The drilling companies that have actually completed wells within 15 miles of Malmstrom AFB, ranked by how many, from the well logs each company filed with the state. Malmstrom AFB is in Cascade County.
In the last five years, 402 wells were completed within 15 miles of Malmstrom AFB, by 17 different drilling companies. The most active was Aquasource Drilling Llc, with 120. The three busiest companies drilled 58 percent of them, with the rest spread across smaller outfits.
| Company | Wells within 15 mi | Latest | Closest well |
|---|---|---|---|
| Aquasource Drilling Llc | 120 | 2026 | 1 mi |
| Boland Drilling | 59 | 2026 | 1 mi |
| Vista Geoscience | 52 | 2023 | 0 mi |
| Aaaa Water Well Drilling Inc | 47 | 2026 | 2 mi |
| Cascade Drilling Lp | 43 | 2025 | 0 mi |
| Aquasource Inc Llc | 17 | 2023 | 2 mi |
| 406 Water Wells, Llc | 15 | 2026 | 2 mi |
| Pat Byrne Drilling Inc | 13 | 2026 | 4 mi |
| West Central Environmental Consultants | 9 | 2025 | 2 mi |
| Hl Ventures Llc | 4 | 2025 | 2 mi |
| Montana Salinity Control Association | 4 | 2026 | 8 mi |
| Okeefe Drilling Co | 3 | 2025 | 3 mi |
| Olympus Technical Services | 3 | 2025 | 7 mi |
| Western Water Wells | 3 | 2025 | 2 mi |
| Corveau Drilling | 2 | 2022 | 13 mi |
| Haz Tech Drilling Inc | 2 | 2021 | 2 mi |
| Thomas, Dean, And Hoskins, Inc. | 1 | 2025 | 5 mi |
Source: MBMG Ground Water Information Center well logs completed 2021 to 2026, counted by distance from the center of Malmstrom AFB. 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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