- Cad - Cam Services, Inc. - Cad conversion, document scanning, imaging services, and equipment. Serves Dallas, Texas and surrounding communities.
- Celina Chamber of Commerce - Features member directory, community information, city map, and events.
- Celina Independent School District - K-12th Grade. Includes district information, news, and links to each campus.
- Celina Local News: Topix - Local, regional, and statewide news collected from diverse sources on the web.
- First Baptist Church - Southern Baptist. Presents worship services schedule, missions information, guide to children and youth programs, and overview of ministries.
- First United Methodist Church - Worship services, pastor's blog, weekly newsletter, online prayer requests, maps/directions, and contact info.
- Handbook of Texas Online: Celina, Texas - Community history and information.
- N-Tex Roof Ststems, Inc. - Custom Residential, Multi-Family, and Tile Specialist. Specializing in Insurance Claims.
- Punk Carter Ranch - Past president of the National Cutting Horse Association. Offers training, horse products, and BBQ sauce.
- Scott Young Inspections - Real estate inspectors offering onsite computer-generated reports.
- The Weather Channel - Celina, Texas - Local forecast, current conditions, radar, links to national and international weather information.
