The drilling companies that have actually completed wells within 15 miles of Jefferson City, ranked by how many, from the well logs each company filed with the state. Jefferson City is in Jefferson County.
In the last five years, 278 wells were completed within 15 miles of Jefferson City, by 11 different drilling companies. The most active was H & L Drilling Inc, with 87. The three busiest companies drilled 72 percent of them, so work here is concentrated among a few outfits.
| Company | Wells within 15 mi | Latest | Closest well |
|---|---|---|---|
| H & L Drilling Inc | 87 | 2026 | 1 mi |
| A-10 Drilling | 69 | 2026 | 1 mi |
| Lindsay Drilling Co Inc | 44 | 2026 | 2 mi |
| Western Water Wells | 30 | 2026 | 1 mi |
| Aaaa Water Well Drilling Inc | 24 | 2025 | 3 mi |
| Okeefe Drilling Co | 17 | 2025 | 5 mi |
| Ak Drilling Inc | 3 | 2025 | 12 mi |
| 406 Water Wells, Llc | 1 | 2026 | 13 mi |
| Diamond M Drilling Inc | 1 | 2022 | 12 mi |
| Eagle Drilling And Pump Service | 1 | 2025 | 12 mi |
| Excel Pump And Well Inc. | 1 | 2023 | 6 mi |
Source: MBMG Ground Water Information Center well logs completed 2021 to 2026, counted by distance from the center of Jefferson City. 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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