| American Concrete Contractors Association - http://www.americancca.org/ Dedicated to establishing a powerful, united organization with the ability to negotiate cost and services for the benefit of the concrete contractor. |
| Architectural Precast Association - http://www.archprecast.org/ The Architectural Precast Association is a not-for-profit trade association organized to serve the informational, technical and business needs of Architectural Precast Concrete manufacturers and their suppliers and to promote high standards of workmanship throughout the industry. |
| Cement and Concrete Association of New Zealand - http://www.cca.org.nz Mission is to develop safe and innovative use of cement and concrete products. |
| Expanded Shale Clay and Slate Institute - http://www.escsi.org/ Slate Institute is an trade association serving the ceramic Lightweight aggregate industry manufactured by the rotary kiln process worldwide. |
| International Bureau for Precast Concrete - http://www.bibm.org/ The Bibm is the international organization of the precast concrete industry. |
| National Aggregates Association - http://www.nationalaggregates.org Trade association representing the interests of sand, gravel, and crushed stone producers nationally and internationally. |
| National Precast Concrete Association - http://www.precast.org/ |
| Pennsylvania Concrete Promotion Council - http://www.paconcrete.com/ Association of ready mix producers, contractors, and industry support, established to increase the use of ready mixed concrete for residential and commercial construction. |
| Portland Cement Association - http://www.portcement.org/ PCA's weekly e-newsletter has the latest information on new publications, resources, economic trends, and Washington news. |
| Precast/Prestressed Concrete Institute - http://www.pci.org/ The primary purpose of TechnoQuest is to allow producer executives to familiarize themselves firsthand with new plant technologies and make contacts with the people who use and supply these technologies. |
| Tilt-Up Concrete Association - http://www.tilt-up.org/ |