EXHIBIT 21
SUBSIDIARIES OF UNITED INDUSTRIAL CORPORATION
March 4, 2003
State Approximate Percentage of
(or jurisdiction) Voting Securities Owned by
Name in which Incorporated Immediate Parent
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AAI Corporation Maryland 100% (a)
A.A.I. Engineering Support, Inc. Maryland 100 (b)
A.A.I. International, Inc. Delaware 100 (b)
Seti, Inc. Pennsylvania 100 (b)
AAI Medical, Inc. Maryland 100 (b)
AAI MICROFLITE Simulation International
Corporation Maryland 100 (b)
AAI/ACL Technologies, Inc. Maryland 100 (b)
AAI/ACL Technologies Europe Limited Britain 100 (c)
AAI California Carshells, Inc. Maryland 100 (b)
AAI Aerospace Services Corp. Maryland 100 (b)
AAI Romania Technologies, S.R.L. Romania 100 (b)
Detroit Stoker Company Michigan 100 (a)
Midwest Metallurgical Laboratory, Inc. Michigan 100 (d)
U.I.C. International, Ltd. Barbados 100 (a)
<FN>
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(a) Percentage owned by United Industrial Corporation ("United").
(b) Percentage owned by AAI Corporation.
(c) Percentage owned by AAI/ACL Technologies, Inc.
(d) Percentage owned by Detroit Stoker Company.
</FN>
All of the subsidiaries listed above are included in the consolidated financial
statements of United.