Audio
  Shure
  Speco

Batteries
  Dantona Industries
  Powersonic

Breadboard Supplies
  Coast
  3M

Capacitors
   NTE

Computer Networking
  Paladin
  Pan Pacific
  Unicom

Chemicals
  GC Electronics
  M.G. Chemicals
  Tech Spray

Connectors
  Pomona
  Amphenol
  Cinch
  Pan Pacific
  GC/Waldom
  JT&T
  JB

Enclosures - Packaging
  LMB
  DataTel
  Hammond
  Philmore

Fans
  Orion

Fuses & Fuse Holders
  Bussmann

Heat Shrink
  Cole-Flex
  ICO Rally
  Alpha Wire

Semiconductors &
Integrated Circuits
  NTE

I.C. Sockets
  Pan Pacific
  3M

Lamps
  Arco Electric
  EIKO

Microphones
  Shure
  Speco

Potentiometers
  NTE

Power Supplies
  BK Precision
  Speco
  Tripp Lite

Publications
  Prompt
  Prentice Hall
  TAB Books

Relays
  NTE

Resistors
  NTE

Soldering Supplies
  Kester
  Weller
  Hakko
  Master

Surge Suppressors
  Tripp Lite

Switches
  GC Electronics
  Selecta
  Arcolectric

Test Equipment
  Progressive
  Pomona
  Wavetek/Fluke
  BK Precision
  TPI

Tools
  Bondhus
  Eazypower
  GC Electronics
  Ideal
  Paladin
  Panavise
  WIHA

Transformers
  PHC

Uninteruptable Power Supply
  Tripp Lite

Wire & Cable
  Noble
  Pomona
  Manhattan Wire
  Carol Cable
  Alpha