
AT&T tops Vertical Systems Group's U.S. Carrier Ethernet LEADERBOARD results for Mid-Year 2017.
The following eight companies achieved LEADERBOARD status (rank order based on retail port share): AT&T, Level 3, Verizon (includes XO), Spectrum Enterprise, CenturyLink, Comcast, Windstream and Cox.
To qualify for the LEADERBOARD, providers must have four percent (4%) or more of the U.S. Ethernet services market. Shares are measured by the number...