Pinnacle Petroleum Inc. is a wholesale distributor of refined petroleum products and alternative fuels in the United States, including gasoline, diesel fuel, lubricants, biodiesel, ethanol, and compressed natural gas. From its headquarters in Huntington Beach, California, Pinnacle Petroleum directs the distribution of petroleum products and fuel to clients in California, Oregon, Washington, Nevada, Texas, and Florida. Pinnacle's clients include construction, utility, and transportation companies, as well as government agencies with high rates of fuel consumption such as highway patrol, fire, and police departments.
Founded by Liz McKinley in 1995 with an initial investment of $100,000. In 2007, the company made Entrepreneur Magazine's list of fastest growing women-owned businesses.