⟁ Montana Well Data field records · 2026 survey

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Best well drillers in Carbon County, Montana

Not a pay-to-play list: these are the 78 drilling companies with wells on record in Carbon County, ranked by wells actually drilled here — 5,710 logged wells in Montana Bureau of Mines and Geology Ground Water Information Center (GWIC) (records as of 2026-10-02). Every number links back to the public record.

78companies on record
28active since 2022
5,710wells in county record
#CompanyIn Carbon Co. since 2016All-time in countyStatewide
1 Aaqua Drilling Inc. 845 2,414 5,299
2 Douglas Drilling 159 795 1,061
3 American Drilling & Supply 43 200 3,881
4 Bertram Drilling Inc. 36 57 774
5 A-1 Drilling 36 37 387
6 MT Dept OF Transportation 17 102 5,869
7 Olympus Technical Services 13 13 178
8 Sharp Drilling Inc. 8 14 772
9 Gary Mayes Drilling Inc. 4 18 389
10 Okeefe Drilling Co. 3 9 8,889
11 Gary's Drilling Inc. 3 3 267
12 Pro Pump & Equipment Inc. 2 154 1,338
13 Haz Tech Drilling Inc. 2 55 2,139
14 Bridger Drilling Inc. 2 2 2,385
15 Water System Drilling Inc. 1 2 30
16 406 Water Wells, LLC 1 1 232
17 B & H — 694 1,341
18 Rock Creek Drilling Inc. — 436 977
19 B & H Drilling — 178 613
20 A-1 Drilling/Billings Drilling — 45 804
21 H2o Well Service Inc. — 45 54
22 Mayes Drilling Inc. — 39 1,142
23 H & H Drilling — 33 1,084
24 Haugan — 33 59
25 Kal — 31 115
26 Pierce — 31 64
27 Stillwater — 24 72
28 Dept OF Transportation — 20 527
29 Digger Drilling — 19 725
30 Davis Drilling — 18 385
31 L & D — 18 63
32 Billings — 17 367
33 Kal Well Service — 16 134
34 Beven Drilling — 15 332
35 Mckeehan — 11 45
36 Pickett — 6 347
37 Lloyd — 6 130
38 Boland Drilling — 5 1,815
39 Kelly Drilling — 5 153
40 Anderson Drilling — 5 1,057
41 Billings Drilling — 5 895
42 Briggs Drilling — 5 381
43 Sando — 5 62
44 Johnson — 4 658
45 Debuff Drilling — 4 443
46 Terracon — 4 122
47 L & D Drilling — 4 76
48 Stillwater Drilling — 4 26
49 Hansen Environmental Drilling — 3 1,197
50 Hunt Drilling — 3 627
51 Hickel & Tooke Drilling Co. — 3 569
52 Kornec — 3 135
53 Senger — 3 33
54 Billmayer Drilling — 2 3,232
55 Maxim Technologies — 2 491
56 Western — 2 202
57 Schmidt — 2 114
58 50/50 Drilling — 2 103
59 P And K — 2 90
60 Northern Pacific Railway — 2 63
61 Aqua Drilling And Pump — 2 40
62 Adt — 2 25
63 Potts Drilling Inc. — 1 3,854
64 Aaaa Water Well Drilling Inc. — 1 776
65 Vidic Drilling Inc. — 1 1,065
66 Petrie Pump & Drilling — 1 621
67 Environmental West Exploration — 1 329
68 MT Bureau OF Mines & Geology — 1 620
69 Hillman Drilling — 1 2,321
70 Martin Well Drilling — 1 1,451
71 Mark Adair Drilling — 1 844
72 Advanced Well Drilling Inc. — 1 811
73 B And B Drilling — 1 435
74 Bailey And Okeefe Drilling Co. — 1 82
75 Little Horn — 1 65
76 MT Dept OF Highways — 1 55
77 Big Flo Drilling — 1 45
78 Lewis — 1 39

Ranked by wells drilled in Carbon 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 Carbon County?

Aaqua Drilling Inc. has drilled the most Carbon County wells in the recent record — 845 since 2016, 2,414 in the county all-time.

How many well drilling companies work in Carbon County?

78 companies in the GWIC record have drilled wells in Carbon 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 Carbon County?

The median drilled depth in Carbon County is 58 ft, based on 6,489 recorded wells. Depths, water levels, and yields are on the Carbon County wells page.

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

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