Harrisonville Telephone Company
TelecommunicationsIllinois, United States51-200 Employees
Harrisonville Telephone Company is a telecommunications provider based in Waterloo, Illinois, with origins dating to 1896. It serves both residential and business customers with voice, television, and high-speed internet, supported by local, customer-oriented service. The company operates across parts of Monroe, Randolph, and St. Clair counties, including communities such as Columbia, Waterloo, Valmeyer, Hecker, Prairie du Rocher, Red Bud, and Millstadt. In recent years it expanded its offerings with a high-performance mesh WiFi solution introduced in 2023, and it maintains engagement with the community, for example at the Monroe County Fair in 2025.