Marina Energy is in the business of developing energy-related projects. It has undertaken projects for Marina Thermal Facility, Mannington Mills, Resorts Atlantic City and Johnson Matthey. Marina Energy is a wholly owned subsidiary of South Jersey Industries, which is an energy service holding company. South Jersey Industries also operates South Jersey Gas, South Jersey Energy Solutions, South Jersey Energy, South Jersey Resources Group and South Jersey Energy Service Plus. South Jersey Industries participates in a variety community events and programs.