Tri-State Overhead Crane (TSOC) has been manufacturing and servicing overhead cranes since 1959, providing custom solutions for businesses across the material handling industry. With a 60,000 square foot facility in St. Louis, MO, we invest in top equipment to better serve our customers. Our sales experts, in-house engineers, and fabrication shop work together to develop custom solutions for specific material handling needs. We manufacture our cranes in-house and offer other equipment, such as hoists, crane controls, and more, from top brands like CM, R&M, Harrington, and Gorbel. Our services include repairs, inspections, maintenance, parts support, and more, with factory-certified crane technicians available around the clock.