| Barrier Strips | | Agro | | AMP Industries | | Beau | | Cinch | | Klemsan | | Philmore | | Phoenix |
| Batteries | | CSB Batteries | | Duracell/Mallory | | Eveready | | Exide/Sonnenschein | | Hawker Energy Products/Gates | | Panasonic | | Power-Sonic | | Saft | | Sanyo | | Tadiran | | Ultralife | | Varta | | Yuasa |
| Capacitors | | Mallory | | Nichicon | | NTE | | Sprague |
| Cases - Tools & Equipment | | Chicago Case | | Platt | | Xcelit/Cooper |
| Chassis Boxes | | Hammond | | LMB Heeger | | Velleman |
| Chemicals | | Caig/Cramolin | | Chemtronics | | GC Electronics | | M G Chemical | | Micro Care | | Tech Spray | | 3M |
| Computer Equipment and Supplies | | Aim Electronics | | ATS Inc. | | Black Box | | Cables Unlimited | | Dymo Labeling Equipment | | Eclipse Tools | | Leviton | | 3M | | Manhattan Computer Products | | Pan Pacific | | Platinum Tools | | Quest Tools | | Siemons | | Tyton |
| Connectors | | Amp | | Aim Electronics | | Amphenol | | Augat | | Calrad | | Cambridge | | Cinch | | ITT-Pomona | | Molex | | Neutrick | | Quest Technology | | Pan Pacific | | 3M | | Switchcraft | | SR Compnents |
| CRT's & Industrial Tubes | | Imac | | National | | RCA | | Video Display |
| Data Communications | | Aim Electronics | | AFL Telecommunications | | Alpha | | BES Manufacturing | | Byte Brothers | | Condumex Wire & Cable | | CSI-Speco | | Dymo Labeling Equipment | | Eclipse Tools | | Fujikura Test Equipment | | Greenlee/Textool | | Harris-Dracon | | Ideal | | Leviton Data Products | | 3M | | Multilink Broadband | | Noyes Test Equipment | | Paladin/Connectool | | Pan Pacific | | Pass & Seymour Legrand | | Platinum Tools | | Philmore | | Progressive Electronics/Greenlee | | Quest Technologies | | Rack-A-Tiers Equipment | | Remee Products | | Rip-Tie | | Siemon Company | | Signamax | | Test-Um Inc. | | Unicom |
| Electronics Kits | | Philmore/Datak | | Global | | Velleman |
| Fans & Blowers | | Globe | | Hammond | | Master Appliance | | Orion |
| Fiber Optics | | AFL Telecommunications | | Alpha Wire & Cable | | Condumex Wire & Cable | | Eclipse Tools | | Fujikura Test Equipment | | Ideal Industries | | Greenlee Textron Inc. | | Optical Cable Corporation | | Quest Technologies | | Signamax | | Pan Pacific Manufacturing | | 3M Manufacturing | | Hellermann/Tyton Inc. |
| Flashlights | | Duracell | | Eveready | | Lightwave | | Maglite |
| Fuses & Circuit Breakers | | Agro | | Bussman | | GC Electronics | | NTE | | Linrose | | Littlefuse | | Philmore |
| Hardware | | Agro | | Caddy | | Concord | | H.H. Smith | | Mode Electronics | | Mueller | | Russell Industries | | Waldom |
| IDC | | GC Electronics | | 3M | | Pan Pacific |
| Indicator Lights | | Chicago Miniature | | Eiko | | G C Electronics | | Linrose | | Mico Lamp | | Sylvannia/Osram |
| Lighting & Magnification | | Aim Electronics | | Dazor | | Donegan | | GC Electronics | | Maglite | | Sciensope | | Waldmann |
| Panel Meters | | Triplett | | Velleman |
| PC Boards and Supplies | | Datak | | G.C. Electronics | | Pace Inc. | | 3M | | M G Chemicals | | Vector | | Velleman |
| Power Supplies | | B&K Precision | | Frei | | Global | | L G Precision | | Morrow Wave | | Protek | | Test Products International | | Tripp-Lite |
| Racks & Equipment | | Equipto | | Hammond | | Hoffman | | Middle Atlantic Products | | PFT/Zero Corp. | | Quest Technology |
| Relays | | Deltrol | | Idec | | Magnecraft | | NTE | | Potter-Brumfield |
| Resistors | | Bourns (Networks) | | Huntington | | IRC | | Memcor-Truohm | | NTE | | Ohmite |
| Safety Products | | 3M Products | | Techna Safety Glasses |
| Semiconductors | | International Recifier | | Jim-Pak | | NTE |
| Soldering & Desoldering Equipment | | Edsyn | | Hakko | | Kahnetics | | Master Appliance | | Pace | | Plato Products | | Ungar/Weller | | Wahl | | Weller |
| Soldering Supplies | | Kahnetics | | Kester |
| Sound Equipment & Speakers | | Atlas/Soundolier | | Bogen | | Electro-Voice | | Lowell | | Perma Power | | Pomona | | Shure | | Speco Technologies | | University Sound |
| Static-Control Products | | Aesops | | Botron Company | | 3M | | Static Control Components Inc. |
| Switches | | Alco | | Arrow-Hart | | Cherry Switch | | E Switch | | Eaton | | Electroswitch | | G.C. Electronics | | Grayhill | | Micro Switch | | Philmore | | Switchcraft |
| Terminals | | Concord | | ETC-Molex | | H.H. Smith | | Mode Electronics | | Panduit | | 3M | | SR Compnents |
| Test Equipment | | AFL Telecommunications | | B&K Precision | | CSI-Speco | | Fujikura Test Equipment | | Global Specialties | | Greenlee | | Harris Dracon | | Huntron | | Ideal | | John Fluke Mfg. | | L G Precision | | Wavetek/Meterman | | Morrow Ware | | Noyes Test Equipment | | Paladin/Connectool | | Progressive Electronics | | Protek | | Simpson | | Test Products International | | Test-Um Inc. | | Triplett | | Velleman |
| Tools | | Arrow Fastener Co. | | Bonney | | Colonial Knife | | Cooper Group | | Eazypower | | Eclipse | | Erem | | Excelta | | Greenlee | | Harris Dracon | | Ideal/Shattuck | | Klein Tools | | Master Appliance | | Moody Tools | | Quest Technology | | Paladin/Connectool | | Panasonic | | PanaVise | | Platinum Tools | | Pro America | | Rack-A-Tiers | | Utica | | Wiha Corp. | | Xcelite | | Triplett | | Velleman |
| Transformers | | Hammond | | Magnetic/Triad |
| Tubing-Shrinkable | | Alpha | | Coleflex | | Panduit | | Master Appliance |
| Video Distribution Systems | | Aim Electronics | | Channel Master |
| Video Surveillance | | Computar Lenses | | Panasonic Security Products | | Pelco | | Philips/CSS | | Speco Technology |
| UPS & Power Protection Systems | | APC | | Sola | | Tripp-Lite | | Waber | | Wiremold/Shape |
| Wire & Cable | | Alpha | | Belden | | Condumex | | G.C. Electronics | | Olympic | | Manhatten/CDT | | Tyton | | 3M | | Wiremold |
| Wire Ties | | Mode Electronics | | Panduit | | Tyton |
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