Star Group, L.P., together with its subsidiaries, provides home heating oil and propane products and services to residential and commercial customers in the United States. It offers gasoline and diesel fuel; and installs, maintain, and repairs heating and air conditioning equipment. As of September 30, 2023, the company served approximately 402,200 full service residential and commercial home heating oil and propane customers and 52,400 customers on a delivery only basis. It also sells gasoline and diesel fuel to approximately 26,600 customers. The company was formerly known as Star Gas Partners, L.P. and changed its name to Star Group, L.P. in October 2017. Star Group, L.P. was incorporated in 1995 and is based in Stamford, Connecticut.