The drilling companies that have actually completed wells within 15 miles of Hamilton, ranked by how many, from the well logs each company filed with the state. Hamilton is in Ravalli County.
In the last five years, 683 wells were completed within 15 miles of Hamilton, by 17 different drilling companies. The most active was Eslinger Drilling & Pump Service, with 239. The three busiest companies drilled 74 percent of them, so work here is concentrated among a few outfits.
| Company | Wells within 15 mi | Latest | Closest well |
|---|---|---|---|
| Eslinger Drilling & Pump Service | 239 | 2026 | 1 mi |
| Aqwa Drilling Llc | 158 | 2025 | 0 mi |
| Eagle Drilling And Pump Service | 108 | 2026 | 0 mi |
| S & S Well Drilling, Llc | 49 | 2026 | 1 mi |
| Western Montana Drilling Co. | 49 | 2026 | 1 mi |
| Ravalli Drilling Inc | 24 | 2026 | 1 mi |
| Jeromes Drilling Co | 21 | 2025 | 2 mi |
| Ak Drilling Inc | 10 | 2026 | 3 mi |
| Camp Well Drilling And Pump Service | 8 | 2025 | 2 mi |
| West Central Environmental Consultants | 4 | 2025 | 1 mi |
| Okeefe Drilling Co | 3 | 2023 | 0 mi |
| Coldwater Drilling And Pumps | 2 | 2024 | 9 mi |
| Ace Drilling | 1 | 2024 | 4 mi |
| Camp Well Drilling & Pump Supply | 1 | 2024 | 6 mi |
| Heimark Drilling | 1 | 2026 | 7 mi |
| Holt Services Inc | 1 | 2022 | 15 mi |
| Jkj Drilling Llc | 1 | 2025 | 9 mi |
Source: MBMG Ground Water Information Center well logs completed 2021 to 2026, counted by distance from the center of Hamilton. 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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