⟁ Montana Well Data field records · 2026 survey

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Best well drillers in Sheridan County, Montana

Not a pay-to-play list: these are the 48 drilling companies with wells on record in Sheridan County, ranked by wells actually drilled here — 1,594 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.

48companies on record
18active since 2022
1,594wells in county record
#CompanyIn Sheridan Co. since 2016All-time in countyStatewide
1 Agri Industries Inc. 33 290 1,429
2 Dls Contracting 16 64 140
3 S & S Drilling 12 37 63
4 SK Geotechnical Co. 10 10 434
5 Montana Salinity Control Association 7 105 2,583
6 West Central Environmental Consultants 5 5 291
7 Aaqua Drilling Inc. 4 4 5,240
8 Haz Tech Drilling Inc. 3 22 2,135
9 Mbmg 3 4 30
10 MT Bureau OF Mines & Geology 2 109 620
11 Thermal Drill Inc. 2 9 465
12 Clayton Larson 2 4 111
13 Badger Drilling & Well Service LLC 2 2 44
14 Mark Adair Drilling 1 317 844
15 Hansen Environmental Drilling 1 37 1,195
16 Adair Drilling 1 24 45
17 Solid Waterwell Drilling 1 1 104
18 Western Drilling Co. — 108 229
19 MT Dept OF Transportation — 88 5,869
20 Carlson Drilling — 72 470
21 Berkholtz — 45 52
22 Carlson — 42 115
23 Western — 27 202
24 Anderson Drilling — 25 1,057
25 Scott Brown — 23 354
26 Jaha Drilling — 21 35
27 Boyce Drilling — 18 831
28 Peterson — 15 29
29 MT Salinity — 14 222
30 Layne-Minnesota — 8 39
31 Sharp Drilling Inc. — 6 772
32 Brown — 6 247
33 Russell — 5 80
34 Starz — 5 71
35 Askin Drilling — 3 5,092
36 E.c. Gendron — 3 45
37 Chrest — 3 25
38 Haggerty Drilling — 2 3,618
39 Whitmer & Sons Drilling — 2 72
40 Central Drilling Inc. — 1 1,101
41 Douglas Drilling — 1 1,060
42 Gordon Drilling Inc. — 1 1,128
43 Hickel & Tooke Drilling Co. — 1 569
44 Gendron — 1 330
45 Salsbury Well Drilling Inc. — 1 317
46 Weber Drilling — 1 44
47 Department OF Transportation — 1 35
48 Water System Drilling Inc. — 1 30

Ranked by wells drilled in Sheridan 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 Sheridan County?

Agri Industries Inc. has drilled the most Sheridan County wells in the recent record — 33 since 2016, 290 in the county all-time.

How many well drilling companies work in Sheridan County?

48 companies in the GWIC record have drilled wells in Sheridan County; 18 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 Sheridan County?

The median drilled depth in Sheridan County is 99 ft, based on 2,395 recorded wells. Depths, water levels, and yields are on the Sheridan County wells page.

Well depths, static water levels, tested yields, and drilling cost estimates for this county live on the Sheridan County wells page.

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