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Founded in 1957, Seyer Industries is a third generation, family-owned business that designs and manufactures support systems exclusively for defense applications. We serve as a supplier to major prime contractors such as The Boeing Company, Lockheed Martin Corporation, and Northrop Grumman as well as a direct government contractor to the departments of the Navy, Air Force, and Army.

Seyer Industries BuildingSeyer Industries is located in St. Peters, MO - just 20 minutes west of the St. Louis Lambert Airport. We operate out of four buildings which total 135,000 square feet. We have been practicing Lean Manufacturing principles since 1999 and regularly conducts internal Accelerated Improvement Workshops.  In-house capabilities include Design Engineering (Catia v.5), CNC machining, certified aerospace welding, electrical and mechanical assembly, kitting, proof-loading and testing.

Seyer Industries achieved third-party AS9100 certification in September 2006.  As a testament to its best value approach to quality and delivery performance, we have garnered industry recognition, including Premier Supplier Certification from Bell Helicopter in 2010, The Boeing Company's 2001 Supplier of the Year Award and Lockheed Martin's 2007 F-35 Small Business of the Year Award.