An NGO and consortium of cement producers that works to improve supply chain management for cement production. is looking to help builders reach a goal of 3,000 PSI cement rather than the 1,200 PSI cement that can typically be achieved with hand-mixing with a shovel.

Cement Trust website, Interview with Bruce Christensen, general manager of Cart-Away Concrete Systems
http://cementtrust.wordpress.com/, https://www.devex.com/en/news/how-a-small-us-concrete-firm-got-into-global/82835