Vertical Systems Group announces that the following companies have achieved a position on the Mid-2012 Global Provider Ethernet Leaderboard (in rank order based on port share): Orange Business (France), Verizon (U.S.), Colt (U.K.), BT Global Services (U.K.), AT&T (U.S.), NTT (Japan) and Level 3 (U.S.)....

Year-end 2011 results for Vertical Systems Group's U.S. Business Ethernet Leaderboard are as follows (in rank order based on port share): AT&T, Verizon, tw telecom, Cox, XO, CenturyLink (includes Qwest and Savvis), Time Warner Cable, Level 3 (includes Global Crossing), and Cogent. ...

Vertical Systems Group's latest research on enterprises with multinational networks quantifies that the following six companies have attained a position on the Mid-2011 Global Provider Ethernet Leaderboard (in rank order): Orange (France), Verizon (U.S.), Colt (U.K.), NTT (Japan), AT&T (U.S.) and Global Crossing (U.S.). ...