Retaining Walls Company specializes in engineering and customized design services since 1978 throughout California. It offers construction of highways, parking facilities and block walls. The company designs and undertakes projects for commercial, institutional and residential customers. Retaining Walls Company provides modular blocks from Keystone, Versalok and Allan Block. The company offers concrete and timber lagging services. It provides Criblock, which is a concrete earth retention system used in a variety of applications. The company offers services to schools, golf courses, shopping centers, parks, military bases and recreational and water treatment facilities. Retaining Walls Company provides maintains a location in San Marcos, Calif.