All published LEADERBOARD results are shown below in chronological order, beginning with the most recent release.

Vertical Systems Group’s LEADERBOARDs are the industry’s foremost benchmarks for measuring Fiber and Carrier Ethernet Service Provider market presence. Carrier Ethernet share results are calculated at year-end and mid-year for the U.S. and Global Provider markets. Year-end Ethernet results additionally include U.S. provider share analysis for three separate segments: Incumbent CarrierCompetitive Provider, and Cable MSO. Read more about our Methodology.

ENS Research Program clients have access to detailed statistics and analysis by provider. Contact us for information.


Mid-Year 2017 Global Provider Ethernet LEADERBOARD

September 11, 2017

Global Provider LEADERBOARD share results in rank order: Orange Business Services (France), Colt (U.K.), AT&T (U.S.), Level 3 (U.S.), BT Global Services (U.K.), Verizon (U.S.) and NTT (Japan) Continue reading ...

Mid-Year 2017 U.S. Carrier Ethernet LEADERBOARD

August 16, 2017

U.S. LEADERBOARD share results in rank order: AT&T, Level 3, Verizon, Spectrum Enterprise, CenturyLink, Comcast, Windstream and Cox Continue reading ...

U.S. Fiber Lit Buildings LEADERBOARD

July 1, 2017

U.S. Fiber Lit Buildings LEADERBOARD results in rank order by number of fiber lit buildings: AT&T, Verizon, Spectrum Enterprise, CenturyLink, Comcast, Level 3, Cox, Lightower, Zayo, Altice USA and Frontier. Continue reading ...

2016 U.S. Incumbent Carrier Ethernet LEADERBOARD

March 28, 2017

Incumbent Carrier Ethernet LEADERBOARD share results in rank order: AT&T, Verizon, CenturyLink, and Windstream Continue reading ...

2016 U.S. Cable MSO Ethernet LEADERBOARD

March 28, 2017

Cable MSO Ethernet LEADERBOARD share results in rank order: Spectrum Enterprise, Comcast, Cox, and Altice USA Continue reading ...

2016 U.S. Competitive Provider Ethernet LEADERBOARD

March 28, 2017

Competitive Provider Ethernet LEADERBOARD share results in rank order: Level 3, XO, Cogent, Zayo, and Sprint Continue reading ...

2016 Global Provider Ethernet LEADERBOARD

March 2, 2017

Global Provider LEADERBOARD share results in rank order: Orange Business Services (France), Colt (U.K.), AT&T (U.S.), BT Global Services (U.K.), Level 3 (U.S.), Verizon (U.S.) and NTT (Japan) Continue reading ...

2016 U.S. Carrier Ethernet LEADERBOARD

February 23, 2017

U.S. LEADERBOARD share results in rank order: AT&T, Level 3, Spectrum Business, Verizon, CenturyLink, Comcast, XO, Windstream and Cox. Continue reading ...

Mid-Year 2016 Global Provider Ethernet LEADERBOARD

September 6, 2016

Global Provider LEADERBOARD share results in rank order: Orange Business (France), BT Global Services (U.K.), Colt (U.K.), AT&T (U.S.), Level 3 (U.S.), Verizon (U.S.) and NTT (Japan) Continue reading ...

Mid-Year 2016 U.S. Carrier Ethernet LEADERBOARD

August 18, 2016

U.S. LEADERBOARD share results in rank order: AT&T, Level 3, Charter, Verizon, CenturyLink, Comcast, XO, Cox and Windstream. Continue reading ...

2015 Global Provider Ethernet LEADERBOARD

March 29, 2016

Global Provider LEADERBOARD share results in rank order: Orange Business Services (France), Colt (U.K.), BT Global Services (U.K.), AT&T (U.S.), Verizon (U.S.), Level 3 (U.S.) and NTT (Japan) Continue reading ...

2015 U.S. Carrier Ethernet LEADERBOARD

March 11, 2016

U.S. LEADERBOARD share results in rank order: AT&T, Level 3, Verizon, CenturyLink, Time Warner Cable, Comcast, Cox, XO and Windstream. Continue reading ...

2015 U.S. Incumbent Carrier Ethernet LEADERBOARD

March 10, 2016

Incumbent Carrier Ethernet LEADERBOARD share results in rank order: AT&T, Verizon, CenturyLink, and Windstream Continue reading ...

2015 U.S. Competitive Provider Ethernet LEADERBOARD

March 9, 2016

Competitive Provider Ethernet LEADERBOARD share results in rank order: Level 3, XO, Cogent and Zayo Continue reading ...

2015 U.S. Cable MSO Ethernet LEADERBOARD

March 8, 2016

Cable MSO Ethernet LEADERBOARD share results in rank order: Time Warner Cable, Comcast, Cox, Charter, Lightpath and Bright House Continue reading ...

Mid-Year 2015 Global Provider Ethernet LEADERBOARD

September 3, 2015

Global Provider LEADERBOARD share results in rank order: Orange Business (France), BT Global Services (U.K.), Colt (U.K.), AT&T (U.S.), Verizon (U.S.), Level 3 (U.S.) and NTT (Japan) Continue reading ...

Mid-Year 2015 U.S. Carrier Ethernet LEADERBOARD

August 24, 2015

U.S. LEADERBOARD share results in rank order: AT&T, Level 3, Verizon, CenturyLink, Time Warner Cable, Comcast, XO and Cox. Continue reading ...

2014 Global Provider Ethernet LEADERBOARD

March 18, 2015

Global Provider LEADERBOARD share results in rank order: Orange Business (France), BT Global Services (U.K.), Verizon (U.S.), Colt (U.K.), AT&T (U.S.), Level 3 (U.S.) and NTT (Japan). Continue reading ...

2014 U.S. Carrier Ethernet LEADERBOARD

March 17, 2015

U.S. LEADERBOARD share results in rank order: AT&T, Level 3, Verizon, CenturyLink, Time Warner Cable, Comcast, Cox, and XO. Continue reading ...

2014 U.S. Cable MSO Ethernet LEADERBOARD

March 16, 2015

Cable MSO Ethernet LEADERBOARD share results in rank order: Time Warner Cable, Comcast, Cox, Charter and Lightpath Continue reading ...

2014 U.S. Competitive Provider Ethernet LEADERBOARD

March 13, 2015

Competitive Provider Ethernet LEADERBOARD share results in rank order: Level 3, XO, Cogent and Zayo Continue reading ...

2014 U.S. Incumbent Carrier Ethernet LEADERBOARD

March 12, 2015

Incumbent Carrier Ethernet LEADERBOARD share results in rank order: AT&T, Verizon, CenturyLink, and Windstream Continue reading ...


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