Thank you for visiting the Hi-Grade Oil Company website. As of February 1, 2018, Hi-Grade Oil Company’s fuel oil and lubricants are now operated by Mansfield Energy and Superior Plus Energy Services now operates our propane business. We’re always available to answer your questions about our services and our products. For your convenience, contact information is listed below if you have any questions. HEATING OIL PROPANE LUBRICANTS Continue to Propane Site > Heating Oil Questions: Kristie Lawrence: klawrence@mansfieldoil.com Lina Byrd: lbyrd@mansfieldoil.com phone: 833-809-9826 Propane Questions: Ralph Foster: Ralph@higradeoil.com phone: 937-498-4166 info@higradeoil.com 435 S. Vandemark Rd. Sidney, OH 45365 Miscellaneous Questions HiGradeOil@HiGradeOil.com phone: 937-498-4166 Lubricant Quotes: Sarina Swarts: sswarts@mansfieldoil.com phone: 833-809-9826