The Concrete Manufacturers Association (CMA) is the primary representative of the precast concrete industry in South Africa. In existence for over 50 years, it promotes the use of quality precast concrete units. The CMA publishes leading industry guides, presents workshops and facilitate training relating to precast concrete. The CMA endeavours to initiates and maintain standards in close cooperation with SABS Standard Division and collaborates with its members in the manufacture of precast concrete units consistent in quality.