- Aluminum Association - American Forest and Paper Association - Association of Oregon Recyclers - Biocycle Magazine - California Integrated Waste Management Board - California Department of Conservation- California Resource Recovery Association (CRRA) - EPA Municipal Recycling - EPA Municipal Solid Waste - Glass Packaging Institute - Grass Roots Recycling Network - Los Angeles Bureau of Sanitation - Merced County Recycles - National Recycling Coalition - Rechargeable Battery Recycling Corporation (RBRC) - Recycle More (WCCIWMA) - RethinkWaste.Org (SBWMA) - San Diego Environmental Services - San Francisco Department of the Environment - San Jose Environmental Services Department - Solid Waste Association of North America (SWANA) - Steel Recycling Institute - StopWaste.Org (Alameda County Waste Management Authority) - Waste Age Magazine - Waste News
- American Water Resources Association (AWRA) - American Water Works Association (AWWA) - Association of California Water Agencies (ACWA) - California Department of Water Resources - EPA-Office of Water Management - Los Angeles Department of Water & Power (LADWP) - National Ground Water Association (NGWA) - National Onsite Water Recycling Association (NOWRA) - National Rural Water Association (NRWA) - WaterOnline.com
- California Air Resources Board (CARB) - EPA Climate Change - Greenhouse Gas Experts Network - ICLEI - Local Governments for Sustainability - Kyoto Protocol - Sustainable San Mateo County - Sustainable Silicon Valley - United Nations Framework Convention on Climate Change
- American Management Association (AMA) - Association of Management Consulting Firms (AMCF) - California Society of Municipal Finance Officers (CSMFO) - Institute of Management Consultants (IMC) - International City/County Management Association (ICMA) - Municipal Management Association of Southern California (MMASC)
- Bureau of Labor Statistics - California League of Cities - California State Website - LexisNexis - Municipal Code Web Library - U.S. Census Bureau - U.S. City Website Search - U.S. Environmental Protection Agency