Maury County Water System
- Water utility district serving the city of Columbia and surrounding rural areas.
- http://www.maurycountywatersystem.com/

Maury Alliance
- Public-private partnership promoting the economic development and well-being in Maury County, and serving as the Chamber of Commerce for the county. County road map, business development information, community profiles and statistics, and calendar of even
- http://www.mauryalliance.com/

Williams Funeral Home
- Provides funeral services in Columbia and Mt. Pleasant, and operates Polk Memorial Gardens in Columbia. Includes location maps and driving directions, as well as information about services offered.
- http://www.williamsfh.com/main.html