Tallgrass Energy Holdings LLC (TGE) operates natural gas and crude oil pipelines and storage facilities as well as providing water hauling services with assets in Wyoming, Colorado, and Nebraska. Subsidiaries include Rockies Express Pipeline (REX), Pony Express Pipeline (PXP), Powder River Gateway, Cheyenne Connector, and Trailblazer Pipeline. Blackstone Infrastructure Partners has a controlling interest in the general partner. Common units are listed on the NYSE (TGE) exchange.
Tallgrass was formed in 2012 by David Dehaemers to acquire assets from Kinder Morgan with funding from Kelso Private Equity, Energy & Minerals Group (EMG), and Magnetar. The group completed a public offering in 2015. Blackstone, GIC, and Enagás acquired 100% of the general partner and a combined 43.9% stake in the limited partner from Kelso, EMG, and management in 2019.