Founded in 1972, Holtzman Corporation offers petroleum products. With its fleet of tractor-trailer tankers, the company provides 24-hour delivery of bulk fuels to several types of industrial and commercial businesses. Its products include low- and high-sulfur diesel, gasoline, heavy oils, biodiesel, ultra-low sulfur diesel and kerosene. It serves more than 90 service stations and convenience stores throughout the United States. Its brands include ChevronTexaco, BPAmoco, Liberty and ExxonMobil. In addition, Holtzman Corporation offers technical support, lube surveys and recommendations, lubricant equipment and oil analysis. The company also maintains a service center that employs trained technicians. It also features online credit and employment applications.