Vornado Realty Trust is a veritable whirlwind of real estate activity. The company's office holdings, which total more than 38 million sq. ft. of space, include more than 80 properties in and around Washington, DC, and nearly 30 more in New York City, primarily in Manhattan. The company's retail portfolio consists of about 160 strip centers, malls, and street-level stores with more than 25 million sq. ft. in the Northeast, California, and Puerto Rico. Its Merchandise Mart segment owns six showroom properties, including Chicago's Merchandise Mart and L.A. Mart; it also produces trade shows. In addition, Vornado owns about a third each of New York retail property owner Alexander's and Toys ''R'' Us.