U.S. Department of Transportation
Federal Highway Administration
American Road and Transportation Builders Association
American Association of State Highway and Transportation Officials
Associated General Contractors of America
American Public Works Association
American Council of Engineering Companies
American Society of Civil Engineers
TRIP, a national transportation research group
National Association of Home Builders
American Water Works Association
National Public Water Systems Compliance Report
National Rural Water Association
United States Department of Agriculture
Association of Equipment Manufacturers and 
Destination ImagiNation