• ABB
• AEGIS
• Baldor Motors
• Butcher Power Products
• Connecticut Electric
• EXM Enclosures
• Federal Pacific Transformers
• Franklin Control Systems
• GE
• Hammond Manufacturing
• IBOCO
• Invertek Drives
• LS Electric
• MGM Transformer
• Milbank
• Saginaw Control & Engineering
• Stahlin
• TECO-Westinghouse
• WEG
• Zenith

A

• ABB
• American
• Allis Chalmers

B

• Baldor-Reliance
• Bussmann
• Bryant
• Butcher Power Products

C

• Challenger
• Crouse Hinds
• Continental
• Connecticut Electric

D

E

• Eaton / Cutler Hammer

F

• Federal Pacific
• Furnas

G

• General Electric (GE)
• Gould Electric

H

• Hammond

I

J

K

L

M

• Murray
• Merlin Gerin
• Milbank

N

O

P

Q

R

S

• Schneider Electric / Square D
• Siemens / ITE
• Sylvania

T

• Trumbull Electric
• Thomas & Betts

U

V

W

• Westinghouse
• Wadsworth

X

Y

Z

• Zinsco