U. S. Green Building Council- The U.S. Green Building Council (USGBC) is a 501 c3 non-profit organization committed to expanding sustainable building practices. USGBC is composed of more than 19,500 organizations from across the building industry that are working to advance structures that are environmentally responsible, profitable, and healthy places to live and work.

Earth Craft House Virginia- EarthCraft Virginia provides a certification process for single family and multifamily projects. It serves as a blueprint for healthy, comfortable homes that reduces utility bills and protects the environment. EarthCraft House is your best assurance for a quality home.

Energy Star- Energy Star is a joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy helping us all save money and protect the environment through energy efficient products and practices.

Residential Energy Services Network- The RESNET mission is to ensure the success of the building energy performance certification industry, set the standards of quality, and increase the opportunity for ownership of high performance buildings.