Montana Well Data field records · 2026 survey

← All Montana drillers

Best well drillers in Park County, Montana

Not a pay-to-play list: these are the 90 drilling companies with wells on record in Park County, ranked by wells actually drilled here — 6,048 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.

90companies on record
40active since 2022
6,048wells in county record
#CompanyIn Park Co. since 2016All-time in countyStatewide
1 Hayes Drilling 459 1,598 1,920
2 Red Tiger Drilling 157 411 3,139
3 Potts Drilling Inc. 102 292 3,839
4 Van Dyken Drilling Inc. 47 814 5,564
5 MT Dept OF Transportation 33 63 5,869
6 Okeefe Drilling Co. 28 108 8,849
7 Old Town Drilling 22 22 163
8 Bridger Drilling Inc. 19 165 2,382
9 Diamond M Drilling Inc. 19 33 782
10 Cascade Drilling LP 19 32 716
11 Montana Highway Dept. 13 13 370
12 Excel Pump And Well Inc. 10 10 99
13 Douglas Drilling 8 28 1,060
14 Birchell Drilling 4 60 1,046
15 Bertram Drilling Inc. 4 7 748
16 Environmental West Exploration 4 4 329
17 Excel Drilling 4 4 42
18 Aaqua Drilling Inc. 3 83 5,240
19 Vidic Drilling Inc. 3 4 1,062
20 A-1 Drilling 3 3 387
21 H & L Drilling Inc. 2 24 7,604
22 AK Drilling Inc. 2 5 1,288
23 Western Water Wells 2 2 1,146
24 Dept OF Transportation 1 29 527
25 Aaaa Water Well Drilling Inc. 1 2 769
26 Aquasource Inc. LLC 1 2 497
27 West Central Environmental Consultants 1 1 291
28 406 Water Wells, LLC 1 1 182
29 Thompson Drilling & Pump 1 1 82
30 Hillman Drilling 1,246 2,321
31 Rock Creek Drilling Inc. 278 977
32 Haggerty Drilling 112 3,618
33 Jones 53 642
34 Esd Inc. 48 284
35 Beven Drilling 44 332
36 Prosonic Corp 43 43
37 P & S 35 42
38 Hulbert 33 558
39 B & H 32 1,341
40 Maxim Technologies 28 491
41 Kevin Haggerty Drilling Inc. 26 1,027
42 Boart Longyear Company 23 96
43 Bush Drilling 21 61
44 Ruen Core Drilling Inc. 19 55
45 I & I Drilling 12 118
46 Department OF Transportation 11 35
47 Lindsay Drilling Co. Inc. 10 6,738
48 Mahlum Drilling 10 142
49 Ruen 10 57
50 Bush 10 44
51 Haz Tech Drilling Inc. 9 2,135
52 Digger Drilling 9 725
53 Debuff Drilling 7 443
54 Jerome And Okeefe Drilling Co. 6 1,032
55 SK Geotechnical Co. 5 434
56 Hydrometrics Inc. 5 194
57 Jones Welding & Drilling Co. 5 50
58 Aqua Drilling And Pump 5 40
59 Layne-Minnesota 5 39
60 A-1 Drilling/Billings Drilling 4 804
61 Briggs Drilling 4 381
62 Tetra Tech 4 137
63 Kornec 4 135
64 Smith Drilling 4 120
65 Hulbert Drilling 4 76
66 Starz 4 71
67 Northern Pacific Railway 4 63
68 Pro Pump & Equipment Inc. 3 1,338
69 Mahurin Drilling 3 101
70 American Drilling & Supply 2 3,867
71 Graham Drilling Inc. 2 3,141
72 Boland Drilling 2 1,807
73 H & H Drilling 2 1,083
74 Jimison 2 133
75 Hand 2 63
76 MT Dept OF Highways 2 55
77 P & S Drilling 2 49
78 Aqwa Drilling LLC 1 1,897
79 Jeromes Drilling Co. 1 6,463
80 Mayes Drilling Inc. 1 1,139
81 Gary Mayes Drilling Inc. 1 386
82 Anderson Drilling 1 1,057
83 B & H Drilling 1 613
84 Higgins Drillng Company 1 538
85 Parsons Drilling 1 417
86 Pickett 1 347
87 Y-Environmental 1 94
88 Four Star Drilling 1 87
89 Major Drilling Environmental 1 34
90 C & L 1 26

Ranked by wells drilled in Park 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 Park County?

Hayes Drilling has drilled the most Park County wells in the recent record — 459 since 2016, 1,598 in the county all-time.

How many well drilling companies work in Park County?

90 companies in the GWIC record have drilled wells in Park County; 40 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 Park County?

The median drilled depth in Park County is 108 ft, based on 6,558 recorded wells. Depths, water levels, and yields are on the Park County wells page.

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

Get quotes from drillers active in Park County

Free for property owners. We route your request only to licensed drillers who actually file well logs in Park County — never sold elsewhere.

Drill in Park County?

If your company is on this list, your profile is free to claim — confirm your details and add your contact information so Park County property owners reach you directly.

Claim your profile

Free to claim · built from GWIC public well-log records.