Groendyke Transport is a tank truck carrier in the United States with headquarters in Enid, Oklahoma. The company was founded on July 12, 1932, by H.C. Groendyke as the sole proprietor and incorporated in 1949. The company currently has 32 terminals in 12 states hauling more than 480,000 loads annually of chemicals, acids, fuels, lubricants, flour, and vegetable oils throughout the United States, Canada, and Mexico, as an ISO 9001 registered carrier. - Source: Wikipedia