GroundRosterBenchmark Environmental Labs, Inc.
| Name | Benchmark Environmental Labs, Inc. |
| License number | GM213535 |
| License type | Sewage Treatment System Service Provider |
| License status | Bonded — Ohio Department of Health, 2026 bond lists |
| Location | Columbus, Ohio 43214 |
| Phone | (614) 267-4588 |
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What this license covers
- Service: licensed to operate and service advanced treatment systems on an ongoing contract.
How to verify this license
We publish this listing exactly as it appears in Ohio's official licensing records; we do not vouch for the business itself. Before hiring, look up license #GM213535 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Ohio Department of Health - Sewage Treatment System Bond Lists, last checked 2026-08-17. Verify at the official source.
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