Founded in 1888, Overton Chicago Gear is a wholly employee-owned company and of the world s largest suppliers of gears and gearboxes. It provides custom gears for the marine, offshore, locomotive, mining, transportation, construction and energy industries. The company has the capabilities to produce spur, helical, bevel, herringbone and double enveloping worm gears, as well as custom-designed gearboxes. Overton Chicago Gear is a founding member of the American Gear Manufacturing Association and has achieved ISO 9001:2000 certification. Its subsidiaries include Overton Gear, Chicago Gear, D.O. James, Balfre Gear and Franke Gear. The company s heat treatment facility provides annealing, nitriding, hardening, quench and tempering solutions. Overton Chicago Gear markets its products under the Ignition Engineering brand name.