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Best well drillers in Mineral County, Montana
Not a pay-to-play list: these are the 58 drilling companies with wells
on record in Mineral County, ranked by wells actually drilled here — 1,776 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.
58companies on record
28active since 2022
1,776wells in county record
| # | Company | In Mineral Co. since 2016 | All-time in county | Statewide |
|---|
| 1 | Callison Well Drilling | 85 | 303 | 693 |
| 2 | Camp Well Drilling And Pump Service | 84 | 89 | 573 |
| 3 | Jeromes Drilling Co. | 57 | 137 | 6,463 |
| 4 | Western Montana Drilling Co. | 38 | 38 | 721 |
| 5 | Camp Well Drilling & Pump Supply | 27 | 37 | 855 |
| 6 | Steve Berg Well Drilling | 17 | 25 | 29 |
| 7 | Ace Drilling | 11 | 18 | 939 |
| 8 | North Star Drilling Inc. | 8 | 8 | 222 |
| 9 | Okeefe Drilling Co. | 3 | 9 | 8,849 |
| 10 | Coldwater Drilling And Pumps | 3 | 3 | 575 |
| 11 | Eagle Drilling And Pump Service | 2 | 3 | 830 |
| 12 | Aqwa Drilling LLC | 2 | 2 | 1,897 |
| 13 | Lewis Drilling | 1 | 3 | 104 |
| 14 | Heimark Drilling | 1 | 1 | 30 |
| 15 | Mbmg | 1 | 1 | 30 |
| 16 | Kane Well Drilling & Pump Service | — | 584 | 1,551 |
| 17 | Dept OF Transportation | — | 148 | 527 |
| 18 | Camp Well Drilling | — | 88 | 3,803 |
| 19 | MT Dept OF Transportation | — | 75 | 5,869 |
| 20 | Spangler | — | 70 | 73 |
| 21 | Callison Drilling Inc. | — | 27 | 62 |
| 22 | Krass Drilling & Pump Service | — | 16 | 263 |
| 23 | Environmental West Exploration | — | 10 | 329 |
| 24 | Jerome And Okeefe Drilling Co. | — | 8 | 1,032 |
| 25 | Geotex | — | 7 | 31 |
| 26 | Spanglers Well Drilling | — | 6 | 29 |
| 27 | Maxim Technologies | — | 5 | 491 |
| 28 | Blackfoot Well Drilling & Pump Service Inc. | — | 4 | 450 |
| 29 | Higgins Drilling Company | — | 3 | 953 |
| 30 | Ravalli Drilling Inc. | — | 3 | 4,911 |
| 31 | Stinger Drilling | — | 3 | 127 |
| 32 | Hydrometrics Inc. | — | 3 | 194 |
| 33 | Ckc | — | 3 | 482 |
| 34 | Sommer | — | 3 | 131 |
| 35 | Mission | — | 3 | 106 |
| 36 | AK Drilling Inc. | — | 2 | 1,288 |
| 37 | Boland Drilling | — | 2 | 1,807 |
| 38 | Liberty Drilling & Pump Co. | — | 2 | 2,646 |
| 39 | Hillman Drilling | — | 2 | 2,321 |
| 40 | Williams Well Drilling | — | 2 | 785 |
| 41 | Carlson | — | 2 | 115 |
| 42 | MT Dept OF Highways | — | 2 | 55 |
| 43 | Eslinger Drilling & Pump Service | — | 1 | 4,560 |
| 44 | Billmayer Drilling | — | 1 | 3,225 |
| 45 | Allwest Drilling Inc. | — | 1 | 1,694 |
| 46 | Bridger Drilling Inc. | — | 1 | 2,382 |
| 47 | Glazier Drilling | — | 1 | 1,736 |
| 48 | Anderson Drilling | — | 1 | 1,057 |
| 49 | Madison Drilling & Pump Supply | — | 1 | 681 |
| 50 | Castlio Drilling | — | 1 | 645 |
| 51 | Thatcher Drilling Co. | — | 1 | 362 |
| 52 | Western | — | 1 | 202 |
| 53 | Smith Drilling | — | 1 | 120 |
| 54 | Taylor | — | 1 | 88 |
| 55 | Northern Pacific Railway | — | 1 | 63 |
| 56 | Nelson | — | 1 | 53 |
| 57 | Ckc Drilling | — | 1 | 42 |
| 58 | Olympus | — | 1 | 34 |
Ranked by wells drilled in Mineral 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 Mineral County?
Callison Well Drilling has drilled the most Mineral County wells in the recent record — 85 since 2016, 303 in the county all-time.
How many well drilling companies work in Mineral County?
58 companies in the GWIC record have drilled wells in Mineral 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 Mineral County?
The median drilled depth in Mineral County is 122 ft, based on 1,686 recorded wells. Depths, water levels, and yields are on the Mineral County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on
the Mineral County wells page.
Drill in Mineral County?
If your company is on this list, your profile is free to claim — confirm your details and add your
contact information so Mineral County property owners reach you directly.
Claim your profile Free to claim · built from GWIC public well-log records.