- Achates Power LLC
- ACT Teleconferencing Inc
- Affordable Conferencing
- Benjamin Sher
- Black & White Communications
- Breakaway Consulting
- Breakaway Consulting
- C3 Conferencing Inc
- Comhaus Inc
- Comhaus Inc
- Confer Tel
- Conference America
- Conference Call Svc
- Conference Group
- Connex International
- Connex International
- Connex International
- Contact Conference Svc
- Delivery Foodline
- ECI-Executive Conferencing
- Ecovate
- Evision Tel
- Free Conference Call Inc
- Frontier Confertech
- GBH Distributing
- Intercall
- Intercall
- Intercall
- Intercall
- Intercall
- Intercall
- J D Briggs Telecommunication
- Millennium Communications
- Millennium Communications
- Moreson Conferencing
- Morris House Conference Ctr
- Multi Point Communications
- National Tele Ctr Inc
- National Tele-Centers Inc
- One Source Telecom LLC
- Pac-West Telecomm Inc
- Pac-West Telecomm Inc
- Polycom Inc
- Premiere Conferencing
- Premiere Conferencing
- Premiere Conferencing
- Premiere Conferencing
- Premiere Conferencing
- Premiere Conferencing
- Premiere Conferencing
- Premiere Conferencing
- Premiere Conferencing
- Premiere Conferencing
- Premiere Conferencing
- Premiere Conferencing
- Premiere Conferencing
- Premiere Conferencing Inc
- Premiere Conferencing Inc
- Soundpath Conferencing LLC
- Sparks Communications
- Telemedia Applicaitons Inc
- Unlimited Conferencing
- Visual Systems Group Inc
- X O Communications Inc
