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ACPA – American Concrete Pumping Association
The American Concrete Pumping Association was founded in 1974 with the objectives to promote concrete pumping as the choice method of placing concrete, and to encourage and educate the concrete pumping industry on safe concrete pumping procedures. The ACPA Operator Certification Program is the only industry-recognized certification program for testing concrete pumping practices. Liquid Stone Concrete pump operators are certified by ACPA. NRMCA – National

Ready Mixed Concrete Association
Founded in 1930, the National Ready Mixed Concrete Association is the leading industry advocate. Our mission is to provide exceptional value for our members by responsibly representing and serving the entire ready mixed concrete industry through leadership, promotion, education and partnering to ensure ready mixed concrete is the building material of choice. Concrete Delivery Professional Certification by the NRMCA provides training to be the most efficient, skilled and productive drivers in the business. Liquid Stone Concrete drivers are certified Concrete Delivery Professionals.

TACA – Texas Ready Mixed Concrete Association
In 1951, business leaders in the ready-mixed concrete industry decided there was a greater strength in numbers and established the Texas Ready Mixed Concrete Association. A year later; the Texas Aggregates Association was organized. After operating for 22 years as a joint effort, with shared office and staff the two groups consolidated in 1974 as the Texas Aggregates and Concrete Association (TACA). The Association speaks for all forms of aggregate, concrete, cement, admixtures, fly ash and construction material producers and allied industries in a united effort. Liquid Stone Concrete is a member of TACA.