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Best well drillers in Ravalli County, Montana
Not a pay-to-play list: these are the 104 drilling companies with wells
on record in Ravalli County, ranked by wells actually drilled here — 19,786 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.
104companies on record
38active since 2022
19,786wells in county record
| # | Company | In Ravalli Co. since 2016 | All-time in county | Statewide |
|---|
| 1 | Eslinger Drilling & Pump Service | 1,116 | 4,379 | 4,586 |
| 2 | Aqwa Drilling LLC | 765 | 1,791 | 1,897 |
| 3 | Eagle Drilling And Pump Service | 351 | 739 | 843 |
| 4 | Western Montana Drilling Co. | 191 | 191 | 740 |
| 5 | Jeromes Drilling Co. | 175 | 991 | 6,465 |
| 6 | Ravalli Drilling Inc. | 167 | 4,481 | 4,911 |
| 7 | S & S Well Drilling, LLC | 107 | 107 | 122 |
| 8 | Camp Well Drilling And Pump Service | 92 | 111 | 573 |
| 9 | AK Drilling Inc. | 77 | 99 | 1,310 |
| 10 | Camp Well Drilling & Pump Supply | 50 | 504 | 868 |
| 11 | Coldwater Drilling And Pumps | 23 | 23 | 597 |
| 12 | Okeefe Drilling Co. | 11 | 67 | 8,889 |
| 13 | Western Drilling Co. | 11 | 11 | 229 |
| 14 | West Central Environmental Consultants | 7 | 7 | 311 |
| 15 | Heimark Drilling | 4 | 4 | 38 |
| 16 | Aqua Drilling And Pump | 3 | 10 | 40 |
| 17 | Western Water Wells | 2 | 2 | 1,188 |
| 18 | Rainbow Well Drilling | 1 | 23 | 204 |
| 19 | Callison Well Drilling | 1 | 11 | 698 |
| 20 | A-10 Drilling | 1 | 1 | 2,353 |
| 21 | Ace Drilling | 1 | 1 | 947 |
| 22 | Holt Services Inc. | 1 | 1 | 53 |
| 23 | Martin Well Drilling | — | 1,040 | 1,451 |
| 24 | Preston Drilling | — | 981 | 1,000 |
| 25 | Valley Drilling Co. | — | 904 | 1,108 |
| 26 | Advanced Well Drilling Inc. | — | 729 | 811 |
| 27 | Anderson Drilling | — | 378 | 1,057 |
| 28 | Carlson Drilling | — | 348 | 470 |
| 29 | Corvallis Well Drilling And Pump Co. | — | 265 | 266 |
| 30 | Jacobson Drilling | — | 195 | 608 |
| 31 | Camp Well Drilling | — | 143 | 3,803 |
| 32 | Jerome And Okeefe Drilling Co. | — | 137 | 1,032 |
| 33 | Williams Well Drilling | — | 104 | 785 |
| 34 | Preston | — | 104 | 243 |
| 35 | Sander Drilling Company | — | 103 | 105 |
| 36 | Smith Drilling | — | 90 | 120 |
| 37 | MT Dept OF Transportation | — | 85 | 5,869 |
| 38 | Liberty Drilling & Pump Co. | — | 61 | 2,646 |
| 39 | Trimble Well Drilling | — | 52 | 52 |
| 40 | Pines Drilling | — | 44 | 45 |
| 41 | Hudson Brothers | — | 42 | 51 |
| 42 | Ray | — | 36 | 42 |
| 43 | Carlson | — | 33 | 115 |
| 44 | Quigley | — | 33 | 36 |
| 45 | Water Well Contractors Inc. | — | 33 | 34 |
| 46 | D And D Drilling | — | 26 | 34 |
| 47 | C.k.c. Drilling | — | 25 | 47 |
| 48 | Willison Well Drilling | — | 23 | 25 |
| 49 | Boland Drilling | — | 21 | 1,815 |
| 50 | Corvallis | — | 21 | 25 |
| 51 | Chambers Drilling Company | — | 11 | 2,244 |
| 52 | Aaqua Drilling Inc. | — | 9 | 5,299 |
| 53 | Hydrometrics Inc. | — | 9 | 194 |
| 54 | Hudson | — | 9 | 342 |
| 55 | Montana Tech | — | 9 | 43 |
| 56 | Kane Well Drilling & Pump Service | — | 8 | 1,551 |
| 57 | Ckc Drilling | — | 8 | 42 |
| 58 | Pickett | — | 7 | 347 |
| 59 | Blackfoot Well Drilling & Pump Service Inc. | — | 6 | 450 |
| 60 | Ckc | — | 5 | 482 |
| 61 | Van Dyken Drilling Inc. | — | 4 | 5,572 |
| 62 | Lindsay Drilling Co. Inc. | — | 4 | 6,746 |
| 63 | Water & Environmental Technologies | — | 4 | 113 |
| 64 | Maxim Technologies | — | 4 | 491 |
| 65 | Western | — | 4 | 202 |
| 66 | Wroble | — | 4 | 101 |
| 67 | Phil Lewis Drilling | — | 4 | 85 |
| 68 | Magstadt | — | 4 | 80 |
| 69 | Northern Pacific Railway | — | 4 | 63 |
| 70 | Ulrich | — | 4 | 35 |
| 71 | Diamond M Drilling Inc. | — | 3 | 795 |
| 72 | Aquasource Inc. LLC | — | 3 | 497 |
| 73 | Environmental West | — | 3 | 143 |
| 74 | Montana Highway Dept. | — | 3 | 370 |
| 75 | Krass Drilling & Pump Service | — | 3 | 263 |
| 76 | Pickens | — | 3 | 90 |
| 77 | Callison Drilling Inc. | — | 3 | 62 |
| 78 | Raging Wolf Drilling | — | 3 | 57 |
| 79 | Jennings Drilling Co. | — | 2 | 248 |
| 80 | Mahurin Drilling | — | 2 | 101 |
| 81 | Cni | — | 2 | 39 |
| 82 | Lochner Drilling | — | 2 | 36 |
| 83 | Geotex | — | 2 | 31 |
| 84 | Billmayer Drilling | — | 1 | 3,232 |
| 85 | Allwest Drilling Inc. | — | 1 | 1,694 |
| 86 | Sharp Drilling Inc. | — | 1 | 772 |
| 87 | Birchell Drilling | — | 1 | 1,046 |
| 88 | Petrie Pump & Drilling | — | 1 | 621 |
| 89 | Corveau Drilling | — | 1 | 141 |
| 90 | Western Water Works Inc. | — | 1 | 1,205 |
| 91 | Gordon Drilling Inc. | — | 1 | 1,128 |
| 92 | Castlio Drilling | — | 1 | 645 |
| 93 | Montana | — | 1 | 176 |
| 94 | Farrell | — | 1 | 166 |
| 95 | Well Done Drilling & Pump Co. | — | 1 | 152 |
| 96 | Kornec | — | 1 | 135 |
| 97 | Simpson | — | 1 | 124 |
| 98 | Aqua Source | — | 1 | 117 |
| 99 | Bailey And Okeefe Drilling Co. | — | 1 | 82 |
| 100 | Krause | — | 1 | 70 |
| 101 | Hand | — | 1 | 63 |
| 102 | Pinnow Drilling | — | 1 | 62 |
| 103 | MT Dept OF Highways | — | 1 | 55 |
| 104 | Jones Welding & Drilling Co. | — | 1 | 50 |
Ranked by wells drilled in Ravalli 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 Ravalli County?
Eslinger Drilling & Pump Service has drilled the most Ravalli County wells in the recent record — 1,116 since 2016, 4,379 in the county all-time.
How many well drilling companies work in Ravalli County?
104 companies in the GWIC record have drilled wells in Ravalli County; 38 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 Ravalli County?
The median drilled depth in Ravalli County is 75 ft, based on 21,971 recorded wells. Depths, water levels, and yields are on the Ravalli County wells page.
Well depths, static water levels, tested yields, and drilling cost estimates for this county live on
the Ravalli County wells page.
Drill in Ravalli County?
If your company is on this list, your profile is free to claim — confirm your details and add your
contact information so Ravalli County property owners reach you directly.
Claim your profile Free to claim · built from GWIC public well-log records.