Concrete Building Design by Computer
Free computer software with explanations and illustrations covering the analysis and design of concrete building structural components.
http://ourworld.cs.com/JackC7799/

Concrete Canvas
Concrete Canvas is an award-winning rapidly deployable, hardened structure that comes delivered in a self-contained plastic sack.
http://www.concretecanvas.org.uk/

Concrete Technology Inc.
Springboro, Ohio and Paxton, IL. producers of high end architectural precast concrete building components for the construction industry.
http://www.ctiprecast.com

EFNARC
AGM is home to specialist organisations and trade associations in the UK Building and Construction Industry. Many of the organisations offer comprehensive publications covering their industry sector as well as in some cases free independent technical advice.
http://www.associationhouse.org.uk

Naylor Industries
Manufacture clay, plastic and concrete drainage, concrete, hi-spec lintels, stoneware, gardenware and other building materials for domestic and export markets.
http://www.naylor.co.uk/

Tennessee Ready Mixed Concrete Association
Tennessee Concrete Association - Nashville, TN
http://www.trmca.org/

Thermonex Ltd
UK based company specialising in precast concrete basements. Applications include stairs, lift shafts, car parks, self build projects and retail developments. Standard basement, waterproof basements,cellars, concrete products.
http://thermonex.co.uk

Sismo Building Technology
Manufactures and distributes a three-dimensional lattice galvanized steel wire and concrete building system.
http://www.sismo.be

Concrete Block Association (CBA)
The Concrete Block Association. Provides information on Aggregate Blocks, Concrete Blocks, Part E, Part L, Part J and Building Regulations
http://www.cba-blocks.org.uk/

Structural Concrete Industries
Leading Australian designer, manufacturer of precast prestressed concrete for building, marine and civil construction industries. Large-scale infrastructure including Super-T bridge girders, planks, piles, floating marinas, custom designed etc.
http://www.sciaust.com.au