Tallgrass is a leading energy infrastructure company operating in the midstream sector. Founded in 2012, it delivers energy and services across the United States, with a focus on safety, reliability, and sustainability. The company is headquartered in Lakewood, Colorado, with additional offices in Houston, Texas, and Leawood, Kansas.
The company's operations centre on natural gas gathering, processing, and transportation. It operates more than 7,000 miles of FERC-regulated pipeline and storage systems, with a combined natural gas transportation capacity exceeding 10.3 billion cubic feet per day. Its major assets include the Rockies Express Pipeline (REX), Ruby Pipeline, Tallgrass Interstate Gas Transmission, Trailblazer Pipeline, Cheyenne Connector, and East Cheyenne Gas Storage, which holds approximately 25 billion cubic feet of capacity.
Beyond conventional natural gas infrastructure, Tallgrass is engaged in decarbonization efforts and develops solutions in CO2 handling, hydrogen, and water infrastructure. The company has been recognized for its sustainability performance with a 5-star rating from GRESB's Infrastructure Asset Assessment.






