GroundRosterZahm Soil Testing
| Name | Zahm Soil Testing |
| License number | 109300002-SP |
| License type | Plumber, Soil Tester |
| Location | Oconto, Wisconsin 54153 |
| Service area | Plumbing, Soil Testing |
| Phone | (920) 373-1673 |
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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 #109300002-SP directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Oconto County Land & Water Resource Department, last checked 2026-08-19. Verify at the official source.
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