About

About Superior Gearbox Company Since 1975, Superior Gearbox Company has been an industry leader, providing a wide range of standard and custom designed gear drives for a variety of industries. We are a family owned business and proud to manufacture our boxes in the state of Missouri. Superior Gearbox Company has been manufacturing high-performance gear drives since 1975. Headquartered in Stockton, Missouri, we are proud to produce all our products in the United States. Our gear drives are built to deliver consistent quality and durability across a wide range of industries. Every gearbox that leaves our facility reflects decades of experience, precision-focused production, and an understanding of real-world mechanical demands. Superior Gearbox Company has been manufacturing high-performance gear drives since 1975. Headquartered in Stockton, Missouri, we are proud to produce all our products in the United States. Our gear drives are built to deliver consistent quality and durability across a wide range of industries. Every gearbox that leaves our facility reflects decades of experience, precision-focused production, and an understanding of real-world mechanical demands.