Exhibit 21

SUBSIDIARIES OF THE REGISTRANT

The following is a list of significant subsidiaries included in GATX’s consolidated financial statements and the state or country of incorporation of each:

	State or Country
Company Name	of Incorporation
American Steamship Company		New York
GATX Terminals Overseas Holding Corporation		Delaware
GATX Global Holding GmbH		Switzerland
GATX Rail Austria GmbH		Austria
GATX Third Aircraft Corporation		Delaware
General American Transportation Holding Corporation		Delaware
Grupo GATX de Mexico, Inc.		Delaware
GATX de Mexico, Inc.		Delaware
GATX International Limited		United Kingdom

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