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EXHIBIT 21.1
PROJECT SOFTWARE & DEVELOPMENT, INC.
LIST OF SUBSIDIARIES
JURISDICTION OF
NAME OF SUBSIDIARY INCORPORATION OWNERSHIP
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PSDI International Software, Inc. Delaware (1)
PSDI Security Corporation Massachusetts (1)
PSDI International Holdings, Inc. Delaware (2)
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. Limited Australia (2)
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)
Maintenet Corporation Ohio (1)
Maintenet Corp. Canada (4)
PSDI Mexico S.A. de C.V. Mexico (3)
The A.R.M. Group Canada (4)
Maintenance Automation Corporation Florida (1)
(1) All of the outstanding capital stock is owned by Project Software &
Development, Inc.
(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.
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(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 is owned by PSDI Canada Limited.