Southern Company is an American gas and electric utility holding company.
Shenandoah Telecommunications Company is a company providing regulated and unregulated telecommunications services to end-user customers and other telecommunications providers.
Finisar manufactures optical components and subsystems that enable high-speed voice, video and data communications for networking, storage, wireless and cable TV apps.
Level 3 Communications is an international communications company developing IP transit networks.
Crown Castle provides infrastructure for broadcasting, mobile telephony and wireless broadband including small cell, traditional cell sites, rooftop sites and indoor/outdoor distributed antenna systems.
IPG Photonics is a manufacturer of fiber lasers and fiber amplifiers.
Applied Optoelectronics is a provider of fiber‑optic networking products.
Acacia Communications designs, develops, manufactures and markets intelligent subsystems for fiber optic transmissions.
Consolidated Communications provides advanced communication solutions to residential and business customers across its 11-state service area.
EMCOR Group provides electrical and mechanical construction, and facilities services.
Cogent Communications is a multinational internet service provider.
PPG Industries is a global supplier of paints, coatings, optical products, specialty materials, chemicals, glass, and fiberglass.