D&M Petroleum Inc. Installs, Inspects and maintains petroleum installations throughout Vermont, New Hampshire, New York and Massachusetts. The business was established & incorporated in 1991 in Vermont. With its 9 employees and a combined experience of well over 100 years we’ve watched the evolution of both petroleum equipment and compliance responsibility change as one leapfrogged in front of the other. Please let us help you in reaching your goal in building, and maintaining a productive, efficient and compliant facility.