- Chelan County PUD
- Chelan-Douglas Health District
- Douglas County PUD
- Environmental Hearings Office
- Grant County Health District
- Groundwater Foundation
- Housing & Urban Development
- International Code Council
- Kittitas Health District
- MortgageLoan.com - Mortgage Calculator
- National Association of Home Builders
- North Central Home Builder Association
- North Central Washington Association of Realtors
- US Army Corps of Engineers
- US Dept. of Energy Building Standards & Guidelines
- USGS Geographical Data
- Washington Association of Building Officials
- Washington Geospatial Data Archive
- Washington State Department of Ecology
- Washington State Dept. of Labor & Industries
- Wenatchee Valley Chamber of Commerce
- Wenatchee Valley Convention & Visitors Bureau
- Wenatchee Downtown Association