Hill Petroleum® was founded by Tom Hill in 1982. He started with 2 employees, 3 delivery vehicles and a 300 square foot offic ... e in Arvada Colorado. 30 years later, Hill Petroleum® is a full-service petroleum marketer with over 110 employees and 4 locations that proudly serve the Western half of the United States. We are a First Source Marketer for Chevron as well as a Master Distributor for Sunoco Race Fuels and JAX (specialized) lubricants. Hill Petroleum is committed to providing clean, efficient, top of the line products that you can depend on. read more