| ACC Business | ICG Communication | New Edge | TelePacific |
| AT&T | ITC Deltacom | Paetec | US LEC |
| Cbeyond | MCI | Qwest | XO Communications |
| Covad | Megapath | Savvis | Xspedius |
| DSL.net | Netifice | Sprint | Communications |
Paetec
Based in Fairport, NY, PaeTec Communications, Inc. is an integrated communications provider offering local, domestic, and international long distance services, high-speed Internet access,
advanced data services, and communications management services to medium, and large-sized businesses, colleges and universities, hospitals, governmental organizations, and affinity groups throughout the United States.
PaeTec currently serves customers in over 27 markets, including: Albany, Baltimore, Boston, Buffalo, Connecticut, Long Island, Los Angeles, Miami, New Hampshire, New York City, New Jersey, Orange County, Philadelphia, Rhode Island, Rochester, San Diego, Northern Virginia, Syracuse, Washington DC, Chicago, Pittsburgh and Western Massachusetts. PaeTec is a privately held company and has more than 950 employees nationwide.
