Established in 2005, DRP Engineering, Inc. (DRP) is a professional consulting firm providing civil and environmental engineering design services for clients throughout Southern California. DRP is a local small and emerging business enterprise (SBE, MBE and DBE) located in Alhambra, California. Our principals and key staffs have extensive work experiences from Fortune 500 engineering firms and major public utility agencies. DRP’s team has vast industry experience to provide the highest level of skill and service for a wide variety of engineering designs and services to meet our clients' needs.