| ABL (Canada) | MediaNet |
| ADC Broadband | Pacific Bell |
| Alcatel (France) | Sprint Communications |
| Bell Canada | Tektronix |
| DirecTV | Teleglobe (Canada) |
| ECI Telecom (Israel) | University of Southern California / ETC |
| General DataComm | Video Services Forum |
| Jazz Media Network (Canada) | Vyvx |
| Lucent Technologies | Wam!Net |
| MCI Worldcom |