CenturyLink ended 2019 on top of Vertical Systems Group’s Ethernet Leaderboard while Spectrum Enterprise vaulted over Verizon for third place.
AT&T was second overall while Verizon came in fourth followed, in order, by Comcast Business, Windstream Enterprise and Cox Business. In order to qualify for the a Leaderboard ranking, service providers needed to have 4% or more market share of U.S. Ethernet services. Comcast had the highest year-over-year market share growth across the 2019 Leaderboard providers.