American Association of State Highway and Transportation Officials (AASHTO) – www.aashto.org

American Trucking Association (ATA) – www.truckline.com

American Concrete Pipe Association (ACPA) – www.concrete-pipe.org

American Concrete Pumping Association (ACPA) – www.concretepumpers.com

American Concrete Pavement Association (ACPA) – www.pavement.com

American Highway Users Alliance (AHUA) – www.highways.org

American Road & Transportation Builders Association (ARTBA) – www.artba.org

American Society of Concrete Contractors (ASCC) – www.ascconline.org

Association of Equipment Manufacturers (AEM) – www.aem.org

Cement Kiln Recycling Coalition (CRKC) – www.ckrc.org

Concrete Plant Manufacturers Bureau (CPMB) – www.nrmca.org/cpmb_tmmb/index.html

Concrete Reinforcing Steel Institute (CRSI) – www.crsi.org

Expanded Shale Clay and Slate Institute (ESCSI) – www.escsi.org

Insulating Concrete Form Association (ICFA) – www.forms.org

National Concrete Masonry Association (NCMA) – www.ncma.org

National Stone, Sand and Gravel Association (NSSGA) – www.nssga.org

National Utility Contractors Association (NUCA) – www.nuca.com

Precast / Prestressed Concrete Institute (PCI) – www.pci.org

Slag Cement Association (SGA) – www.slagcement.org

The concrete industry's Strategic Development Council (SDC) – www.concretesdc.org