ABOUT US Serving Southern California for over 30 years, Robertson's is on the leading edge in the Ready Mix industry. We are the leading producer of ready-mixed concrete and construction aggregates in the Southern California area, covering Los Angeles, San Bernardino, Riverside, Orange, Imperial and San Diego Counties. From the San Fernando Valley to the High Desert and as far east as the Coachella Valley down to the Mexican border, we are committed to establishing long term, valuable business relationships by providing our customers with quality materials at competitive prices. We are continually looking to the future for the next innovations that will allow us to better serve our customers needs. Our courteous, efficient, well-trained personnel are dedicated to providing you with exceptional service and quality products. We maintain a modern computerized dispatch center as well as over 30 automated batch plants, including " on site" portables, enabling us to consistently produce quality concrete. We maintain a "state of the art" fleet of equipment, with over 950 trucks utilizing GPS technology to meet the ever increasing demands of the construction industry. We are able to batch mix designs to the requirements of the individual customer or design a mix to meet the specific requirements for any application.