Barnes & Barnes, Inc

Gauge Point Calibration, Inc. is a renowned tank calibration company that has been providing comprehensive and accurate services since 1992. With a commitment to safety and asset protection, GPC incorporates high definition surveys in accordance with API standards to deliver the most reliable information for maximizing working capacity. As a recognized leader in the industry, GPC offers full-service tank calibration solutions across three locations on the West Coast, Gulf Coast, and East Coast. Their expertise and dedication to excellence make them the go-to choice for businesses seeking reliable tank calibration services.Generated from the website

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.