ATCO Properties & Management, founded in 1922, is a family-owned and run real estate development and management company based in New York City, with about $2 billion in assets under management. The firm focuses on office and retail development projects in the New York metro area and Austin, Texas. As of 2015, ATCO's portfolio included 35 office, residential, retail, and industrial buildings. In New York, these included 555 Fifth Avenue, 40 Central Park South, 41 West 58th Street, 630 Third Avenue, 381 and 373 Park Avenue South, and the Atlas Terminals. ATCO owns properties in Texas, Connecticut, New Jersey, Florida, as well as outside the United States, in London, Barcelona, Paris, Brussels, Milan, Frankfurt, Ingolstadt, and Dublin. ATCO's other units provide real estate-related services such as financing, construction, accounting, brokerage, and consulting. The business grew out of the scrap fabric processing and recycling plant in Glendale, Queens, at the Atlas Terminals. Founder Henry Hemmerdinger got into the real estate business by leasing extra space in buildings on his terminals land. The companys legacy portfolio is concentrated in New York City and the surrounding area. MK