You might not be surprised that at&t, Verizon and Qwest are among leading incumbent carriers providing Ethernet services to U.S. organizations and businesses. But Time Warner Telecom and Cogent also are among the top six providers, and two cable companies are among the top seven providers, according to Vertical Systems Group. More than forty other companies are also delivering retail Ethernet services to business customers in the U.S.
at&t is the market leader with a 22 percent share at year-end 2007, based on ports in service. Verizon is second with a 17 percent port share, followed by Time Warner Telecom with 13 percent of U.S. active ports.
Cox Communications is fourth overall with a 10 percent port share, followed by Cogent with seven percent of ports and Qwest with six percent of ports. Time Warner Cable has five percent share.
Other notable providers offering Business Ethernet Services in the U.S. include AboveNet, American Fiber Systems, Alpheus Communications, American Telesis, Arialink, Balticore, Bright House Networks, Charter Business, CIFNet, Cincinnati Bell, Comcast Business, Embarq, Expedient, Exponential-e, Fibernet Telecom Group, FiberTower, Global Crossing, Integra, IP Networks, Level 3, LS Networks, Masergy, Met-Net, Neopolitan Networks, NTELOS, Optimum Lightpath, Orange Business, Paetec, RCN, Savvis, Spirit Telecom, Sprint, SuddenLink, Surewest, US Signal, Veroxity, Virtela, Windstream, XO and Yipes (Reliance Communications).
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