O'Fallon Casting's facility is located in O'Fallon, Missouri near St Louis.
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The 64th Annual Technical Conference & Equipment Exposition includes OFC's Casting of the Year win, Frank Valenta's induction into the Hall of Honor and presentations given by Taylor Thornhill and Vince Gimeno.

For the second year in a row, O'Fallon Casting participated in the St. Charles County Manufacturing Day at St. Charles Community College, held on October 2nd, 2017.

The completion of the new water wash department marks the beginning of the second phase of O'Fallon Casting's 25,000 Sq. Ft. expansion

Technical Articles

As it is with other hard alloys such as inconel or even stainless steel, the secondary machining of MMC castings is a significant cost component of their manufacture.   The near-net-shape advantage and the greater freedom of design that is inherent with the Investment Casting process provides opportunities to greatly reduce or eliminate machining content of MMC castings. 

Aluminum alloy / Silicon Carbide MMC castings can be produced in 20%, 30% & 40% concentrations of Silicon Carbide by volume and heat treatable, commonly being furnished to a T77P heat treatment.

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.


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...