- Acterna
- Alltel
- Audiosears Corp
- Automation & Electronics Engrn
- BECO Manufacturing Corp
- Brooktrout Inc
- Burnside Senior Citizens Ctr
- Burnside Table & Chair Rental
- Carrier Access Corp
- Carrier Access Corp
- Carrier Access Corp
- Carrier Access Corp
- CES Wireless Tech
- Channel Communications LTD
- Chriscom
- Coastcom
- Communication Equipment Co
- Communications Control Inc
- Custom Cable Industries
- Danka
- DFE Inc
- Dicon Fiber Optics Inc
- Emerson Network Power
- EMT Call Control Nw Inc
- Estech Systems Inc
- Estech Systems Inc
- Gorman-Redlich Mfg Co
- Hikari Corp
- House Of Telephones
- I C Engineering Inc
- I D Tel
- Integrated Telecom Express Inc
- Inter-Tel Inc
- Inter-Tel Inc
- Inter-Tel Inc
- Inter-Tel Technologies Inc
- Inter-Tel Technologies Inc
- K-Com
- K-Tech Intl
- Key Telemetering Prods
- Lucent Technologies
- Lucent Technologies
- Marting Communications Systems
- Morgan Consulting Inc
- Muratec America Inc
- Muratec America Inc
- Network Equipment Technologies
- Network Equipment Technologies
- NMS Communications Corp
- NMS Communications Corp
- Northern Consulting Comms
- Nutmeg Utility Products Inc
- Oasys Telecom
- Ortronics
- Osburn Associates Office
- Palco Telecom Svc Inc
- Phone Cover Source
- Plant CML
- Plantronics Inc
- Plantronics Inc
- Plantronics Inc
- Plantronics Inc
- Plantronics Inc
- Plantronics Inc
- Plantronics Inc
- Plantronics Inc
- Plantronics Inc
- Plantronics Inc
- Planttronics Santa Cruz
- Porta Systems Corp
- Primo Co Inc
- Primo Microphones Inc
- Protel Inc
- Quo Corp Inc
- Quor Tech Solutions
- Scientel Co Inc
- Selco Inc
- Signatron Technology
- Sound Powered Communications
- Southern Instruments & Control
- Starcom Inc
- Suncoast Systems Inc
- Systems Technology Assoc Inc
- Tanji Design Inc
- TCI
- Telephone Dynamics Corp
- Telephone Systems Suppliers
- Tetrad Inc
- Ultratec Inc
- Union Springs Telephone Co Inc
- Versitron Inc
- Wintel Service Corp
- XETA Technologies Inc
