The drilling companies that have actually completed wells within 15 miles of Dillon, ranked by how many, from the well logs each company filed with the state. Dillon is in Beaverhead County.
In the last five years, 162 wells were completed within 15 miles of Dillon, by 9 different drilling companies. The most active was Graham Drilling Inc, with 80. The three busiest companies drilled 86 percent of them, so work here is concentrated among a few outfits.
| Company | Wells within 15 mi | Latest | Closest well |
|---|---|---|---|
| Graham Drilling Inc | 80 | 2025 | 1 mi |
| Okeefe Drilling Co | 30 | 2026 | 1 mi |
| Lindsay Drilling Co Inc | 29 | 2026 | 1 mi |
| Graham Drilling & Pumps | 10 | 2026 | 1 mi |
| Ak Drilling Inc | 4 | 2025 | 4 mi |
| Old Town Drilling | 3 | 2023 | 3 mi |
| Red Tiger Drilling | 3 | 2023 | 7 mi |
| Excel Pump And Well Inc. | 2 | 2023 | 4 mi |
| Western Water Wells | 1 | 2026 | 2 mi |
Source: MBMG Ground Water Information Center well logs completed 2021 to 2026, counted by distance from the center of Dillon. 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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