BackflowNear Test-Due Reminder

GWS Contractors

Backflow testing. 100 Industrial Dr, Bonne Terre, MO 63628

8 state-certified testers
90/100 BackflowNear score

Certification

✓ On Missouri's certified backflow tester roster Phone matches its Google profile
Certified testerCertificateExpires
Corey Callahan06-12307December 2028
Jeremy Schmidt06-9191May 2028
Travis Klipfel38-9260April 2028
Rodney J. Pinkston06-1900April 2027
Aric D. Altenthal38-7242April 2027
Jeff J. Shaw38-7252April 2027
Jeffrey C. Evans06-0765March 2027
Dalton Boyer06-13728January 2027

From the Missouri Department of Natural Resources roster, read October 6, 2026. The roster lists people, not companies; these are the certified testers it lists for this business. Ask which tester will do your test, and your utility may also require the tester to be registered with it.

Where you will find GWS Contractors

These are the city pages close enough for this business to appear on.

Other backflow testers nearby

BusinessServicesDistance
Raider MechanicalBackflow Testing7 mi
Heberlie Plumbing Inc.Backflow Testing15 mi
Hudson PlumbingBackflow Testing23 mi
Team Pro, Inc.Backflow Testing33 mi
Bore's Plumbing & Sewer ServiceBackflow Testing35 mi
Bob's Plumbing CoBackflow Testing36 mi

Questions about GWS Contractors

Is GWS Contractors licensed?

Yes. Missouri records showed an active certificate (#38-9260) when we last checked in Oct 2026. Ask to see it before work starts, since a certificate can lapse between checks.

What does GWS Contractors do?

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

What areas does GWS Contractors serve?

They are based in Bonne Terre, Missouri, within driving distance of Arnold, St Clair, Pacific, Eureka, Fenton. Service areas are set by the business, so confirm yours when you call.

How do I reach GWS Contractors?

Call (573) 358-3040.

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.

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