GroundRosterKostac Well Drilling And RepairLicensed
| Name | Kostac Well Drilling And Repair |
| License number | 7166 |
| License type | Registered Well Driller Business |
| License status | Active — Wisconsin DNR licensed well driller roster |
| Location | Ashland, Wisconsin 54806 |
| Phone | (715) 278-3986 |
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What this license covers
- Drilling / construction: licensed to bore, case, complete, and plug water wells.
How to verify this license
We publish this listing exactly as it appears in Wisconsin's official licensing records; we do not vouch for the business itself. Before hiring, look up license #7166 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Wisconsin DNR - Licensed Water Well Drillers / Registered Well Driller Businesses, last checked 2026-08-17. Verify at the official source.
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