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Pipe Quality Certification Program

The Pipe Quality Audit Certification Program is a major accomplishment achieved by many STI/SPFA pipe fabricators. Apply for the Pipe Quality Audit Certification Program.

The STI/SPFA Pipe Quality Certification is a requirement in most piping specifications in the United States water transmission industry. Unlike other international certification programs, the STI/SPFA program addresses quality assurance and control, lining and coating operations, and equipment and welding procedures specific to steel water piping. The certification process also evaluates a company’s management, organization, engineering and procurement practices.

The audit program is administered through a third-party quality assurance organization and requires rigorous inspection and re-certification every three years. By requiring STI/SPFA certification, owners and engineers can have confidence that their pipe and fittings will conform to both the defined requirements of the specifications and the intent of a quality product.

Apply for the Pipe Quality Audit Certification Program

Pipe Quality Certified Companies

Company Location(s)
American SpiralWeld Pipe Company, LLC Birmingham, AL
Columbia, SC
Flint, MI
Aqua Pipe & Fabrication Springville, UT
Cohen Industrial Supply Houston, TX
Desert Pipe Mesa, AZ
Hallmark Industrial Supply Houston, TX
Imperial Pipe Riverside, CA
Jifco Inc. Livermore, CA
Kosse, TX
Mid America Pipe Fabricating & Supply Scammon, KS
Professional Piping Systems, LLC Phoenix, AZ
Skyline Steel Longview, WA
Iuka, MS
Southland Pipe Corp. Rialto, CA
T Bailey, Inc. Anacortes, WA
Tennessee Metal Fabricating Corp. Rock Island, TN
Thompson Pipe Group Grand Prairie, TX
South Beloit, IL
Utility Coatings & Fabrication West Jordan, UT
West Coast Pipe
West Coast Spiral Pipe
Rialto, CA

SPFA Flowchart

“Associating with other fabricators has improved our manufacturing and broadened our abilities.”

Jim O’Day
O’Day Tanks

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