• September 9, 1999 – Purchased CAMPUSLINK Communications Systems, a privately owned telecommunications company based in Ann Arbor, Michigan. • August 19, 2004 – Purchased Covista North East Call Zone (Covista Still Privately owned company, also operating as Total Tel) • January 4, 2005 – Purchased American Long Lines, a privately owned telecommunications company. • February 28, 2007 – Acquired
Charlotte, North Carolina–based telecommunications company US LEC, becoming the publicly traded PAETEC Holding Corp • October 12, 2007 – Acquired Allworx Corp • February 8, 2008 – Acquired
McLeodUSA • December 6, 2010 – Acquired Cavalier Telephone Corporation • December 28, 2010 – Acquired FTS Ltd. subsidiary, Leap RevChain • May 31, 2011 – Acquired XETA Technologies, Inc. • December 1, 2011 – Acquired by
Windstream Communications PAETEC owned the naming rights to
PAETEC Park, a
soccer-specific stadium in nearby
Rochester, New York, from its opening in 2006 to 2008. == Name origin ==