GEM Industrial Inc., Walbridge, OH: Backflow Testing

Approvals

✓ On the City of Columbus list Phone matches its Google profile

City of Columbus approved backflow testers, as of October 1, 2026. Being on this list means the utility lets the company file backflow test reports in its water system; it is not a state license.

Certified tester	Certificate
Avery Coles	A12599
Daniel Sommers	11384

Ask for the certificate number of the tester who will do your test, and check that your own water utility accepts reports from this company.

Call (419) 666-6554 Visit website More testers in Ohio

Questions about GEM Industrial Inc.

Is GEM Industrial Inc. approved to test backflow assemblies?

GEM Industrial Inc. is on the City of Columbus list, as of October 1, 2026. That means the utility lets the company file backflow test reports in its system; it is not a state license. Ask for the tester's certificate number before the test.

What does GEM Industrial Inc. do?

Their listing covers backflow testing. Call to confirm the service you need, because offerings change.

How do I reach GEM Industrial Inc.?

Call (419) 666-6554. Their website is linked on this page.

Is this your business?

Claim this listing free: add the utilities you file with, your service area and your residential test price, and get annual test-due requests from property owners.

Claim this listing