ACT-100®
ACT-100® features a strong steel tank for structural integrity, and a 100‐mil outer coating for long‐lasting corrosion protection.
Shop Fabricated Tanks
Tank standards and specifications are cited in regulation throughout the United States and in demand by customers worldwide.
Steel Water Pipe
STI/SPFA members build steel water pipe that meets or exceeds the requirements of ASCE, AWWA, and SWPMTAC standards.
Field Erected Tanks
Members fabricate steel industrial and water tanks that meet or exceed the requirements of AWWA, NSF, API, and industry standards.
Pressure Vessels
Member pressure vessels are used by the petrochemical, food, power generation, and hazardous material storage industries.
STI Tank Technologies
STI/SPFA is recognized for our leading tank technologies with features such as corrosion prevention and fire protection.
SP001 FAQ
The STI SP001 standard provides a means for aboveground storage tank owners to comply with EPA mandates.
Join STI/SPFA
Join the STI/SPFA to receive the latest industry news and information, network with peers, and strengthen your business.
Featured Affiliate
The National Board of Boiler and Pressure Vessel Inspectors is the worldwide leader in pressure equipment safety. It was established in 1919 to promote greater safety to life and property through uniformity in the construction, installation, repair, maintenance, and inspection of pressure equipment.
www.nationalboard.org“Without STI/SPFA membership, we probably wouldn’t be in the position we are today.”
Jon Ward
Ward Tank & Heat Exchanger
The Proactive Approach to Employee Turnover
Damian Lang CEO Malta Dynamics Being a fan of professional football and a business owner, I am always disappointed when a good player leaves my Cincinnati Bengals for another team and when a good employee leaves one of my companies for another. Why do players and employees transfer? Obviously, they
Updated Tank Builders Scaffold Guidelines Now Available on the STI/SPFA Store
The Tank Builders Scaffold Guidelines have been updated for 2023. This booklet provides a minimum safe erection, use, maintenance, dismantling, inspection, and training of employees in hazards of tank builders scaffolds. While the publication does not replace guidelines already established by federal or state standards, it addresses the unique nature
A Review and Comparison of the STI SP001 and the API 653 AST Inspection Methods Webinar
STI/SPFA will present “A Review and Comparison of the STI SP001 and the API 653 AST Inspection Methods” on Thursday, December 14, 2023, at 10:00 AM CST.
Representative Johnson Visits Maguire in Sioux Falls, South Dakota
Sioux Falls, SD November 30, 2023 – United States Representative Dusty Johnson (R – SD) visited STI/SPFA member Maguire at their Sioux Falls, South Dakota headquarters. While at Maguire, Congressman Johnson recorded a podcast on water infrastructure and water infrastructure funding. You can listen to the conversation on the Maguire
Safety Library
Access important safety topics affecting the steel fabrication industry including fall protection, confined space, welding, and more.
Tank Integrity Management
