Family owned and operated in Knoxville since 1984. Enterprise Oil is your choice for the proper handling and disposal of non- ... hazardous environmental products such as used oil, used antifreeze and waste water. We offer waste-to-energy options and have helped numerous companies take their waste production to zero landfill. We intentionally offer custom, personalized plans and arrange our services to fit your needs. Tennessee | Kentucky | Virginia | West Virginia | North Carolina | South Carolina read more