AT&T, Verizon, tw Telecom, Cox, XO, Qwest, Time Warner Cable and Level 3 (in rank order) comprise Vertical Systems Group's year-end 2010 U.S. Business Ethernet Leaderboard, according to latest research on enterprise network installations....

Competitive Providers and Cable MSOs gained U.S. Ethernet port share from Incumbents in the first half of 2010, continuing a trend that began in the second half of last year, according to latest Vertical Systems Group research on enterprise installations. ...