Northern Natural Gas Company (Northern) is a subsidiary of Berkshire Hathaway Energy based in Omaha, Nebraska and has been in business since 1930. Northern owns and operates the largest interstate natural gas pipeline system in the United States. Northern's pipeline system stretches across 11 states, from the Permian Basin in Texas to Michigan's Upper Peninsula, providing access to five of the major natural gas supply regions in North America. Northern provides natural gas transportation and storage services to 81 utilities and numerous producers, energy marketing companies and industrial end users. Provides grid transportation between other interstate and intrastate pipelines, and access to major North American gas supply basins in Canada, the Rocky Mountains, the MidContinent and Permian Basins, and major shale gas developments.