Company:  AON CORP (AOC)
Form Type:  8-K
Filing Date:  7/1/2009 
CIK:  0000315293 
Address:  200 EAST RANDOLPH STREET 
City, State, Zip:  CHICAGO, Illinois 60601 
Telephone:  (312) 381-1000 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$39.03  
Change: 
-0.04 (-0.10%)  
Trade Time: 
Nov 20  
Market Cap: 
$10.69B
Description of Business
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  FORM 8-K
    SECTION 1 BUSINESS AND OPERATIONS
      Item 1.01. Entry into a Material Definitive Agreement.
    SECTION 2 FINANCIAL INFORMATION
      Item 2.03. Creation of a Direct Financial Obligation ...
    SECTION 9 FINANCIAL STATEMENTS AND EXHIBITS
      Item 9.01. Financial Statements and Exhibits.
    SIGNATURES
    EXHIBIT INDEX
  EXHIBIT 4.1