Downey chamber of commerce featuring local california contracting businesses and community restoration resources in Los Angeles.
http://www.downeychamber.com/

Union Roofing Contractors Association (URCA) is to promote public awareness of the value of hiring union roofing contractors.
http://www.urca.org/

National Trade Association representing over 21,000 contractors, subcontractors, material suppliers and related firms from across the country and from all specialties in the construction industry.
http://www.abc.org/

FRSA is an association of roofing, sheet metal and air conditioning contractors and industry- related companies including manufacturers, suppliers, manufacturers' representatives, roofing consultants and others.
http://www.floridaroof.com/

A nonprofit trade association representing manufacturers of plant-produced precast concrete products, and companies that provide equipment, supplies and services to the industry.
http://precast.org/

The Associated General Contractors of America, the voice of the construction industry, is an organization of qualified construction contractors and industry related companies dedicated to skill, integrity and responsibility.
http://agchouston.org/

We are an organization composed of the best civil construction companies, and their related suppliers, that this region has to offer, and our members are dedicated to providing a quality service to the community in a safe and responsible manner.
http://www.houstoncontractors.org/

Precast prestressed concrete is a manufactured product.
http://pcmatexas.org/

Slate Institute is an trade association serving the ceramic Lightweight aggregate industry manufactured by the rotary kiln process worldwide.
http://www.escsi.org/

Federation of national bodies involved in concrete repair, flooring, sprayed concrete and protection and repair of structures.
http://www.efnarc.org/

An international association of producers of welded wire reinforcement (WWR) and related products for the reinforcement of concrete.
http://www.wirereinforcementinstitute.org/

Information on the use and benefits of slag cement in concrete and other construction applications.
http://www.slagcement.org/

Sprayed concrete or gunite has been used for over one hundred years in the civil engineering and tunnelling industries.
http://www.sca.org.uk/

Information and resources for all facets of the concrete industry in the state.
http://www.mississippiconcrete.com/

National association representing the stamped concrete industry. Includes list of services and a insearch for contractors.
http://www.stampedconcrete.com/

The trade body representing manufacturers of aggregate concrete building block in Great Britain.
http://www.cba-blocks.org.uk/

Concrete drainage products ever produced.
http://www.concretepipes.co.uk/

Promotes the use of concrete pipe and provides assistance to members in the areas of research, product specifications, technical services, education, and promotion.
http://www.il-concretepipe.org/

Strives to be the voice for the ready mix industry in Illinois; promotes the use of quality ready mixed concrete through educational programs.
http://www.irmca.org/

Non-profit trade association formed to promote the quality use of masonry materials, technical data and commercial masonry concrete construction markets.
http://www.ccmaonline.com/