The principal activity of the company is as an energy services company whose principal subsidiary is southern California gas company, the nation's largest natural gas distribution utility, with 4.8 million meters. The company also markets a wide range of unregulated energy products and services, including natural gas, and has interests in international utility operations in Argentina and Mexico, interstate and offshore natural gas pipelines and centralised heating and cooling for large building complexes.principal subsidiaries: southern California gas co; pacific enterprises international; pacific interstate co; pacific interstate offshore co; pacific interstate transmission co; pacific offshore pipeline co; pacific energy.
