Tri-State Valve and Instrument, Inc. is an industry leader in pressure relief valve products and solutions. Certified by National Board of Boiler and Pressure Vessel Inspectors, TVI meets and exceeds the quality and safety standards of its customers and the industry as a whole. Through the use of advanced technology and very stringent quality processes,…

Protect What Matters with Tri State Valve & Instrument

Looking for trusted Tool Store services in Calvert City? Tri State Valve & Instrument is your local expert for alarms, surveillance, access control, and more. Whether you're securing your home or business, get help from pros who know how to keep you safe. Fast. Simple. No pressure.

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