Dulles Area Transportation Association
Dedicated to enhancing transportation mobility and fostering economic vitality with emphasis directed toward transportation issues in the Greater Dulles Area of Northern Virginia (Western Fairfax, Eastern Loudoun, and Northern Prince William Counties).

Hampton Roads Utility and Heavy Contractors Association
Serving the utility and heavy construction industry in Southeastern Virginia.

Heavy Construction Contractors Association
Represents individuals and companies involved in many of the lines of business commonly considered as "heavy construction" at the state and local levels.

Northeast Chapter American Concrete Pavement Association - concrete pavement contractors, cement companies, equipment and material manufacturers and suppliers in the 13 mid-Atlantic and Northeast states stretching from Virginia to Maine.

Northern Virginia Transportation Alliance
Advocates the funding and construction, by 2012, of long neglected major transportation projects that will improve travel across the Northern Virginia region.

Precast Concrete Association of Virginia
Dedicated to the Growth of the Precast Concrete Industry

Society for Marketing Professional Services - Virginia
A resource for marketing and sales of professional services for the built and natural environment in the Commonwealth of Virginia.

Virginia Asphalt Association
To promote the common business interests of plant-mixed asphalt pavers

Virginia Municipal League
A statewide, nonprofit, nonpartisan association of city, town and county governments established in 1905 to improve and assist local governments through legislative advocacy, research, education and other services