20 years of family owned and operated trusted service.

Providing a full spectrum of energy services

In the race to provide a full spectrum of energy services to the New York, New Jersey, Pennsylvania, Maryland, and Massachusetts areas, there’s one company that consistently leads the pack: Marathon Energy.
Whether we’re delivering heating oil, natural gas or electricity; or servicing a heating plant, we deliver value that our clients have come to rely on. Reducing your energy costs and improving your bottom line – that’s what Marathon Energy is all about.

Providing a full spectrum of energy services

In the race to provide a full spectrum of energy services to the New York, New Jersey, Pennsylvania, Maryland, and Massachusetts areas, there’s one company that consistently leads the pack: Marathon Energy.
Whether we’re delivering heating oil, natural gas or electricity; or servicing a heating plant, we deliver value that our clients have come to rely on. Reducing your energy costs and improving your bottom line – that’s what Marathon Energy is all about.

20 years of family owned and operated trusted service

We want to be your trusted energy partner because we’re a family owned and operated business ourselves. We’re committed to offering the highest level of customer service and competitive prices for heating oil (including clean, green Bioheat®), natural gas and electricity. Plus, we offer heating equipment service 7 days per week, 365 days per year – something you won’t get from just any energy company.

  • Over 150 combined years of energy experience
  • Over 21 years of customer-focused operations
  • Serving residential, commercial and industrial customers in Northeast. Commercial clients include multiple dwellings, retail stores and restaurants. Learn more about all of the industries we serve!
  • The only competitive energy provider that publishes historical competitive prices on its website
  • High-quality heating oil (No. 2, 4 and 6) and clean, green ultra-low sulfur Bioheat®
  • Licensed competitive energy provider, supplying lower-cost natural gas and electricity in NY, NJ, PA, MA and MD
  • In-house mechanical engineers, licensed plumbers and oil burner installers

Request A Free Energy Audit

With a suite of energy efficiency products, Marathon will work with you to identify the best opportunities for you to reduce your energy consumption and lower your energy costs.