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Best well drillers in Granite County, Montana
Not a pay-to-play list: these are the 71 drilling companies with wells
on record in Granite County, ranked by wells actually drilled here — 2,062 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.
71companies on record
31active since 2022
2,062wells in county record
| # | Company | In Granite Co. since 2016 | All-time in county | Statewide |
| 1 | Okeefe Drilling Co. | 239 | 702 | 8,849 |
| 2 | Jeromes Drilling Co. | 95 | 283 | 6,463 |
| 3 | AK Drilling Inc. | 76 | 148 | 1,288 |
| 4 | Western Water Wells | 21 | 21 | 1,146 |
| 5 | Western Montana Drilling Co. | 15 | 15 | 721 |
| 6 | MT Dept OF Transportation | 13 | 39 | 5,869 |
| 7 | Aquasource Drilling LLC | 8 | 8 | 1,071 |
| 8 | Heimark Drilling | 8 | 8 | 30 |
| 9 | Parsons Drilling | 7 | 94 | 417 |
| 10 | Lindsay Drilling Co. Inc. | 7 | 92 | 6,738 |
| 11 | Blackfoot Well Drilling & Pump Service Inc. | 6 | 22 | 450 |
| 12 | Camp Well Drilling And Pump Service | 6 | 7 | 573 |
| 13 | Western Drilling Co. | 5 | 5 | 229 |
| 14 | Beck Drilling & Pump | 4 | 20 | 364 |
| 15 | West Central Environmental Consultants | 3 | 3 | 291 |
| 16 | Camp Well Drilling & Pump Supply | 2 | 56 | 855 |
| 17 | Eslinger Drilling & Pump Service | 2 | 6 | 4,560 |
| 18 | Aaaa Water Well Drilling Inc. | 2 | 2 | 769 |
| 19 | Montana Highway Dept. | 2 | 2 | 370 |
| 20 | Beyer Drilling | 1 | 18 | 44 |
| 21 | A-10 Drilling | 1 | 11 | 2,343 |
| 22 | H & L Drilling Inc. | 1 | 4 | 7,604 |
| 23 | Red Tiger Drilling | 1 | 4 | 3,139 |
| 24 | Coldwater Drilling And Pumps | 1 | 1 | 575 |
| 25 | Aqwa Drilling LLC | 1 | 1 | 1,897 |
| 26 | 406 Water Wells, LLC | 1 | 1 | 182 |
| 27 | Vidic Drilling Inc. | 1 | 1 | 1,062 |
| 28 | Excel Pump And Well Inc. | 1 | 1 | 99 |
| 29 | Yellow Jacket Drilling Services LLC | 1 | 1 | 72 |
| 30 | Brazill Drilling | — | 204 | 674 |
| 31 | Camp Well Drilling | — | 67 | 3,803 |
| 32 | Jerome And Okeefe Drilling Co. | — | 57 | 1,032 |
| 33 | Dynamite Drilling | — | 30 | 631 |
| 34 | C.k.c. Drilling | — | 11 | 47 |
| 35 | Liberty Drilling & Pump Co. | — | 10 | 2,646 |
| 36 | Preston Drilling | — | 10 | 1,000 |
| 37 | Wroble | — | 9 | 101 |
| 38 | Williams Well Drilling | — | 8 | 785 |
| 39 | Riddock | — | 8 | 51 |
| 40 | Pickett | — | 7 | 347 |
| 41 | Rainbow Well Drilling | — | 5 | 204 |
| 42 | Ckc | — | 5 | 482 |
| 43 | Callison Well Drilling | — | 4 | 693 |
| 44 | Kane Well Drilling & Pump Service | — | 4 | 1,551 |
| 45 | Kornec | — | 4 | 135 |
| 46 | Barrus Drilling And Pump Co. | — | 4 | 109 |
| 47 | Boland Drilling | — | 3 | 1,807 |
| 48 | Morelock | — | 3 | 130 |
| 49 | Diamond Core Drilling Inc. | — | 3 | 38 |
| 50 | Ravalli Drilling Inc. | — | 2 | 4,911 |
| 51 | Hillman Drilling | — | 2 | 2,321 |
| 52 | Briggs Drilling | — | 2 | 381 |
| 53 | Sander Drilling Company | — | 2 | 105 |
| 54 | Mahurin Drilling | — | 2 | 101 |
| 55 | Riddock Casing And Drilling | — | 2 | 91 |
| 56 | Beebe | — | 2 | 68 |
| 57 | Corvallis | — | 2 | 25 |
| 58 | Eagle Drilling And Pump Service | — | 1 | 830 |
| 59 | Billmayer Drilling | — | 1 | 3,225 |
| 60 | Bridger Drilling Inc. | — | 1 | 2,382 |
| 61 | MT Poverty Water Well Drilling | — | 1 | 408 |
| 62 | Martin Well Drilling | — | 1 | 1,451 |
| 63 | Western Water Works Inc. | — | 1 | 1,205 |
| 64 | Johnson | — | 1 | 658 |
| 65 | Jennings Drilling Co. | — | 1 | 248 |
| 66 | Pickens | — | 1 | 90 |
| 67 | Northern Pacific Railway | — | 1 | 63 |
| 68 | Callison Drilling Inc. | — | 1 | 62 |
| 69 | Ruen Core Drilling Inc. | — | 1 | 55 |
| 70 | Ulrich | — | 1 | 35 |
| 71 | Willison Well Drilling | — | 1 | 25 |
Ranked by wells drilled in Granite 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 Granite County?
Okeefe Drilling Co. has drilled the most Granite County wells in the recent record — 239 since 2016, 702 in the county all-time.
How many well drilling companies work in Granite County?
71 companies in the GWIC record have drilled wells in Granite County; 31 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 Granite County?
The median drilled depth in Granite County is 80 ft, based on 2,395 recorded wells. Depths, water levels, and yields are on the Granite County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on
the Granite County wells page.
Drill in Granite County?
If your company is on this list, your profile is free to claim — confirm your details and add your
contact information so Granite County property owners reach you directly.
Claim your profile Free to claim · built from GWIC public well-log records.