For over eight decades, ATCO has owned, managed, and developed a diverse real estate portfolio, primarily in and around New York City, and provided a range of services to other real estate owners. The company is in its fourth generation of family ownership, and ATCO presently owns and manages more than 35 buildings ranging from high-rise office and residential towers to retail properties, from one-story industrial structures to high tech flex buildings. The portfolio of New York City properties includes: 555 Fifth Avenue, 40 Central Park South, 41 West 58th Street, 630 Third Avenue, 381 and 373 Park Avenue South and the Atlas Terminals. Nationally, the corporation owns properties from Austin, Texas to Darien, Connecticut, and from Totowa, New Jersey to Orlando, Florida; internationally, ATCO has investments in seven European countries.

ATCO’s acquisition and development activities are presently focused in Austin and metro New York, and concentrate in the retail and office sectors. Various service divisions --- including design and construction, property management, accounting, commercial and residential brokerage, energy and sustainability consulting, distressed asset advisory and brownfield redevelopment advisory --- provide high-quality service to clients in and around New York City.