| Cable & Connectors |
| Anderson Power Products | Powerpole, Multipole connectors, etc. |
| Amphenol-Socapex | |
| Belden, Inc. | Cable, lots of related info |
| Canare Corp. of America | Pro audio and video cable, tools... |
| Carol Cable (General Cable) | Cable, cable & cable. |
| Cannon (ITT Industries) | Connectors, switches & controls |
| Cinch Connectors | |
| Components Corp. | Connectors & accessories |
| Cooper Wiring Devices | |
| Crouse-Hinds | Cam-Loks, etc. (direct link to Lighting Products) |
| Custom Cable Corp. | Complete Inventory of Standard & Specialty Wire & Cable |
| Hubbell Incorporated | |
| International Configurations | Non-US connector configurations |
| J-Tech Inc. | |
| Leviton | |
| Litton Veam | Veam, VSC, others |
| Link - LK Connectors | Also try LK Connectors.info |
| Marinco | includes Marinco, Bates, Group 5, Cam Technology brands |
| Molex | |
| Neutrik | XLR, Speakon connectors & more |
| Pass & Seymour / Legrand | Connectors, other wiring products |
| Olflex (Lapp Group USA) | Cable and connectors, incl Epic & Skintop |
| Pyle National | |
| Socapex | |
| Switchcraft | Connectors & cable assemblies |
| TMB | ProPin connectors + |
| Union Connector | Power connectors, distro boxes, installed distro... |