Eastern The Eastern Region currently consists of one pipeline company: Tennessee Gas Pipeline covers more than 13,700 miles.
Southern The Southern Region currently consists of three pipeline companies. The largest is Southern Natural Gas (97%), which extends 7,600 miles. The others include Florida Gas Transmission (50%) and pipelines for the Elba Island LNG facility.
Western The Western Region currently consists of five pipeline companies. The largest is El Paso Natural, which extends approximately 10,200 miles. The others include Colorado Interstate Gas (97%), Wyoming Interstate (67%), Cheyenne Plains, and the Mojave Pipeline.