• 

  DEUTSCH (TE Connectivity)

• 

  Penny & Giles (now Curtiss-Wright)

• 

  Graphtec

• 

  Just Normlicht

• 

  Kracht

• 

  Thorn Lighting

• 

  Lightwave Electronics

• 

  Houghton International (RUST VETO)

• 

  Iht

• 

  Lighttech