Premium Quality Lubricants for Farm, Home and Industry in Grand County. Blackwell Oil Company Inc & Gas Station is a locally owned business that has been servicing the Granby Area for over 50 years. They offer premium quality lubricants for farm, home and industry in Grand County. Services & Products: • Gasoline Service Station • Wholesale Petroleum Bulk Station • Fuel Oils • Petroleum Oils & Products • Oil & Gas Exploration & Development • Propane • Natural Gas • Kerosene • Convenience Stores • Gas Measurement Services • Oil Field Equipment • Grocery Store • Wholesale Gasoline • Agricultural Services • Farms • Homes • Motor oil • Petroleum • HD tractor fluid super HD II Please call or stop by our locations today!