- ACT Videoconferencing Inc
- Budget Conferencing Inc
- Communications Research Inc
- Connect-Us
- Conxeo
- Dera Com Conference Call Svc
- Designet International
- Diamond Bridge Teleconfrncng
- Dominican Communications Corp
- East Coast Cable Communication
- Eci Conference Call Svc LLC
- ECI Conferencing
- Infinite Conferencing
- Inter-Call
- Intercall
- Intercall
- Intercall
- Message Co
- Norex Conferencing
- Polycom Inc
- Premiere Conferenceing
- Premiere Conferencing
- Premiere Conferencing
- Premiere Conferencing
- Premiere Conferencing
- Premiere Conferencing
- Premiere Global Svc
- Utr Inc
- V-Span Inc
- Video Link
- York Telecom Corp
