• 

  BLACKBURN (Thomas & Betts)

• 

  LITHONIA LIGHTING

• 

  THOR TECHNOLOGY

• 

  Thompson Surgical Instruments, Inc.

• 

  Northon

• 

  THORNEYCROFT JOHN I & CO LTD

• 

  Kulthorn Electric

• 

  Thordon Bearings Inc

• 

  ASF Thomas

• 

  Enthone