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Best well drillers in Judith Basin County, Montana
Not a pay-to-play list: these are the 59 drilling companies with wells
on record in Judith Basin County, ranked by wells actually drilled here — 1,121 logged
wells in Montana Bureau of Mines and Geology Ground Water Information Center (GWIC) (records as of 2026-08-24). Every number links back to
the public record.
59companies on record
30active since 2022
1,121wells in county record
| # | Company | In Judith Basin Co. since 2016 | All-time in county | Statewide |
|---|
| 1 | Central Drilling Inc. | 89 | 258 | 1,106 |
| 2 | Aquasource Drilling LLC | 22 | 24 | 1,084 |
| 3 | Singley Drilling | 10 | 85 | 836 |
| 4 | Haz Tech Drilling Inc. | 10 | 10 | 2,135 |
| 5 | Montana Salinity Control Association | 7 | 13 | 2,583 |
| 6 | Yellow Jacket Drilling Services LLC | 7 | 7 | 72 |
| 7 | Olympus Technical Services | 6 | 6 | 178 |
| 8 | Aaaa Water Well Drilling Inc. | 5 | 8 | 770 |
| 9 | 406 Water Wells, LLC | 5 | 5 | 198 |
| 10 | Boland Drilling | 4 | 23 | 1,814 |
| 11 | Hole World Consulting LLC | 4 | 4 | 43 |
| 12 | MT Dept OF Transportation | 3 | 120 | 5,869 |
| 13 | Potts Drilling Inc. | 1 | 4 | 3,842 |
| 14 | Pat Byrne Drilling Inc. | 1 | 4 | 441 |
| 15 | A-10 Drilling | 1 | 1 | 2,343 |
| 16 | Diamond M Drilling Inc. | 1 | 1 | 783 |
| 17 | Thatcher Drilling Co. | — | 200 | 362 |
| 18 | Murrays Well Service | — | 84 | 376 |
| 19 | Debuff Drilling | — | 71 | 443 |
| 20 | Jennings Drilling Co. | — | 38 | 248 |
| 21 | Poverty Drilling | — | 23 | 992 |
| 22 | Sure Water Drilling | — | 22 | 125 |
| 23 | Aquasource Inc. LLC | — | 16 | 497 |
| 24 | Thomas, Dean, And Hoskins, Inc. | — | 11 | 74 |
| 25 | Joe Pirrie Water Wells | — | 9 | 146 |
| 26 | Okeefe Drilling Co. | — | 6 | 8,856 |
| 27 | Byrne | — | 5 | 1,232 |
| 28 | Dept OF Transportation | — | 5 | 527 |
| 29 | Maxim Technologies | — | 5 | 491 |
| 30 | Jbr Environmental Consultants | — | 5 | 72 |
| 31 | Red Tiger Drilling | — | 4 | 3,149 |
| 32 | Corveau Drilling | — | 4 | 141 |
| 33 | Aqua Source | — | 3 | 117 |
| 34 | Four Star Drilling | — | 3 | 87 |
| 35 | Hunter | — | 3 | 26 |
| 36 | AK Drilling Inc. | — | 2 | 1,297 |
| 37 | Hansen Environmental Drilling | — | 2 | 1,195 |
| 38 | Mbmg | — | 2 | 30 |
| 39 | Pickett | — | 2 | 347 |
| 40 | Rafferty | — | 2 | 193 |
| 41 | Atlatl Inc. | — | 2 | 86 |
| 42 | Wellman & Munson Drilling | — | 2 | 36 |
| 43 | Askin Drilling | — | 1 | 5,106 |
| 44 | Lindsay Drilling Co. Inc. | — | 1 | 6,742 |
| 45 | H & H Drilling | — | 1 | 1,083 |
| 46 | Birchell Drilling | — | 1 | 1,046 |
| 47 | SK Geotechnical Co. | — | 1 | 434 |
| 48 | S & S Drilling | — | 1 | 63 |
| 49 | Martin Well Drilling | — | 1 | 1,451 |
| 50 | Gordon Drilling Inc. | — | 1 | 1,128 |
| 51 | MT-Poverty | — | 1 | 400 |
| 52 | Brown | — | 1 | 247 |
| 53 | Aqua | — | 1 | 189 |
| 54 | Franklin | — | 1 | 162 |
| 55 | Eastern Montana Drilling | — | 1 | 138 |
| 56 | 50/50 Drilling | — | 1 | 103 |
| 57 | Usgs | — | 1 | 102 |
| 58 | Pierce | — | 1 | 64 |
| 59 | MT Dept OF Highways | — | 1 | 55 |
Ranked by wells drilled in Judith Basin 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 Judith Basin County?
Central Drilling Inc. has drilled the most Judith Basin County wells in the recent record — 89 since 2016, 258 in the county all-time.
How many well drilling companies work in Judith Basin County?
59 companies in the GWIC record have drilled wells in Judith Basin County; 30 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 Judith Basin County?
The median drilled depth in Judith Basin County is 100 ft, based on 1,584 recorded wells. Depths, water levels, and yields are on the Judith Basin County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on
the Judith Basin County wells page.
Drill in Judith Basin County?
If your company is on this list, your profile is free to claim — confirm your details and add your
contact information so Judith Basin County property owners reach you directly.
Claim your profile Free to claim · built from GWIC public well-log records.