The Olympia Master Builders is a professional trade association whose purpose is to improve the construction industry and the business climate in which it operates. Members are dedicated to integrity, craftsmanship, and respect for the consumers, the environment, and one another.

The Northwest EcoBuilding Guild is an association of builders, designers, homeowners, tradespeople, manufacturers, suppliers and others interested in ecologically sustainable building.

Our builders and other associates provide sustainable housing in an area of more than 4,000 square miles in the State of Washington, covering King and Snohomish Counties. Built Green homes are designed to provide homeowners with comfortable, durable, environmentally friendly homes that are cost-effective to own and operate. These resource-efficient homes are crafted to exceed building codes and provide homeowners with years of healthy, quality living, while protecting the precious Northwest environment.

The Northwest Energy Efficiency Alliance is a non-profit corporation supported by electric utilities, public benefits administrators, state governments, public interest groups and energy efficiency industry representatives. These entities work together to make affordable, energy-efficient products and services available in the marketplace.

NAHB is a trade association that helps promote the policies that make housing a national priority. Since 1942, NAHB has
been serving its members, the housing industry, and the public at large.

The Building Industry Association of Washington exists to unite those in the building industry in Washington state in their fight against a government that has made this industry among the most