United Telephone Company
- Provider of local phone service and other telecommunications products, based in Chapel Hill and serving other Middle Tennessee communities. Includes dial-up numbers, bill-paying locations, and other resources for customers.
- http://www.united.net/

Tri-County Electric Membership Corporation
- Member-owned and operated TVA distributor, headquartered in Lafayette and serving over 47,000 homes and businesses in Northern Middle Tennessee and South Central Kentucky. Service area, rates, service descriptions, contacts, and bill-paying information.
- http://www.tcemc.org/

Middle Tennessee Natural Gas
- Distributor of natural gas to the Middle Tennessee region. Service area map, rate information, services offered, gas applicances for sale, and natural gas safety information.
- http://www.mtng.com/

Meriwether Lewis Electric Cooperative
- Elecricity supplier serving Centerville and surrounding Hickman, Houston, Humphreys, Lewis and Perry counties. Also operates as an Internet service provider for local residents. About the utility, its services, energy, and cooperatives.
- http://www.mlec.com/mainscreen.htm

DTC Communications
- Independent telephone cooperative, providing local phone service to Cannon, DeKalb and portions of Smith county, and offering internet access, web pages, DSL, telephone, cellular and paging service in much of Middle Tennessee.
- http://home.dtccom.net/

Cumberland Electric Membership Corporation
- Provides electric service to approximately 77,000 commercial, industrial and residential customers in Cheatham, Montgomery, Robertson, Stewart, and Sumner Counties. Includes business information, online bill display, and information about electricity.
- http://www.cemc.org/

Caney Fork Electric Cooperative Inc.
- Electrical cooperative serving over 27,000 customers in DeKalb, Warren, White, and Van Buren Counties. Includes rates and service information.
- http://www.caneyforkec.com/