At least five major organizations have announced that they are moving their meetings, which were previously scheduled to be held elsewhere, to New York City to show their support in the aftermath of the September 11 attacks.
- The American Society of Travel Agents' has decided to bring its World Travel Congress, which was originally scheduled to be held in Seville, Spain, to New York's Jacob K. Javits Convention Center November 4 to November 7, 2001.
- The American Society of Association Executives, whose members include the nation's top trade associations and hundreds of millions of dollars of potential convention business, moved its 150-person Board of Directors meeting, originally scheduled for Buenos Aires, to New York's Waldorf-Astoria. The meeting is scheduled for November 16 to 18, 2001.
- The American Federation of State, County and Municipal Employees, AFL-CIO’s biennial Women’s Conference, which was scheduled to be held in Boston, now will be held at New York's Sheraton New York Hotel and Towers from November 16 to 18, 2001. The 1,500-attendee conference will be dedicated to union member Father Mychal Judge and seven others who remain missing.
- The Magazine Publishers of America (MPA) decided to move its 600-attendee annual American Magazine Conference, which was to be held in Phoenix, to New York on October 21 to 24, 2001.
- Meeting Professionals International (MPI)’s Foundation Meeting, originally scheduled for Colorado, will instead be coming to New York City's New York Hilton and Towers on October 27, 2001.