Montana Well Data field records · 2026 survey

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Best well drillers in Sanders County, Montana

Not a pay-to-play list: these are the 103 drilling companies with wells on record in Sanders County, ranked by wells actually drilled here — 4,210 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.

103companies on record
42active since 2022
4,210wells in county record
#CompanyIn Sanders Co. since 2016All-time in countyStatewide
1 North Star Drilling Inc. 201 201 222
2 Callison Well Drilling 144 219 693
3 Universal Drilling 128 167 1,147
4 OH Well Drilling And Pump 66 69 878
5 Camp Well Drilling And Pump Service 61 67 573
6 Ace Drilling 50 112 939
7 Coldwater Drilling And Pumps 50 50 575
8 Cyclone Drilling Inc. 33 364 650
9 MT Dept OF Transportation 23 205 5,869
10 Allwest Drilling Inc. 23 129 1,694
11 Camp Well Drilling & Pump Supply 21 26 855
12 Okeefe Drilling Co. 15 51 8,849
13 AK Drilling Inc. 15 17 1,288
14 Olympus Technical Services 12 13 175
15 Western Montana Drilling Co. 11 11 721
16 Jeromes Drilling Co. 10 128 6,463
17 Lewis Drilling 10 99 104
18 S & S Well Drilling, LLC 9 9 118
19 North West Drilling 7 7 209
20 Excel Drilling 7 7 42
21 Environmental West Exploration 6 12 329
22 RM Drilling And Well Services 5 5 369
23 Boland Drilling 4 6 1,807
24 H2o Well Service Inc. 2 6 54
25 West Central Environmental Consultants 2 2 291
26 Chambers Drilling Company 1 8 2,237
27 Beyer Drilling 1 4 44
28 Davis Brothers Drilling 1 1 969
29 Western Drilling Co. 1 1 229
30 Weber Drilling 1 1 44
31 Kane Well Drilling & Pump Service 754 1,551
32 Williams Well Drilling 548 785
33 Krass Drilling & Pump Service 192 263
34 Camp Well Drilling 121 3,803
35 Phil Lewis Drilling 63 85
36 Liberty Drilling & Pump Co. 61 2,646
37 Castlio Drilling 44 645
38 Jerome And Okeefe Drilling Co. 36 1,032
39 RL Vetter Contracting 36 38
40 B And B Drilling 28 435
41 Minden Water Wells Inc. 27 314
42 Western Water Works Inc. 24 1,205
43 Spanglers Well Drilling 23 29
44 Main Harbor Pumps & Well Drilling 20 352
45 Lochner Drilling 18 36
46 Callison Drilling Inc. 17 62
47 Aqwa Drilling LLC 15 1,897
48 P & S Drilling 14 49
49 Ruen Core Drilling Inc. 12 55
50 Gold Brick Drilling 11 108
51 Esd Inc. 10 284
52 Ruen 9 57
53 Anderson Drilling 7 1,057
54 Mission 7 106
55 Lochner 7 76
56 Rainbow Well Drilling 6 204
57 Lewis 6 39
58 Aquasource Drilling LLC 5 1,071
59 Billmayer Drilling 5 3,225
60 Stinger Drilling 5 127
61 Glazier Drilling 4 1,736
62 Certified Well And Pump 4 498
63 Pickett 4 347
64 O.k. 4 324
65 Steve Berg Well Drilling 3 29
66 Hydrometrics Inc. 3 194
67 Sudan Drilling 3 1,984
68 Dept OF Transportation 3 527
69 Clearwater Drilling 3 146
70 Beebe 3 68
71 Geotex 3 31
72 Eagle Drilling And Pump Service 2 830
73 Ravalli Drilling Inc. 2 4,911
74 Brazill Drilling 2 674
75 Maxim Technologies 2 491
76 Ckc 2 482
77 Blackfoot Well Drilling & Pump Service Inc. 2 450
78 Preston 2 243
79 Boart Longyear Company 2 96
80 Starz 2 71
81 Hand 2 63
82 Porter Well Drilling 2 47
83 Ckc Drilling 2 42
84 D And D Drilling 2 34
85 Van Dyken Drilling Inc. 1 5,564
86 H & H Drilling 1 1,083
87 Aquasource Inc. LLC 1 497
88 Corveau Drilling 1 141
89 Weber 1 954
90 Stinger Well Drilling 1 774
91 Davis Drilling 1 385
92 Corvallis Well Drilling And Pump Co. 1 266
93 Tetra Tech 1 137
94 Damm Drilling 1 107
95 Usgs 1 102
96 Bearcat Drilling 1 96
97 Atlatl Inc. 1 86
98 Rabco Services Inc. 1 80
99 Northern Pacific Railway 1 63
100 Mcclarty Well Drilling 1 59
101 Kneller Drilling 1 50
102 Layne-Minnesota 1 39
103 Ulrich 1 35

Ranked by wells drilled in Sanders 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 Sanders County?

North Star Drilling Inc. has drilled the most Sanders County wells in the recent record — 201 since 2016, 201 in the county all-time.

How many well drilling companies work in Sanders County?

103 companies in the GWIC record have drilled wells in Sanders County; 42 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 Sanders County?

The median drilled depth in Sanders County is 165 ft, based on 4,891 recorded wells. Depths, water levels, and yields are on the Sanders County wells page.

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

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