Trio Foundry, Inc. specializes in producing quality brass, bronze, and aluminum sand castings. With over a century of experience, the family-owned business offers sand casted parts to manufacturers across the United States and internationally. Trio Foundry expanded its capabilities by acquiring the Sandwich Casting Division, adding CNC milling and turning departments, and achieving ISO 9001 registration. The company's state-of-the-art facility in Montgomery, Illinois, features automatic molding, large casting molding lines, and electric melting furnaces. Trio Foundry's services include aluminum sand, brass, and bronze casting for various manufacturing industries.