O'Fallon Casting is a world-wide industry leader in the manufacture of Aluminum, Brass, Bronze and Aluminum/Silicon Carbide Metal Matrix Composite (MMC) Investment Castings. In 2012, O'Fallon Casting was the Small Business Administration's Region VII Subcontractor of the Year.

Located near St. Louis in O'Fallon, Missouri, this modern 50,000 square foot foundry has manufactured complex, thin-walled castings for Commercial, Government and Aerospace markets since 1969.

O'Fallon Casting is an ISO-9000 and AS-9100 registered Small Business with Special Processes (Heat Treatment, Non-Destructive Testing & Welding) independently accredited by NADCAP. It is qualified for the Model Based Definition manufacture and features technologies such as Digital Radiography, Non-contact Laser Metrology and Compression Straightening.