At the time of the September 11, 2001 attacks,
Salomon Smith Barney was by far the largest tenant in 7 World Trade Center, occupying 1,202,900 sq ft (111,750 m2) (64 percent of the building) which included floors 28–45.
[2][27] Other major tenants included
ITT Hartford Insurance Group (122,590 sq ft/11,400 m²),
American Express Bank International (106,117 sq ft/9,900 m²),
Standard Chartered Bank (111,398 sq ft/10,350 m²), and the
Securities and Exchange Commission (106,117 sq ft/9,850 m²).
[27] Smaller tenants included the
Internal Revenue Service Regional Council (90,430 sq ft/8,400 m²) and the
United States Secret Service (85,343 sq ft/7,900 m²).
[27] The smallest tenants included the
New York City Office of Emergency Management,
[28] National Association of Insurance Commissioners,
Federal Home Loan Bank, First State Management Group Inc.,
Provident Financial Management, and the
Immigration and Naturalization Service.
[27] The
Department of Defense (DOD) and
Central Intelligence Agency (CIA) shared the 25th floor with the IRS.
[2] Floors 46–47 were mechanical floors, as were the bottom six floors and part of the seventh floor.
[2][29]