Boltex Mfg. Co. is a vertically-integrated manufacturer that offers various related products and services. Based in Houston, Texas, the firm serves a number of industries, including oil and gas, petrochemical, transmission, aerospace, military, engineering and construction. The company specializes in custom forgings. Boltex Mfg. Co. offers a host of in-house capabilities that include product design, tool design and development, die manufacturing, forging, heat treatment, testing and machining. Its heat treat capabilities include normalizing, annealing, quenching and tempering.