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Best well drillers in Gallatin County, Montana
Not a pay-to-play list: these are the 115 drilling companies with wells
on record in Gallatin County, ranked by wells actually drilled here — 18,322 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.
115companies on record
39active since 2022
18,322wells in county record
| # | Company | In Gallatin Co. since 2016 | All-time in county | Statewide |
|---|
| 1 | Potts Drilling Inc. | 806 | 2,989 | 3,839 |
| 2 | Van Dyken Drilling Inc. | 603 | 4,019 | 5,564 |
| 3 | Red Tiger Drilling | 506 | 1,429 | 3,139 |
| 4 | Bridger Drilling Inc. | 495 | 1,938 | 2,382 |
| 5 | Diamond M Drilling Inc. | 309 | 642 | 782 |
| 6 | Okeefe Drilling Co. | 113 | 211 | 8,849 |
| 7 | Old Town Drilling | 74 | 74 | 163 |
| 8 | Western Water Wells | 56 | 56 | 1,146 |
| 9 | Excel Pump And Well Inc. | 49 | 49 | 99 |
| 10 | Haz Tech Drilling Inc. | 34 | 97 | 2,135 |
| 11 | A-10 Drilling | 22 | 27 | 2,343 |
| 12 | Hayes Drilling | 19 | 235 | 1,920 |
| 13 | MT Dept OF Transportation | 19 | 151 | 5,869 |
| 14 | SK Geotechnical Co. | 18 | 41 | 434 |
| 15 | AK Drilling Inc. | 16 | 22 | 1,288 |
| 16 | Excel Drilling | 15 | 15 | 42 |
| 17 | Aaqua Drilling Inc. | 14 | 17 | 5,240 |
| 18 | Lindsay Drilling Co. Inc. | 10 | 76 | 6,738 |
| 19 | Vidic Drilling Inc. | 10 | 10 | 1,062 |
| 20 | Pioneer Technical Services Inc. | 8 | 8 | 204 |
| 21 | Kevin Haggerty Drilling Inc. | 7 | 918 | 1,027 |
| 22 | Montana Highway Dept. | 7 | 14 | 370 |
| 23 | Olympus Technical Services | 6 | 6 | 175 |
| 24 | Mahurin Drilling | 5 | 78 | 101 |
| 25 | West Central Environmental Consultants | 4 | 4 | 291 |
| 26 | Graham Drilling Inc. | 3 | 10 | 3,141 |
| 27 | Terracon | 3 | 3 | 122 |
| 28 | Cascade Drilling LP | 2 | 2 | 716 |
| 29 | Boland Drilling | 1 | 5 | 1,807 |
| 30 | Haggerty Drilling | — | 2,904 | 3,618 |
| 31 | Hillman Drilling | — | 715 | 2,321 |
| 32 | Hulbert | — | 503 | 558 |
| 33 | Jones | — | 406 | 642 |
| 34 | Birchell Drilling | — | 75 | 1,046 |
| 35 | Hulbert Drilling | — | 71 | 76 |
| 36 | Esd Inc. | — | 63 | 284 |
| 37 | Bennetts | — | 29 | 33 |
| 38 | Jones Welding & Drilling Co. | — | 28 | 50 |
| 39 | Buttelman | — | 26 | 26 |
| 40 | Bush | — | 24 | 44 |
| 41 | PC Exploration | — | 23 | 47 |
| 42 | Pickett | — | 22 | 347 |
| 43 | Dept OF Transportation | — | 20 | 527 |
| 44 | White | — | 20 | 25 |
| 45 | Madison Drilling & Pump Supply | — | 15 | 681 |
| 46 | Andrew Well Drilling | — | 14 | 35 |
| 47 | Lloyd | — | 13 | 130 |
| 48 | Gary Mayes Drilling Inc. | — | 12 | 386 |
| 49 | H & L Drilling Inc. | — | 11 | 7,604 |
| 50 | Bush Drilling | — | 11 | 61 |
| 51 | Ruen | — | 11 | 57 |
| 52 | Kornec | — | 9 | 135 |
| 53 | Morelock Drilling And Pump | — | 9 | 36 |
| 54 | Maxim Technologies | — | 8 | 491 |
| 55 | Jbr Environmental Consultants | — | 8 | 72 |
| 56 | Gary's Drilling Inc. | — | 7 | 261 |
| 57 | Environmental West Exploration | — | 6 | 329 |
| 58 | Tetra Tech | — | 6 | 137 |
| 59 | MT Bureau OF Mines & Geology | — | 5 | 620 |
| 60 | Preston | — | 5 | 243 |
| 61 | Morelock | — | 5 | 130 |
| 62 | Y-Environmental | — | 5 | 94 |
| 63 | Pro Pump & Equipment Inc. | — | 4 | 1,338 |
| 64 | Rock Creek Drilling Inc. | — | 4 | 977 |
| 65 | Mahlum Drilling | — | 4 | 142 |
| 66 | Usgs | — | 4 | 102 |
| 67 | Big Sky | — | 4 | 85 |
| 68 | Environmental West | — | 3 | 143 |
| 69 | I & I Drilling | — | 3 | 118 |
| 70 | Hunter | — | 3 | 26 |
| 71 | Mayes Drilling Inc. | — | 2 | 1,139 |
| 72 | A-1 Drilling/Billings Drilling | — | 2 | 804 |
| 73 | Parsons Drilling | — | 2 | 417 |
| 74 | Sunrise Drilling Inc. | — | 2 | 392 |
| 75 | Billings | — | 2 | 367 |
| 76 | Beven Drilling | — | 2 | 332 |
| 77 | Johnson Water Well Service | — | 2 | 275 |
| 78 | Nicka Well Drilling | — | 2 | 160 |
| 79 | Braun | — | 2 | 129 |
| 80 | Osborne | — | 2 | 59 |
| 81 | Patterson | — | 2 | 41 |
| 82 | Olympus | — | 2 | 34 |
| 83 | Bray | — | 2 | 30 |
| 84 | American Drilling & Supply | — | 1 | 3,867 |
| 85 | Central Drilling Inc. | — | 1 | 1,101 |
| 86 | Sharp Drilling Inc. | — | 1 | 772 |
| 87 | Aquasource Inc. LLC | — | 1 | 497 |
| 88 | Kelly Drilling | — | 1 | 153 |
| 89 | Liberty Drilling & Pump Co. | — | 1 | 2,646 |
| 90 | Martin Well Drilling | — | 1 | 1,451 |
| 91 | Treasure State Drilling | — | 1 | 1,444 |
| 92 | Gordon Drilling Inc. | — | 1 | 1,128 |
| 93 | Valley Drilling Co. | — | 1 | 1,108 |
| 94 | Anderson Drilling | — | 1 | 1,057 |
| 95 | Digger Drilling | — | 1 | 725 |
| 96 | Johnson | — | 1 | 658 |
| 97 | Dynamite Drilling | — | 1 | 631 |
| 98 | B & H Drilling | — | 1 | 613 |
| 99 | Davis Drilling | — | 1 | 385 |
| 100 | Murrays Well Service | — | 1 | 376 |
| 101 | Hudson | — | 1 | 342 |
| 102 | Leroy Johnson Well Drilling | — | 1 | 156 |
| 103 | Sommer | — | 1 | 131 |
| 104 | Sure Water Drilling | — | 1 | 125 |
| 105 | Whitmer Drilling | — | 1 | 121 |
| 106 | Clayton Larson | — | 1 | 111 |
| 107 | Barrus Drilling And Pump Co. | — | 1 | 109 |
| 108 | Woelich Drilling | — | 1 | 88 |
| 109 | Bailey And Okeefe Drilling Co. | — | 1 | 82 |
| 110 | Whitaker Well Drilling | — | 1 | 72 |
| 111 | Mendenhall Drilling | — | 1 | 70 |
| 112 | Ruen Core Drilling Inc. | — | 1 | 55 |
| 113 | P & S | — | 1 | 42 |
| 114 | Diamond Core Drilling Inc. | — | 1 | 38 |
| 115 | C & L | — | 1 | 26 |
Ranked by wells drilled in Gallatin 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 Gallatin County?
Potts Drilling Inc. has drilled the most Gallatin County wells in the recent record — 806 since 2016, 2,989 in the county all-time.
How many well drilling companies work in Gallatin County?
115 companies in the GWIC record have drilled wells in Gallatin County; 39 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 Gallatin County?
The median drilled depth in Gallatin County is 80 ft, based on 19,725 recorded wells. Depths, water levels, and yields are on the Gallatin County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on
the Gallatin County wells page.
Drill in Gallatin County?
If your company is on this list, your profile is free to claim — confirm your details and add your
contact information so Gallatin County property owners reach you directly.
Claim your profile Free to claim · built from GWIC public well-log records.