| Company type | Private |
|---|---|
| Industry | Telecommunications |
| Founded | 2011 |
| Headquarters | Rochester, NY, United States |
Key people | Mark Murphy |
| Products | Fiber Internet |
| Website | Greenlight Networks |
Greenlight Networks is afiber-opticInternet service provider inRochester, New York, and theBuffalo Niagara Region. The company was founded in 2011 and competes withFrontier Telephone of Rochester,Verizon Fios andCharter Spectrum.
In 2024 it was ranked byConsumer Reports as the country's top internet service provider.[1]
Greenlight was founded in 2011 by Mark Murphy and began offering 1Gigabitfiber optic internet service in 2012.[2] The service began mostly confined to areas east of theGenesee River due to financial constraints with building new fiber optic lines particularity in Rochester's suburbs and getting permission the various towns and fromRochester Gas and Electric to use their existing poles. In 2018, the company was purchased by local billionaire businessman and philanthropistTom Golisano.[3] Following Golisano's purchase of the company it began to rapidly expand across the west side of the market.[4] The company determines where it will expand to by the amount of signups for the service a particular area has.
In December 2019, it was announced that Greenlight would be expanding into theBuffalo Niagara Region in 2020.[5][6]
In 2022, Golisano sold his controlling equity shares of Greenlight Networks toOak Hill Capital Partners.[7]
In July 2025, Greenlight Networks announced it would be acquiringLoop Internet, an internet service provider serving Northeastern Pennsylvania.[8]
Greenlight’s website suggests the company is looking into future long-term expansion into areas such asAlbany,Binghamton,Ithaca,Syracuse, and theFinger Lakes Region as well asBridgeport,Danbury,Hartford,New Haven, andStamford inConnecticut.[9]
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