Sanjo Steel

Founded in 1885, Trane designs and manufactures commercial systems that provide heating, ventilation and air conditioning for buildings. The company has a work force of more than 25,000 employees. It also specializes in residential heating and commercial solutions that improve indoor environmental quality. Trane additionally collaborates with building owners, engineers and contractors to offer various services, including temporary cooling, chiller upgrades and performance contracting. It serves the commercial, residential, institutional and industrial markets. The company also operates nearly 200 aftermarket supply stores. It additionally specializes in dehumidifying and air cleaning products, as well as aftermarket services. Trane offers massive chillers in commercial air conditioning systems. Since 2008, the company is a part of Ingersoll Rand.

General Devices, founded in 1953, is a private, family-owned company that manufactures finished metal products and sheet metal fabrications. The company also supplies a wide selection of solid bearing, ball bearing and heavy-duty bottom-mount slides to original equipment manufacturers worldwide. It has manufacturing facilities located in Indianapolis. The company offers electronic packaging hardware as single components and as a complete packaging solution. Its products include chassis trak telescoping slides, hardware and accessories, and custom fabrication, finishing and assembly products. The company provides complete sheet metal fabrication services, and its manufacturing resources include traditional punch presses with modern stamping dies, laser machines and plasma-arc cutting machines. Its products are designed for use in the computer, audiovisual, broadcasting, telecommunication, medical, aerospace and various other industries. General Devices is an ISO 9001:2000-certified company.

Founded in 1968, Gammons Metal & Manufacturing Co. Inc. specializes in metal fabrication services. Located in Indianapolis, Ind., it offers a range of services, including fabrication, laser cutting, stamping, welding as well as powder coating, among others. In addition, the company provides engineering and assistance as well as inspection/shipping services. Gammons Metal & Manufacturing Co. Inc. fabricates carbon steel, cold rolled, hot rolled pickled and oiled as well as processes aluminum, stainless steel, brass and copper.