Trammell Crow Residential (TCR) builds and maintains quite the nest. It invests in, develops, builds, acquires, and manages multifamily residential real estate such as apartments and condominiums. Projects range from upscale to affordable housing. The company, which operates through about 20 offices across the US, has developed more than 225,000 individual units since its founding in the late 1970s. TCR's portfolio includes some 200 properties located in major markets across the country, with the heaviest concentrations in Texas, the Southeast, and the West. Many are are branded Alexan or Wynhaven Communities. The company split from Trammell Crow in 1977 but is still associated with the Crow family empire.