Smith Oil Corporation has been providing professional fuel and lubricant delivery services to the Rockford, IL and northern Illinois and southern Wisconsin area for over a hundred years. mith Oil is a local, family owned and operated business. We put our customer's first and believe that we are the best in the industry to placing our customer's above everything else. We provide delivery services for all types of fuels. Our products include: Alternative Fuels, Bio Diesel, Fleet Fuels, Commercial Fuels, Farm Fuels, Gasoline, Heating Oils, Methanol, Sunoco Race Fuels, Brad Penn Lubricants. Please call or visit us today!