Allegheny Coupling
Allen-Bradley
American Reeling Devices
Armstrong International
Ashcroft
Baldor-Reliance
Bestweld
Betts Industries
Biobor
Chiksan (FMC)
Crouse-Hinds
Des-Case
Dixon Valve & Coupling Co.
Emco Wheaton
Fill-Rite
Flowline
Goodyear
Great Plains Industries
Hannay Reels
Liquid Controls
Marathon Petroleum
Morrison Bros. Co.
Mueller Steam Specialty
Murphy & Read Spring Mfg.
OPW Kamvalok
Red Dot Corporation
Schrader Bellows
Shand & Jurs
Tuthill
Veeder-Root