⟁ Montana Well Data field records · 2026 survey

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Best well drillers in Carter County, Montana

Not a pay-to-play list: these are the 41 drilling companies with wells on record in Carter County, ranked by wells actually drilled here — 862 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.

41companies on record
14active since 2022
862wells in county record
#CompanyIn Carter Co. since 2016All-time in countyStatewide
1 Askin Drilling 122 374 5,108
2 Water System Drilling Inc. 19 21 30
3 WW Drilling LLC 13 14 96
4 Higgins Drilling Company 11 40 956
5 Hansen Environmental Drilling 6 9 1,197
6 Olympus Technical Services 4 4 178
7 Diamond M Drilling Inc. 2 2 795
8 MT Dept OF Transportation 1 15 5,869
9 Aaaa Water Well Drilling Inc. 1 1 776
10 Ronald L Askin Drilling — 73 825
11 Drane Drilling Service — 55 706
12 M & R Drilling — 54 63
13 Johnson — 32 658
14 Bandy — 32 146
15 Higgins Drillng Company — 21 538
16 Briant — 19 45
17 H & H Drilling — 12 1,084
18 Sharp Drilling Inc. — 11 772
19 Dept OF Transportation — 10 527
20 Department OF Transportation — 8 35
21 Atlatl Inc. — 7 86
22 Harlan Jones Drilling — 6 30
23 Lloyd — 5 130
24 Haz Tech Drilling Inc. — 4 2,139
25 Agri Industries Inc. — 4 1,429
26 Jennings Drilling Co. — 3 248
27 Joe Johnson Drilling — 3 126
28 Smith Drilling — 3 120
29 Hand — 3 63
30 American Drilling & Supply — 2 3,881
31 Boyce Drilling — 2 831
32 H & R — 2 211
33 Big Sky — 2 85
34 Starz — 2 71
35 Hillman Drilling — 1 2,321
36 Gordon Drilling Inc. — 1 1,128
37 Billings Drilling — 1 895
38 Williams Well Drilling — 1 785
39 B & H Drilling — 1 613
40 Layne-Minnesota — 1 39
41 Ron Askin — 1 31

Ranked by wells drilled in Carter 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 Carter County?

Askin Drilling has drilled the most Carter County wells in the recent record — 122 since 2016, 374 in the county all-time.

How many well drilling companies work in Carter County?

41 companies in the GWIC record have drilled wells in Carter County; 14 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 Carter County?

The median drilled depth in Carter County is 160 ft, based on 1,585 recorded wells. Depths, water levels, and yields are on the Carter County wells page.

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

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