PAETEC Holding Corporation was a Fortune 1000 telecommunications company headquartered in Perinton, New York, United States.

[3] It was founded as the private company PaeTec Communications, Inc. in 1998 by Arunas A. Chesonis.

PAETEC provided service to medium and large businesses, colleges and universities, hospitals, hotels, governmental organizations and other institutions within its service area.

PAETEC owned the naming rights to PAETEC Park, a soccer-specific stadium in nearby Rochester, New York, from its opening in 2006 to 2008.

The name PAETEC was derived from the initials of the first names of its founder's wife Pam and four children Adam, Erik, Tessa and Emma.