The drilling companies that have actually completed wells within 15 miles of Greycliff, ranked by how many, from the well logs each company filed with the state. Greycliff is in Sweet Grass County.
In the last five years, 152 wells were completed within 15 miles of Greycliff, by 15 different drilling companies. The most active was Thompson Drilling & Pump, with 51. The three busiest companies drilled 66 percent of them, so work here is concentrated among a few outfits.
| Company | Wells within 15 mi | Latest | Closest well |
|---|---|---|---|
| Thompson Drilling & Pump | 51 | 2026 | 0 mi |
| Birchell Drilling | 30 | 2023 | 1 mi |
| Potts Drilling Inc | 19 | 2025 | 1 mi |
| Aaqua Drilling Inc | 17 | 2026 | 4 mi |
| 406 Water Wells, Llc | 7 | 2026 | 9 mi |
| Outlaw Drilling & Pump, Llc | 7 | 2026 | 2 mi |
| American Drilling & Supply | 6 | 2025 | 1 mi |
| Bertram Drilling Inc | 4 | 2024 | 7 mi |
| A-1 Drilling | 3 | 2025 | 9 mi |
| Lindsay Drilling Co Inc | 2 | 2025 | 10 mi |
| Van Dyken Drilling Inc | 2 | 2026 | 1 mi |
| Billmayer Drilling | 1 | 2022 | 9 mi |
| Excel Pump And Well Inc. | 1 | 2022 | 12 mi |
| Mbmg | 1 | 2024 | 13 mi |
| Old Town Drilling | 1 | 2022 | 11 mi |
Source: MBMG Ground Water Information Center well logs completed 2021 to 2026, counted by distance from the center of Greycliff. 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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