Cook's Mechanical Services, Blountville, TN: Backflow Testing

Certification

✓ On Tennessee's certified backflow tester roster Phone matches its Google profile

Certified tester	Certificate	Expires
John Issac Marshall	9659	October 2027

From the Tennessee Department of Environment and Conservation (Fleming Training Center) 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.

Call (423) 323-2665 Visit website More testers in Tennessee

Where you will find Cook's Mechanical Services

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

Other backflow testers nearby

Business	Services	Distance
Boehm Landscape Management	Backflow Testing	5 mi
Comfort Systems USA	Backflow Testing	6 mi
Steve Huff Plumbing Co., Inc.	Backflow Testing	6 mi
Long's Construction	Backflow Testing	6 mi
Premier Fire Protection	Backflow Testing	8 mi
Cornett Service Group	Backflow Testing	10 mi

Questions about Cook's Mechanical Services

Is Cook's Mechanical Services licensed?

Yes. Tennessee records showed an active certificate (#9659) when we last checked in Oct 2026. Ask to see it before work starts, since a certificate can lapse between checks.

What does Cook's Mechanical Services do?

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

What areas does Cook's Mechanical Services serve?

They are based in Blountville, Tennessee, within driving distance of Blountville, Bristol, Johnson City, Kingsport. Service areas are set by the business, so confirm yours when you call.

How do I reach Cook's Mechanical Services?

Call (423) 323-2665. 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.

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