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World Trade Center: A city in towers

NEW YORK (CNN) -- The Twin Towers of the World Trade Center housed the offices of more than 430 businesses from 26 countries.

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Around 50,000 people worked in the complex that was home to stores, restaurants, international business and hotels. Tens of thousands more people visited the complex every day.

Most of the World Trade Center's commercial tenants were involved in banking and finance, insurance, transportation, import and export, customs brokerage and trade association. There also were representatives of foreign governments.

The World Trade Center complex comprised seven buildings, including One and Two World Trade Center (the Twin Towers), Four and Five World Trade Center, and a mall with thousands of feet of retail space.

The 22-story World Trade Center Marriott Hotel, the eight-story U.S. Customshouse, and Seven World Trade Center -- a 47-story office building -- also are part of the complex.

Among the tenants of the Twin Towers were The Port Authority of New York and New Jersey, which had offices on the 67th and 68th floors. Empire Blue and Cross Blue Shield, an insurance company, occupied 10 floors, and Sun Microsystems leased two floors.

Dow Jones Markets, a provider of news and market information, had two floors and Oppenheimer Funds Inc., leased four floors.

Other tenants included The World Trade Institute, Aon Risk Services Inc., and financial services company Exco Noonan Inc.

More than 70 stores and restaurants were located there, from the famous Windows on the World at the top of One World Trade Center to Ben & Jerry's and Godiva Chocolates in the center's mall.

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