equipment Inc. | — | 57 | 1,338 |
| 32 | Sunrise Drilling Inc. | — | 57 | 392 |
| 33 | Little Horn | — | 55 | 65 |
| 34 | Kiewit Sons | — | 54 | 54 |
| 35 | Pks | — | 42 | 42 |
| 36 | Kme | — | 37 | 37 |
| 37 | Gordon Drilling Inc. | — | 33 | 1,128 |
| 38 | Woelich Drilling | — | 33 | 88 |
| 39 | Corveau Drilling | — | 32 | 141 |
| 40 | MT Bureau OF Mines & Geology | — | 30 | 620 |
| 41 | Maxim Technologies | — | 29 | 491 |
| 42 | Y-Environmental | — | 24 | 94 |
| 43 | Rock Creek Drilling Inc. | — | 21 | 977 |
| 44 | Jones | — | 18 | 642 |
| 45 | Davis Drilling | — | 17 | 385 |
| 46 | MT Dept OF Highways | — | 15 | 55 |
| 47 | Dept OF Transportation | — | 14 | 527 |
| 48 | Western Water Works Inc. | — | 13 | 1,205 |
| 49 | Hansen Environmental Drilling | — | 11 | 1,195 |
| 50 | Drane Drilling Service | — | 11 | 702 |
| 51 | United States Geological Survey | — | 11 | 28 |
| 52 | A-1 Drilling/Billings Drilling | — | 9 | 804 |
| 53 | Western Drilling Co. | — | 9 | 229 |
| 54 | Western | — | 9 | 202 |
| 55 | Van Dyken Drilling Inc. | — | 8 | 5,564 |
| 56 | B & H | — | 8 | 1,341 |
| 57 | Kelly Drilling | — | 7 | 153 |
| 58 | Weber | — | 7 | 954 |
| 59 | Higgins Drillng Company | — | 7 | 538 |
| 60 | Billings | — | 7 | 367 |
| 61 | 50/50 Drilling | — | 7 | 103 |
| 62 | Central Drilling Inc. | — | 4 | 1,101 |
| 63 | Digger Drilling | — | 4 | 725 |
| 64 | Usgs | — | 4 | 102 |
| 65 | Jones Welding & Drilling Co. | — | 4 | 50 |
| 66 | Red Tiger Drilling | — | 3 | 3,139 |
| 67 | Hillman Drilling | — | 3 | 2,321 |
| 68 | Anderson Drilling | — | 3 | 1,057 |
| 69 | Johnson | — | 3 | 658 |
| 70 | Pickett | — | 3 | 347 |
| 71 | Chen-Northern, Inc. | — | 3 | 205 |
| 72 | Teton Drilling | — | 3 | 68 |
| 73 | Sando | — | 3 | 62 |
| 74 | John Wheaton | — | 3 | 44 |
| 75 | Okeefe Drilling Co. | — | 2 | 8,849 |
| 76 | Sharp Drilling Inc. | — | 2 | 772 |
| 77 | Lloyd | — | 2 | 130 |
| 78 | Barrus Drilling And Pump Co. | — | 2 | 109 |
| 79 | L & D | — | 2 | 63 |
| 80 | Briant | — | 2 | 45 |
| 81 | Bray | — | 2 | 30 |
| 82 | AK Drilling Inc. | — | 1 | 1,288 |
| 83 | North West Drilling | — | 1 | 209 |
| 84 | Vidic Drilling Inc. | — | 1 | 1,062 |
| 85 | Hydrometrics Inc. | — | 1 | 194 |
| 86 | Billings Drilling | — | 1 | 895 |
| 87 | Hunt Drilling | — | 1 | 627 |
| 88 | Debuff Drilling | — | 1 | 443 |
| 89 | Parsons Drilling | — | 1 | 417 |
| 90 | Krass Drilling & Pump Service | — | 1 | 263 |
| 91 | Joe Johnson Drilling | — | 1 | 126 |
| 92 | M & R Drilling | — | 1 | 63 |
| 93 | Haugan | — | 1 | 59 |
| 94 | Big Flo Drilling | — | 1 | 45 |
| 95 | Mckeehan | — | 1 | 45 |
| 96 | Parker | — | 1 | 33 |
| 97 | Harlan Jones Drilling | — | 1 | 30 |
| 98 | Matheson | — | 1 | 26 |
Ranked by wells drilled in Big Horn 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 Big Horn County?
American Drilling & Supply has drilled the most Big Horn County wells in the recent record — 59 since 2016, 243 in the county all-time.
How many well drilling companies work in Big Horn County?
98 companies in the GWIC record have drilled wells in Big Horn County; 38 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 Big Horn County?
The median drilled depth in Big Horn County is 67 ft, based on 3,642 recorded wells. Depths, water levels, and yields are on the Big Horn County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on
the Big Horn County wells page.
Drill in Big Horn County?
If your company is on this list, your profile is free to claim — confirm your details and add your
contact information so Big Horn County property owners reach you directly.
Claim your profile Free to claim · built from GWIC public well-log records.