- ABBATRON
- ACME
- ALPHA WIRE
- AMPHENOL
- APC
- ASTRODYNE
- AVERY
- BELDEN
- CAIG
- CARLO GAVAZZI
- CHEMTRONICS
- CROUZET
- CSB
- ENERGIZER
- EVERGREEN
- FLIR
- FLUKE
- GARDNER BENDER
- HAKKO
- HEYCO
- KNIGHT
- L-COM
- LEOCH
- LITTELFUSE
- MARINCO
- MARQUARDT
- NEUTRIK
- QUEST MANUFACTURING
- QUEST TECHNOLOGY
- SE RELAYS
- SOLA HD
- SPECO
- STEREN
- STRUTHERS DUNN
- SWC
- TECHSPRAY
- TEMPO
- VOLEX
- ZEUS