We are a full-service real estate development, design and construction management firm based in Oklahoma City.

Gardner Tanenbaum Holdings (also known as GTH) is a fully integrated commercial real estate conglomerate with over sixty years of development and ownership experience.

GTH develops, owns and leases office, multi-family and industrial properties across the continental United States with a primary focus on the State of Oklahoma. The company is one of the largest real estate developers in the region and manages over one million square feet of multi-family properties, six million square feet of industrial and office space and has an inventory of over 250 acres of strategically placed land holdings for development.

Oklahoma City Skyline