O'Fallon Casting's facility is located in O'Fallon, Missouri near St Louis.
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The first phase of O'Fallon Casting's 25,000 sq. ft. expansion is nearly complete.  Phase 2 of the expansion should be underway in June.

O'Fallon Casting participated in the Aeromart Montreal conference on April 4th-6th, held by BCI Aerospace.

The first phase of O’Fallon Casting’s 25,000 sq. ft. expansion is currently in progress.  The expansion is on schedule to be fully completed by the summer of 2018.

Technical Articles

With its unique set of properties MMC alloys have been employed in diverse applications such as moving structures in high speed equipment for manufacturing, brake rotors for vehicles, heat sinks for electronics and as housings & mirrors for optics.

OFC invests heavily with its Customers to forward our mutual success.  O’Fallon Casting represents so much more value in a supply chain than simply “good parts on time, every time”.

Investment Casting-201 is a three day class taught at O’Fallon Casting on the basics of Investment Casting manufacture.  An IC-201 class provides an introduction to all of the investment casting manufacturing operations and includes hands-on experience with pattern injection, sprue assembly, gate grinding, straightening, radiography and penetrant inspection.  In addition IC-201 “students” receive 3-hours of classroom work, participate in a collaborative engineering workshop and are exposed to toolmaking, solidification modeling and defect analysis.


As a premier manufacturer of investment castings, O’Fallon Casting holds itself to the very highest of standards.

Our Services:

O'Fallon Casting's Laser Marking provides its customers with a new option for a consistently legible,...

Digital Radiography captures an X-ray image digitally, removing film from the equation and simplifying the...

To reduce the time and cost of bringing new parts to market, customers increasingly are...