Green Product Supply  
Affordable Solar
Alternative Energy Store
Real Goods
Abundant Earth
Environmental Home Center
Building for Health
Green Building Supply
Energy Superstore
Whole Earth Living
Green Homes for Sale
Solar Living Store
Home Eco
The Energy Savings Store
Green Roof Blocks
Fiberlite Technologies
Green Facilities Solutions

USGBC-St. Louis
Missouri Botanical Garden - Earthways Center
Green Building Alliance (Pittsburgh, PA)
Architecture 2030
Architects, Designers and Planners for Social Responsibility
Sierra Club
Union of Concerned Scientists: Greentips, Environmental Tips in Action
Natural Resources Defense Council
Good Stuff? - A Behind-the-Scenes Guide to the Things We Buy
Solar Living Institute
Alliance to Save Energy
Forest Stewardship Council
Sustainable Buildings Industry Council
Center for Resource Conservation (Boulder, Colorado)
Habitat for Humanity, St. Louis
NIPR--New Ideas in Pollution Regulation
Co-Op America
Energy Hog
Build It Green
Whole Building Design Guide

Government Organization  
EPA - Environmental Protection Agency - Green Buildings
Energy Information Administration
MO Dept. of Natural Resources
U.S. Department of Energy Building America Program
Energy-efficient and Renewable Energy Clearinghouse (EREC)
U.S. Department of Energy RSS Feed
Energy Efficiency and Renewable Energy Network
Energy Efficiency and Renewable Energy Network
Colorado Code College Online Training Website
National Renewable Energy Laboratory - The Center for Buildings and Thermal Systems
U.S. National Park Service - Guiding Principles of Sustainable Design

Green Services  
Butterfly Energy Works
Energy Matters
Premier Skylights
Thermal Image Photography
Acorn Landscapes
Sedoria Interior Design
Greg Kluempers - Photographer/Artist

Green General Contractors  
Sage Homebuilders
Salian Commercial
Mastercraft Design & Build

Building Systems  
Enercept SIPS
Poly Steel

Bear Creek Prairie