Proudly Serving Southeastern Connecticut for Over 30 Years Williams Oil Company (860) 848-4272 williams_oil_co@yahoo.com Today's Oil Price one moment... Need Service? (860) 848-4272 Home Page About Our Company Heating Oil Services Order Online Heating & Cooling Service Contact Us Proudly Serving Southeastern Connecticut for Over 30 Years Current Heating Oil Prices Delivering High Quality Heating Oil, Diesel, & Kerosene Order Online 24/7 ABOUT WILLIAMS OIL COMPANY Williams Oil Company offers heating oil delivery for your home and business. We are a family owned and operated company and have been proudly serving Southeastern Connecticut for over 30 years. We offer discount fuel priced below most discount … READ MORE HEATING OIL SERVICES Here at Williams Oil Co.Inc., we believe that you deserve the best. Read more about the delivery options and discounts that Williams Oil offers. Call us about discount COD prices. READ MORE Current Heating Oil Prices 100-149 Gal 150-299 Gal 300-499 Gal Order Online 24/7 We are a family owned and operated company. We look forward to serving you! Proudly Affiliated With Williams Oil Company Williams Oil Co. License #303067, Reg #246 Location: 2239 Norwich New London Turnpike - Uncasville, CT 06382 Phone: (860) 848-4272 Email: williams_oil_co@yahoo.com Delivery Areas Baltic, Canterbury, Centbrook, Central Village, Chester, Clinton, Colchester, Deep River, East Haddam, East Lyme, Essex, Gales Ferry, Gilman, Groton, Haddam, Hadlyme, Hanover, higganum, Ivoryton, Jewett City, Ledyard, Madison, Mashantucket, Montville, Mystic, New London, Niantic, North Stonington, Oakdale, Old Lyme, Old Mystic, Old Saybrook, Oneco, Pawcatuck, Plainfield, Quaker Hill, Salem, South Lyme, Sterling, Stonington, Taftville, Uncasville, Versailles, Voluntown, Waterford, Wauregan, West Mystic, Westbrook, Windham, Winthrop, & Yantic