| AIM | Connectors |
| Akro-Mills | Boxes, Bins, Cabinets |
| Amphenol | RF Connectors |
| APC | UPS, Line Conditioning Equipment |
| Atlas/Soundolier | Sound Equipment |
| Avery Dennison | Cable Ties |
| Belden, Belden Cords | Wire, Cable, & Cords |
| Bogen Sound | Sound equipment, intercoms |
| Bud Industries, Inc. | Cabinets, Enclosures |
| Bussmann | Fuses, Fuse Blocks, Circuit Breakers |
| Calrad | Hardware & Tools |
| Channel Master | CATV Antennas, Amplifiers & Accesories. |
| Chemtronics | Chemical Cleaners/Degreasers |
| Clarostat | Resistors/Potentiometers |
| CooperTools | Tools Weller Xcelite |
| CooperArrow | Commercial and Industrial Electrical products |
| Cornell Dubilier | Capacitors |
| Crydom* | Solid State Relays |
| Deltrol | Relays, Seleniods |
| Duracell | Batteries |
| EazyPower | Tools |
| Eveready | Batteries |
| General Cable | Wire & Cable |
| Howard W. SAMS | Technical Books, Schematics |
| Ideal Industries | Tools, Connectors |
| ITT Pomona | Cables, Connectors, & Hardware |
| Joslyn Clark | Contactors |
| Kester | Solder & Fluxes |
| Littelfuse | Fuses, Fuse Blocks, Circuit Breakers, Indicator Lights |
| Mallory | Sonolert Buzzers |
| 3M Electronic Specialty Markets | Connectors, Terminals |
| Neutrik* | Connectors |
| NTE Electronics | Replacement ICs Resistors, Relays |
| Ohmite | Resistive Products |
| Oldaker | Test Leads |
| Pac Tec Inc. | Enclosures |
| PanaVise | Tools |
| Panduit Corp | Terminals, Connectors |
| Pelco | CCTV Equipment |
| Phillips ECG Products | Test Equip, Relays |
| Philmore-Datak | Assorted Componets & Tools |
| Platt Luggage | Tool Cases |
| Pomona* | Plugs, Adapters, Probes |
| Power-Sonic | Gel Cell & NiCad Batteries |
| Protek | Test Equipment |
| Rayovac | Batteries |
| Red Lion Controls | Industrial Process Controls |
| ROHN Towers | TV & Radio Antenna Towers |
| Shure Brothers | Microphones |
| SOLA* | Power Supplies/Line Conditioners |
| Speco/CSI | Sound equipment, Intercoms, Test Equipment |
| Switchcraft | Switches/Audio Connectors |
| Tecate Industries | Capacitors |
| Tech Spray | Chemicals |
| Telex Telex EVI | Wireless Microphones |
| Triplett | Test Equipment Panel Meters |
| Tyton | Wire Ties |
| Unicom | Networking Equipment |
| University Sound EVI | Microphone, Sound Equipment |
| Waber | Power Outlet Strips |
| Waldom | Connectors/Terminals/Fuses |
| Wavetek/Fluke | Test Equipment |
| Weidmuller Inc., Paladin Tools | Tools |
| Wiko Lighting | Bulbs |
| Xicon | Capacitors, Resisters, Potentiometers |
| Yamatake Sensing & Control | Limit switches, Proximity and Photo Sensors, Industrial Process Controls |