Southern California Gas Company is a regulated public utility that owns and operates a natural gas distribution, transmission and storage system. The Company delivers natural gas, covering an approximately 24,000 square mile service territory that encompasses Southern California and portions of central California, excluding San Diego County, the City of Long Beach and the desert area of San Bernardino County. Its natural gas facilities include 3,037 miles of transmission and storage pipelines, 52,567 miles of distribution pipelines, 48,999 miles of service pipelines and nine transmission compressor stations. The Company's and San Diego Gas & Electric Company’s gas transmission pipelines interconnect with four interstate pipeline systems: El Paso Natural Gas, Transwestern Pipeline, Kern River Pipeline Company, and Mojave Pipeline Company. Its gas transmission pipeline system also has an interconnect with a Mexican gas pipeline company at Otay Mesa on the California/Mexico border.