Alling - Lander
Amarillo Gear
Baldor/Grant
Brad Foote
Beloit
Black Clawson
Brook Hansen/Rexord
Boston Gear
Browning/EPT
Philadelphia Gear
Cleveland Gear
Cone Drive
David Brown Radicon
Delroyd
D.O. James
Dorris
Electra Gear
Extek
Fairchild
Fairfield
Falk Corp.
Federal
Flender Corp
Foote-Jones/Illinois Gear
Grove Gear
Hampton PT Inc.
Hewitt Robbins
Holroyd
Hub City
Horsburgh & Scott
Koellmann Gear
Linkbelt
Lohman
Lufkin Industries
MAAG
Marley
Nord
Nuttall
Ohio Gear
Philadelphia Gear
Pow-R-Jac
Prager
Renold
Rexnord
Rockwell Automation/Dodge
Santasalo
Sew/Eurodrive
Sumitomo
Textron
Western
Westinghouse
Winsmith