Regal Oil Inc. is family owned and headquartered in San Angelo, Texas since 1981. We are licensed to supply a wide range of petroleum products in the state of Texas, including wholesale gas, diesel, kerosene, naphtha, motor oil, grease, DEF and antifreeze. Regal Oil, Inc. takes pride in building and maintaining solid customer relationships by providing exceptional service and high-quality product ...Regal Oil Inc. is family owned and headquartered in San Angelo, Texas since 1981. We are licensed to supply a wide range of petroleum products in the state of Texas, including wholesale gas, diesel, kerosene, naphtha, motor oil, grease, DEF and antifreeze. Regal Oil, Inc. takes pride in building and maintaining solid customer relationships by providing exceptional service and high-quality product supply maintained to the highest standard.