STI/SPFA Email Format
ConstructionIllinois, United States11-50 Employees
STI/SPFA is a trade association representing steel plate fabricators and their suppliers. Member companies produce steel storage tanks, field erected water tanks, pressure vessels, heat exchangers, and pipe systems. Its customer base spans petrochemical, power generation, food, pharmaceutical, fuels, wastewater, and water transmission industries. Located in Lake Zurich, Illinois, the organization operates within the construction industry as a professional body for the steel tank and plate fabrication sector. In March 2025 it launched an internal digital information platform to improve information sharing among members. In February 2024 it released the 7th Edition of the SP001 Standard for the Inspection of Aboveground Storage Tanks.