RMA Group is a client-centered geotechnical engineering and materials testing consulting firm with office and laboratory facilities located in Rancho Cucamonga, Van Nuys, Fullerton, San Diego, San Jose, Rancho Cordova, and Concord, California. The firm was established in 1962 , and specializes in providing geotechnical engineering, pavement engineering, construction materials testing, special inspection services, and environmental engineering and storm water management.