- Association of Water Board Directors
- Cypress Creek Emergency Medical Services
- Harris County Appraisal District
- Harris County Health Department
- Harris/Galveston Coastal Subsidence District
- Houston Texas Weather Radar
- Montgomery County Health Department
- North Harris County Regional Water Authority
- Prestonwood Forest UD
- Texas Commission on Environmental Quality (TCEQ)
- Texas One Call
- Texas Public Utilities Commission
- Texas Water Development Board
- Water Smart Program
- West Harris County Regional Water Authority
