Horizon Telcom, Inc. provides telecommunications services to Southern Ohio. It offers switched wireline voice communications, and video and Internet access services to commercial, residential, and small business customers. The company also provides fiber optic-based carrier services, including Ethernet, Internet access, voice-over IP, and leased dark fiber services to wireless service providers, carriers, health care providers, educational institutions, government agencies, and enterprises over its regional network, as well as the networks of vendor carriers. In addition, it offers security monitoring services. Horizon Telcom, Inc. was founded in 1895 and is based in Chillicothe, Ohio. As of June 15, 2018, Horizon Telcom, Inc. was taken private.