Founded in 1978 as a Texas development company, Transwestern Commercial Services is one of the largest privately held commercial real estate firms in the United States. The company is active in the real estate service, development and investment management businesses. Its focus is troubled asset repositioning for clients. Its other product specialties include office, industrial, retail, multifamily and health care, as well as running a wholly owned research affiliate, Delta Associates. Transwestern is also on the cutting edge of sustainability, having received multiple Energy Star® awards from the Environmental Protection Agency.