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EXHIBIT 21.1
PROJECT SOFTWARE & DEVELOPMENT, INC.
LIST OF SUBSIDIARIES
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Name of Subsidiary Jurisdiction of Ownership
- ------------------ Incorporation ---------
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PSDI International Delaware (1)
Software, Inc.
PSDI Security Corporation Massachusetts (1)
PSDI International Delaware (2)
Holdings, Inc.
PSDI Export, Inc. Barbados (2)
PSDI (UK) Limited United Kingdom (2)
PSDI Canada Limited Canada (2)
PSDI France S.A.R.L. France (2)
PSDI Australia Pty. Australia (2)
Limited
PSDI Deutschland, GmbH Germany (2)
PSDI Europe Ltd. United Kingdom (2)
PSDI Espana S.A. Spain (2)
PSDI Benelux NV Netherlands (2)
PSDI Norden AB Sweden (2)
PSDI Japan K.K. Japan (2)
PSDI (Thailand) Limited Thailand (2)
PSDI India Private Limited India (2)
PSDI Brasil Ltda. Brazil (3)
PSDI Hong Kong Limited Hong Kong (2)
PSDI Mexico S.A. de C.V. Mexico (3)
PSDI Computer Software China (1)
Development (Shanghai) Co.
Ltd.
PSDI Italia s.r.l. Italy (1 & 2)
MRO.com, Inc. Delaware (1)
MRO.com, Limited United Kingdom (4)
MRO.com, Limited Canada (4)
MRO.com Pty Limited Australia (4)
MRO.com (Asia) Limited Hong Kong (4)
(1) All of the outstanding capital stock is owned by Project Software &
Development, Inc.
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(2) All of the outstanding capital stock (other than certain qualifying
shares required in the jurisdiction of organization and representing
from 0% to 2% of the outstanding capital stock), is owned by PSDI
International Software, Inc.
(3) 4,950 shares are owned by PSDI International Software, Inc. and 50
shares are owned by PSDI International Holdings, Inc.
(4) All outstanding capital stock is owned by MRO.com, Inc.