STI/SPFA Membership Applications
How to Join STI/SPFA
STI Licensed Shop-Fabricated Tank Membership
The Steel Tank Institute has been the leader in developing storage tank technologies for decades. Our tank standards and specifications are cited in regulation throughout the United States and in demand by customers worldwide. View descriptions of our licensed technologies.
If you want the business advantages of STI’s proven tank technologies, join our STI Shop Fabricated Atmospheric Tank membership section.

Field Erected, Pressure Vessel, Water Pipe and Special Fabrication Membership
The same benefits and value are yours, no matter what steel fabrication product you manufacture. Education, advocacy, marketing and more–all are provided to STI/SPFA members.
Field Erected, Pressure Vessel, Water Pipe and Special Fabrication Membership Application

Affiliate Membership
Suppliers of products and services to the steel fabrication industry play an important role in STI/SPFA. Support your customers and your industry as an Affiliate Member.

Industry Associate Status
Not a manufacturer or a supplier, but need to keep up with the latest in the steel fab industry? We have a special status category for individuals such as regulators, architects, consultants, inspectors and engineers.

Questions? Call 847-438-8265 or email us for more information.
Featured Affiliate
SSAB Americas is one of the largest North American producers of quality steel plate and coil, serving industrial markets including energy and transportation.
www.ssab.comSonny Underwood
Mid-South Steel Products, Inc.