OPF specializes in manufacturing high quality aluminum & bronze sand castings as well as machining, rapid prototyping & pattern making services.

Custom sand casting

Since the 1940's, when the origins of OPF were formed, the foundries that make up the current corporation have provided production casting to manufacturers throughout the western US. 

Rapid Prototyping

OPF offers expert services in the rapid prototyping of new designs and products  with 3D printing capability in ABS plastic, and the ability to quickly make cast parts from a computer file in just days.

Machining

OPF offers the option to take your product all the way from casting through completed machining with our new machine shop.