Ozone Engineering

Founded nearly 40 years ago, Hydraulic Controls is among the premier hydraulic distributors in the Pacific Southwest. The company provides industrial and mobile hydraulic products, including complete power units, pumps, valves, motors, cylinders, filters, accumulators, hydrostatic transmissions, planetary speed reducers, valves, telescopic cylinders and pumps. Its pneumatics line offers a wide variety of miniature valves, NFPA cylinders, rodless cylinders, FRLs, automation tools and vacuum products. The company also offers a full electronics line that includes pressure switches, proximity and photoelectric sensors, bus systems and PLCs. Hydraulic Controls has full-service branch offices in Denver, Salt Lake City, Phoenix and the California cities of Fresno, National City, Stockton, Tulare, Walnut, Yuba City and Redding. Its headquarters are in Emeryville, Calif.

Established in 1917 and based in Martinez, Calif., Shields, Harper & Co. is a California corporation. The company has added many products and services, including tanks, dispensers, nozzles, valves, fittings, as well as payment systems, POS, software for facility management and security. It also offers technical services such as CAD drawings and environmental analysis. Shields, Harper & Co. serves the petroleum handling industry and its integrated systems are installed in airports, fleets, commercial and retail sites throughout its market area.