American Association of Port Authorities
American Association of State Highway and Transportation
American Chemistry Council
American Coal Ash Association
American Concrete Pavement Association
American Concrete Pipe Association
American Concrete Pressure Pipe Association
American Concrete Pumping Association
American Council of Engineering Companies
American Highway Users Alliance
American Iron and Steel Institute
American Petroleum Institute
American Public Works Association
American Rivers
American Road & Transportation Builders Association
American Shore & Beach Preservation Association
American Society of Civil Engineers
American Soybean Association
American Sportfishing Association
American Subcontractors Association
American Traffic Safety Services Association
American Transportation Association
American Trucking Associations
American Waterways Operators
American Whitewater
Appalachian Citizens' Law Center
Appalachian Voices
Asphalt Emulsion Manufacturers Association
Asphalt Recycling and Reclaiming Association
Associated Equipment Distributors
Associated General Contractors of America
Association of Equipment Manufacturers
Association of Marina Industries
Association of State Dam Safety Officials
Association of State Floodplain Managers
Boat Owners Association of the United States
Brevard County Natural )
Broward County
California Marine Affairs & Navigation Conference
Captiva Erosion Prevention District
Chamber of Shipping of America
Coalición de pequeños agricultores en California
Concrete Foundations Association
Concrete Masonry & Hardscapes Association
Concrete Reinforcing Steel Institute
Council of State Governments
Dredging Contractors of America
Eastern Kentucky CLT
Faith in Place
Florida Ports Council
Florida Shore & Beach Preservation Association
Florida Sugar Cane League
Georgia Ports Authority
Geosynthetic Materials Association
Great Lakes Dredge and Dock Co., LLC
Greater New Orleans Inc.
Illinois Corn Growers Association
Institute of Makers of Explosives
International Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers
International Economic Development Council
International Federation of Professional and Technical Engineers
International Slurry Surfacing Association
International Union of Operating Engineers
Interstate Council on Water Policy
Laborers' International Union of North America
Laborers-Employers Cooperation and Education Trust
Lake Carriers' Association
Latino Farmers & Ranchers International, Inc.
Local Initiatives Support Corporation
Marine Retailers Association of the Americas
Missouri and Associated Rivers Coalition
National Asphalt Pavement Association
National Association of Counties
National Association of Development Organizations
National Association of Manufacturers
National Association of Realtors
National Association of Regional Councils
National Association of Surety Bond Producers
National Association of Flood and Stormwater
National Association of Waterfront Employers
National Association of Wheat Growers
National Audubon Society
National Conference of State Legislatures
National Electrical Contractors Association
National Grain and Feed Association
National League of Cities
National Marine Manufacturer's Association
National Mining Association
National Parks Conservation Association
National Precast Concrete Association
National Ready Mixed Concrete
National Steel Bridge Alliance
National Stone Sand & Gravel Association
National Utility Contractors Association
National Water Supply Alliance
National Waterways Conference
National Wildlife Federation
Outdoor Industry Association
Outdoor Recreation Roundtable Association
Pacific Northwest Waterways Association
Port of Pittsburgh
Portland Cement Association
Ports America
Precast/Prestressed Concrete Institute
Public Buildings Reform Board
Rural Advancement Fund of the National Sharecroppers Fund, Inc.
Rural Coalition
Rural Community Assistance Partnership
Rural Voices for Conservation Coalition
RuralOrganizing.org
RuralProgress
Southwestern Missouri Water
Southwestern Power Resources Association
Soy Transportation Coalition
State Science & Technology Institute
Surety and Fidelity Association of America
Teddy Roosevelt Conservation Partnership
The Fertilizer Institute
The Nature Conservancy
The Road Information Program
Tilt-Up Concrete Association
U.S. Chamber of Commerce
United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the U.S. and Canada
United Brotherhood of Carpenters and Joiners of America
Upper Mississippi River Basin Association
Waterways Council
World Shipping Council