- Abel
- Allan Herschell
- Allen Gear
- Amarillo
- Babcock & Wilcox
- Beardslee & Piper
- Blaw - Knox
- Brad - Foote
- Brevini
- Cleveland Gear
- Combustion Engineering
- Cushman
- David Brown
- Denver
- Dodge
- Dominion
- Dorris
- Duff Norton
- Ecodyne
- Elliot
- Falk
- Farrel
- Fergusen
- Fessler
- Flender
|
- Fordees
- Foote/ Jones
- General Electric
- Hamilton Gear
- Hansen
- Hayward Gordon
- Hitachi
- Horsburgh & Scott
- Jahnel-Kestermann
- Kawasaki
- Kissling
- Koellmann Gear
- Krupp
- Leisritz
- Lightnin
- Link - Belt
- Lohmann & Stolterfoht
- Lufkin
- Mannesmann Demag
- Marley
- Mesta
- Mitsubishi
- Morgan Construction
- Morgardshammer
- Noma
|
- NRM
- Nuttal
- Osterman
- Patterson Gear
- P & H
- Philadelphia Gear
- Prager
- Production Machinery
- Renk/Tache
- Renold
- Rexnord
- Saxlund
- SEW Eurodrive
- Sumitomo
- Textron
- Ulro
- Voest - Alpine
- Waterbury Farrel
- Wean
- Westech
- Western
- Westinghouse
- Whiting
- Winsmith
|
