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Best well drillers in Phillips County, Montana
Not a pay-to-play list: these are the 65 drilling companies with wells
on record in Phillips County, ranked by wells actually drilled here — 1,556 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.
65companies on record
31active since 2022
1,556wells in county record
| # | Company | In Phillips Co. since 2016 | All-time in county | Statewide |
|---|
| 1 | Haz Tech Drilling Inc. | 52 | 90 | 2,135 |
| 2 | Petrie Pump & Drilling | 39 | 290 | 621 |
| 3 | Jacobson Drilling | 35 | 63 | 606 |
| 4 | Hansen Environmental Drilling | 17 | 64 | 1,195 |
| 5 | Aquasource Drilling LLC | 16 | 16 | 1,071 |
| 6 | MT Dept OF Transportation | 8 | 191 | 5,869 |
| 7 | Hansen Drilling | 8 | 9 | 42 |
| 8 | Vidic Drilling Inc. | 5 | 7 | 1,062 |
| 9 | Hickel Drilling | 5 | 7 | 30 |
| 10 | Eaton Drilling Co. | 4 | 118 | 299 |
| 11 | Western Water Wells | 2 | 2 | 1,146 |
| 12 | Boland Drilling | 1 | 7 | 1,807 |
| 13 | West Central Environmental Consultants | 1 | 6 | 291 |
| 14 | Dept OF Transportation | 1 | 6 | 527 |
| 15 | Central Drilling Inc. | 1 | 2 | 1,101 |
| 16 | 406 Water Wells, LLC | 1 | 1 | 182 |
| 17 | HL Ventures LLC | 1 | 1 | 193 |
| 18 | Aquasource Inc. LLC | 1 | 1 | 497 |
| 19 | Simpson Drilling Co. | — | 195 | 354 |
| 20 | Hickel & Tooke Drilling Co. | — | 111 | 569 |
| 21 | Montana Salinity Control Association | — | 54 | 2,583 |
| 22 | Murrays Well Service | — | 35 | 376 |
| 23 | Lang Exploratory Drilling | — | 26 | 26 |
| 24 | H & H Drilling | — | 24 | 1,083 |
| 25 | Erickson Drilling & Pump Co. | — | 24 | 803 |
| 26 | Billmayer Drilling | — | 22 | 3,225 |
| 27 | Delta Engineering P.c. | — | 22 | 34 |
| 28 | SK Geotechnical Co. | — | 21 | 434 |
| 29 | HI-Line Drilling Inc. | — | 17 | 1,575 |
| 30 | Palm's Drilling | — | 16 | 128 |
| 31 | Agri Industries Inc. | — | 12 | 1,429 |
| 32 | Simpson | — | 8 | 124 |
| 33 | Sharp Drilling Inc. | — | 7 | 772 |
| 34 | Amec Geomatrix Inc. | — | 7 | 31 |
| 35 | Singley Drilling | — | 6 | 835 |
| 36 | Krass Drilling & Pump Service | — | 6 | 263 |
| 37 | Starz | — | 6 | 71 |
| 38 | Red Tiger Drilling | — | 4 | 3,139 |
| 39 | MT Bureau OF Mines & Geology | — | 4 | 620 |
| 40 | Debuff Drilling | — | 4 | 443 |
| 41 | B And B Drilling | — | 4 | 435 |
| 42 | Johnson Water Well Service | — | 4 | 275 |
| 43 | PC Exploration | — | 4 | 47 |
| 44 | Pickett | — | 3 | 347 |
| 45 | Tetra Tech | — | 3 | 137 |
| 46 | Minden Water Wells Inc. | — | 2 | 314 |
| 47 | Mark Adair Drilling | — | 2 | 844 |
| 48 | Jennings Drilling Co. | — | 2 | 248 |
| 49 | Joe Johnson Drilling | — | 2 | 126 |
| 50 | E.c. Gendron | — | 2 | 45 |
| 51 | MT Department OF Transportation | — | 2 | 29 |
| 52 | Okeefe Drilling Co. | — | 1 | 8,849 |
| 53 | Eslinger Drilling & Pump Service | — | 1 | 4,560 |
| 54 | American Drilling & Supply | — | 1 | 3,867 |
| 55 | Anderson Drilling | — | 1 | 1,057 |
| 56 | Digger Drilling | — | 1 | 725 |
| 57 | Salsbury Well Drilling Inc. | — | 1 | 317 |
| 58 | Esd Inc. | — | 1 | 284 |
| 59 | Brown | — | 1 | 247 |
| 60 | Clearwater Drilling | — | 1 | 146 |
| 61 | Gold Brick Drilling | — | 1 | 108 |
| 62 | Universal | — | 1 | 103 |
| 63 | Delta | — | 1 | 89 |
| 64 | Whitaker Well Drilling | — | 1 | 72 |
| 65 | Adkison | — | 1 | 51 |
Ranked by wells drilled in Phillips 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 Phillips County?
Haz Tech Drilling Inc. has drilled the most Phillips County wells in the recent record — 52 since 2016, 90 in the county all-time.
How many well drilling companies work in Phillips County?
65 companies in the GWIC record have drilled wells in Phillips 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 Phillips County?
The median drilled depth in Phillips County is 75 ft, based on 2,423 recorded wells. Depths, water levels, and yields are on the Phillips County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on
the Phillips County wells page.
Drill in Phillips County?
If your company is on this list, your profile is free to claim — confirm your details and add your
contact information so Phillips County property owners reach you directly.
Claim your profile Free to claim · built from GWIC public well-log records.