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 104 drilling companies with wells on record in Sanders County, ranked by wells actually drilled here — 4,216 logged wells in Montana Bureau of Mines and Geology Ground Water Information Center (GWIC) (records as of 2026-08-10). Every number links back to the public record.

104companies on record
43active since 2022
4,216wells in county record
#CompanyIn Sanders Co. since 2016All-time in countyStatewide
1 North Star Drilling Inc. 203 203 224
2 Callison Well Drilling 146 221 695
3 Universal Drilling 128 167 1,147
4 OH Well Drilling And Pump 67 70 888
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. 33 364 651
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 1,294
14 Olympus Technical Services 12 13 175
15 Western Montana Drilling Co. 11 11 724
16 Jeromes Drilling Co. 10 128 6,463
17 Lewis Drilling 10 99 104
18 S & S Well Drilling, LLC 9 9 119
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 5 371
23 Boland Drilling 4 6 1,812
24 H2o Well Service Inc. 2 6 54
25 West Central Environmental Consultants 2 2 291
26 Chambers Drilling Company 1 8 2,238
27 Beyer Drilling 1 4 44
28 Western Water Wells 1 1 1,154
29 Davis Brothers Drilling 1 1 978
30 Western Drilling Co. 1 1 229
31 Weber Drilling 1 1 44
32 Kane Well Drilling & Pump Service 754 1,551
33 Williams Well Drilling 548 785
34 Krass Drilling & Pump Service 192 263
35 Camp Well Drilling 121 3,803
36 Phil Lewis Drilling 63 85
37 Liberty Drilling & Pump Co. 61 2,646
38 Castlio Drilling 44 645
39 Jerome And Okeefe Drilling Co. 36 1,032
40 RL Vetter Contracting 36 38
41 B And B Drilling 28 435
42 Minden Water Wells Inc. 27 314
43 Western Water Works Inc. 24 1,205
44 Spanglers Well Drilling 23 29
45 Main Harbor Pumps & Well Drilling 20 352
46 Lochner Drilling 18 36
47 Callison Drilling Inc. 17 62
48 Aqwa Drilling LLC 15 1,897
49 P & S Drilling 14 49
50 Ruen Core Drilling Inc. 12 55
51 Gold Brick Drilling 11 108
52 Esd Inc. 10 284
53 Ruen 9 57
54 Anderson Drilling 7 1,057
55 Mission 7 106
56 Lochner 7 76
57 Rainbow Well Drilling 6 204
58 Lewis 6 39
59 Aquasource Drilling LLC 5 1,079
60 Billmayer Drilling 5 3,228
61 Stinger Drilling 5 127
62 Glazier Drilling 4 1,736
63 Certified Well And Pump 4 498
64 Pickett 4 347
65 O.k. 4 324
66 Steve Berg Well Drilling 3 29
67 Hydrometrics Inc. 3 194
68 Sudan Drilling 3 1,984
69 Dept OF Transportation 3 527
70 Clearwater Drilling 3 146
71 Beebe 3 68
72 Geotex 3 31
73 Eagle Drilling And Pump Service 2 833
74 Ravalli Drilling Inc. 2 4,911
75 Brazill Drilling 2 674
76 Maxim Technologies 2 491
77 Ckc 2 482
78 Blackfoot Well Drilling & Pump Service Inc. 2 450
79 Preston 2 243
80 Boart Longyear Company 2 96
81 Starz 2 71
82 Hand 2 63
83 Porter Well Drilling 2 47
84 Ckc Drilling 2 42
85 D And D Drilling 2 34
86 Van Dyken Drilling Inc. 1 5,565
87 H & H Drilling 1 1,083
88 Aquasource Inc. LLC 1 497
89 Corveau Drilling 1 141
90 Weber 1 954
91 Stinger Well Drilling 1 774
92 Davis Drilling 1 385
93 Corvallis Well Drilling And Pump Co. 1 266
94 Tetra Tech 1 137
95 Damm Drilling 1 107
96 Usgs 1 102
97 Bearcat Drilling 1 96
98 Atlatl Inc. 1 86
99 Rabco Services Inc. 1 80
100 Northern Pacific Railway 1 63
101 Mcclarty Well Drilling 1 59
102 Kneller Drilling 1 50
103 Layne-Minnesota 1 39
104 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 — 203 since 2016, 203 in the county all-time.

How many well drilling companies work in Sanders County?

104 companies in the GWIC record have drilled wells in Sanders County; 43 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 4,899 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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