AON CORPORATION is a holding company whose operating
subsidiaries carry on business in three distinct segments:
1. insurance brokerage and other services;
2. consulting; and
3. insurance underwriting.
Incorporated in 1979, it is the parent corporation of
long-established and more recently formed companies.
The Insurance Brokerage and Other Services segment consists
principally of Aon's retail and reinsurance brokerage operations, which includes
specialty and wholesale activity. These services are provided by Aon Group,
Inc., its subsidiaries and certain other indirect subsidiaries of the Company,
including Aon Risk Services Companies, Inc.; Aon Holdings BV; Aon Services
Group, Inc.; Aon Re Worldwide, Inc.; Aon Group Limited; and Alternative Market
Operations.
The Consulting segment provides a range of consulting
services including employee benefits, human resources, compensation and change
management. These services are provided by Aon Consulting Worldwide, Inc. which
is also a subsidiary of Aon Group.
Aon's Insurance Underwriting segment is comprised of direct
sales life and accident and health insurance, extended warranty, specialty and
other insurance products. Combined Insurance Company of America engages in the
marketing and underwriting of life and accident and health insurance products.
Virginia Surety Company, Inc. and London General Insurance Company Limited offer
extended warranty and specialty insurance products.
