Tallgrass Interstate Gas Transmission spans 4,650 miles across Colorado, Wyoming, Kansas, Nebraska, and Missouri. Owned by Tallgrass Energy and managed by Tallgrass Interstate Gas Transmission, LLC, the pipeline operates above half its capacity, predominantly serving utility/power and industrial sectors. Major customers include Black Hills Energy, KAAPA Ethanol, and Spire Missouri Inc. Tallgrass Interstate Gas Transmission, LLC conducts natural gas exchange, transportation, and storage operations.