Richardson Manufacturing Company (RMC) is a trusted source for high quality CNC machining & gear cutting of mid- to large-sized components. RMC specializes in CNC horizontal & vertical turning/milling/boring, gear shaping, hobbing & gashing. RMC is a family-owned small business specializing in high-precision, tight-tolerance machining located in Springfield, IL. Our 60 major machine tools & work centers routinely hold tolerances of +/-.0005". RMC has the capability to handle workpieces up to 128" in diameter and weighing up to 30,000 lbs.