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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 RGtobiv6A0lZ9TyyvjXGBf3MuXZymHXedq3ZjwXuCmwf6oyvbwO6cCu094IEV/7k
 AE14XeDQwLJ8D9/TPwRhUQ==

<SEC-DOCUMENT>9999999997-09-017575.txt : 20090421
<SEC-HEADER>9999999997-09-017575.hdr.sgml : 20090421
<ACCEPTANCE-DATETIME>20090421154249
<PAPER>
ACCESSION NUMBER:		9999999997-09-017575
CONFORMED SUBMISSION TYPE:	ARS
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20081231
FILED AS OF DATE:		20090403
DATE AS OF CHANGE:		20090421
EFFECTIVENESS DATE:		20090403

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AON CORP
		CENTRAL INDEX KEY:			0000315293
		STANDARD INDUSTRIAL CLASSIFICATION:	INSURANCE AGENTS BROKERS & SERVICES [6411]
		IRS NUMBER:				363051915
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		ARS
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07933
		FILM NUMBER:		09010122

	BUSINESS ADDRESS:	
		STREET 1:		200 EAST RANDOLPH STREET
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601
		BUSINESS PHONE:		3123811000

	MAIL ADDRESS:	
		STREET 1:		200 EAST RANDOLPH STREET
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMBINED INTERNATIONAL CORP
		DATE OF NAME CHANGE:	19870504
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<TYPE>ARS
<SEQUENCE>1
<FILENAME>9999999997-09-017575.paper
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This document was generated as part of a paper submission.
Please reference the Document Control Number 09010122 for access to the original document.
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