South Jersey Industries is a holding company. Co. provides a variety of energy-related products and services through its subsidiaries. Co.'s subsidiary, SJI Utilities, Inc. owns South Jersey Gas Company, a regulated natural gas utility which distributes natural gas in the southernmost counties of New Jersey; Elizabethtown Gas Company, a regulated natural gas utility which distributes natural gas in northern and central New Jersey; and Elkton Gas Company, a regulated natural gas utility which distributes natural gas in northern Maryland. Co.'s subsidiary, South Jersey Energy Company acquires and markets electricity to retail end users.