Tallgrass is a wholly owned Osage Nation subsidiary headquartered in Tulsa, Oklahoma. Responsible for the oversight and management of several subsidia

Built upon the core values of TRADITION, LOYALTY, HONOR and PROSPERITY, Tallgrass is committed to delivering world-class people, products and services in every venture – increasing profits and value while serving the needs of our nation with distinction. The name “Tallgrass” is a proud reference to the land upon which we live. It’s also a metaphor. A symbol. A goal. A one-word mission statement and non-negotiable commitment to growth – sowing the seeds of success for every life we touch.