EXHIBIT 21

Subsidiaries

Name	Ownership	Jurisdiction of Incorporation
Aerofin Corporation	100% owned by Ampco-Pittsburgh Securities V Corporation	New York
Ampco-Pittsburgh Securities III Corporation	100% owned by Ampco-Pittsburgh Corporation	Delaware
Ampco-Pittsburgh Securities V Corporation	100% owned by Ampco-Pittsburgh Corporation	Delaware
Ampco UES Sub, Inc.	100% owned by Union Electric Steel Corporation	Delaware
Buffalo Air Handling Company	100% owned by Ampco-Pittsburgh Corporation	Delaware
Buffalo Pumps, Inc.	100% owned by Ampco-Pittsburgh Corporation	Delaware
Union Electric Steel Corporation	100% owned by Ampco-Pittsburgh Securities V Corporation	Pennsylvania
Union Electric Steel B.V.B.A.	100% owned by 3048568 Nova Scotia Company	Belgium
Union Electric Steel (UK) Limited	100% owned by Ampco UES Sub, Inc.	England
The Davy Roll Company Limited	100% owned by Union Electric Steel (UK) Limited	England
Union Electric Steel (Hong Kong) Limited	100% owned by Union Electric Steel Corporation	Hong Kong

The financial statements of all subsidiaries have been consolidated with those of the Corporation. Names of other subsidiaries have been omitted because, considered in the aggregate as a single subsidiary, they would not constitute a significant subsidiary.

ampco pittsburgh | 2007 annual report