Aon
2003 rank: 212
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FORTUNE 500 appearances:
Revenues 8,822.0 14.9 212 247
Profits 466.0 129.6 175 259
Assets 25,000.0 ó 139 158
Stockholders' Equity 3,895.0 ó 204 219
Market Value 5,761.6 ó 238 ó
Employees* 55,000 ó 118 ó
Revenues 5.3 175 270
Assets 1.9 264 ó
Stockholders' equity 12.0 206 ó
2002 ($) 1.64
2001 ($) 0.73
% change 124.7
10-year growth rate (%) 12.3
2002 -45.1 390
10-year annual rate 4.5 258
Since 1955, when the first FORTUNE 500 was created, more than 1,800 companies have appeared on the list. Many of these companies have changed names over this period, owing to mergers, acquisitions, and bankruptcies. Other companies have gone private, or simply changed their names.

Companies are listed by the name with which they were associated in 2005, or at the time of their most recent list appearance before that. FORTUNE 500 companies that have been acquired by other FORTUNE 500 companies are listed under the name of the acquiring company. Rankings have been revised to reflect corrections in data.

*Employee data is total number, not in $ millions.
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