South Jersey Industries, Inc., through its subsidiaries, provides energy related products and services. It engages in the purchase, transmission, and sale of natural gas. The company also sells natural gas and pipeline transportation capacity on a wholesale basis to residential, commercial, and industrial customers on the interstate pipeline system, as well as transports natural gas purchased directly from producers or suppliers to their customers. As of December 31, 2014, it had approximately 122.7 miles of mains in the transmission system and 6,339 miles of mains in the distribution system; and served 366,854 residential, commercial, and industrial customers in southern New Jersey. In addition, the company develops, owns, and operates energy projects, such as thermal facilities, combined heat and power facilities, landfill gas-fired electric production facilities, and solar projects that provide cooling, heating, and emergency power. Further, it markets natural gas storage, commodity, and transportation assets on a wholesale basis for energy marketers, electric and gas utilities, power plants, and natural gas producers in the mid-Atlantic, Appalachian, and southern regions of the United States. Additionally, the company acquires, transports, and markets natural gas and electricity to approximately 5,900 commercial and industrial customers, as well as markets total energy management services; owns oil, gas, and mineral rights in the Marcellus Shale region of Pennsylvania; and services residential and small commercial HVAC systems, and installs small commercial HVAC systems, as well as provides plumbing services and services appliances. South Jersey Industries, Inc. was founded in 1910 and is based in Folsom, New Jersey.