• 

  Volt Electric Motors

• 

  Lamb Electric (Ametek)

• 

  Cema (General Electric)

• 

  Daeyang Electric

• 

  Ge Panametrics

• 

  Pizzato Elettrica

• 

  Taber Industries

• 

  TEE Electric Motors

• 

  Telemecanique (Schneider Electric)

• 

  John S. Barnes Corp. (Concentric)