Profile: Robinson Mfg. Co., Inc. offers a line of measurement, testing and sampling equipment for the petroleum industry. We supply industrial centrifugal machines. Our products include gauging tapes, carrying cases and tank thermometers. Our hydrometers are constructed with solid alloy ballast and designed to permit quick penetration to the settling point, creating no air bubbles. Our bi-metal thermometers are made of stainless steel and are corrosion resistant to chemicals.