The drilling companies that have actually completed wells within 15 miles of Missoula, ranked by how many, from the well logs each company filed with the state. Missoula is in Missoula County.
In the last five years, 486 wells were completed within 15 miles of Missoula, by 21 different drilling companies. The most active was Western Montana Drilling Co., with 197. The three busiest companies drilled 67 percent of them, so work here is concentrated among a few outfits.
| Company | Wells within 15 mi | Latest | Closest well |
|---|---|---|---|
| Western Montana Drilling Co. | 197 | 2026 | 1 mi |
| Camp Well Drilling And Pump Service | 87 | 2026 | 0 mi |
| Jeromes Drilling Co | 42 | 2025 | 1 mi |
| Camp Well Drilling & Pump Supply | 25 | 2026 | 1 mi |
| Holt Services Inc | 25 | 2025 | 1 mi |
| Okeefe Drilling Co | 23 | 2026 | 1 mi |
| Ak Drilling Inc | 13 | 2026 | 3 mi |
| Eslinger Drilling & Pump Service | 13 | 2026 | 3 mi |
| Coldwater Drilling And Pumps | 12 | 2026 | 1 mi |
| Eagle Drilling And Pump Service | 8 | 2025 | 6 mi |
| Lindsay Drilling Co Inc | 7 | 2026 | 6 mi |
| Cascade Drilling Lp | 6 | 2024 | 1 mi |
| S & S Well Drilling, Llc | 6 | 2024 | 2 mi |
| West Central Environmental Consultants | 5 | 2024 | 4 mi |
| Aqwa Drilling Llc | 4 | 2023 | 5 mi |
| Heimark Drilling | 3 | 2026 | 4 mi |
| Oh Well Drilling And Pump | 3 | 2026 | 9 mi |
| Ace Drilling | 2 | 2024 | 3 mi |
| Aquasource Drilling Llc | 1 | 2025 | 4 mi |
| Ravalli Drilling Inc | 1 | 2026 | 14 mi |
| Western Water Wells | 1 | 2026 | 11 mi |
Source: MBMG Ground Water Information Center well logs completed 2021 to 2026, counted by distance from the center of Missoula. Only logs that name a company are ranked. This is a count of public records, not a recommendation; see how to check a driller before you hire. For depth, yield and water level near a specific property, see Montana Water Report.
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