Member Products

Shop Fabricated Tanks

Tank standards and specifications are cited in regulation throughout the United States and in demand by customers worldwide. Members build both aboveground and underground tanks.

Field Erected Tanks

Members fabricate steel industrial and water tanks that meet or exceed the requirement of AWWA, NSF, API, and industry standards.

Steel Water Pipe

Welded steel pipe built by members is available in diameters up to 180 inches under either internal or external pressure. Member built steel water pipe meets or exceeds the requirements of ASCE, AWWA, SMPMTAC, and all industry standards for water transmission.

Pressure Vessels

Member pressure vessels meet or exceed the requirements of ASME and all industry standards. They are used by the petrochemical, food, power generation, and hazardous material storage industries.

Storage Tanks

STI Technologies

Aboveground Storage Tanks

Underground Storage Tanks

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Certification Programs

STI/SPFA offers certification programs related to tank maintenance and expertise.

SPFA Pipe Certification Program

The SPFA Pipe Quality Certification is a requirement in many piping specifications in the United States water transmission industry. Program members go through rigorous audits to qualify for and maintain their certification.

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Affiliate Products

Affiliate member companies supply components, materials, or services for fabrication of steel products.