The drilling companies that have actually completed wells within 15 miles of Old Agency, ranked by how many, from the well logs each company filed with the state. Old Agency is in Sanders County.
In the last five years, 205 wells were completed within 15 miles of Old Agency, by 15 different drilling companies. The most active was Ace Drilling, with 73. The three busiest companies drilled 57 percent of them, with the rest spread across smaller outfits.
| Company | Wells within 15 mi | Latest | Closest well |
|---|---|---|---|
| Ace Drilling | 73 | 2026 | 2 mi |
| Oh Well Drilling And Pump | 23 | 2026 | 5 mi |
| Olympus Technical Services | 19 | 2023 | 2 mi |
| Coldwater Drilling And Pumps | 17 | 2026 | 6 mi |
| West Central Environmental Consultants | 17 | 2025 | 9 mi |
| Jeromes Drilling Co | 15 | 2025 | 7 mi |
| Camp Well Drilling And Pump Service | 11 | 2026 | 7 mi |
| Allwest Drilling Inc | 9 | 2024 | 6 mi |
| North Star Drilling Inc | 7 | 2025 | 3 mi |
| Ak Drilling Inc | 3 | 2026 | 1 mi |
| Heimark Drilling | 3 | 2026 | 8 mi |
| Western Montana Drilling Co. | 3 | 2023 | 9 mi |
| Gove Contracting | 1 | 2023 | 12 mi |
| Jay Bick Drilling, Llc | 1 | 2026 | 11 mi |
| Ponderosa Drilling Llc | 1 | 2026 | 15 mi |
Source: MBMG Ground Water Information Center well logs completed 2021 to 2026, counted by distance from the center of Old Agency. 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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