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EXHIBIT 21
WICOR, Inc.
Subsidiaries of the Registrant
State or Country Percent Voting
Subsidiaries of WICOR, Inc. in Which Incorporated Stock Owned
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Wisconsin Gas Company Wisconsin 100%
WICOR Energy Service Company Wisconsin 100%
FieldTech, Inc. Wisconsin 100%
WICOR Industries, Inc. Wisconsin 100%
Subsidiaries of State or Country Percent Voting
WICOR Industries, Inc. in Which Incorporated Stock Owned
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Sta-Rite Industries, Inc. Wisconsin 100%
SHURflo Pump Manufacturing Company California 100%
Hypro Corporation Minnesota 100%
WEXCO of Delaware, Inc. Delaware 100%
WICOR FSC, Inc. Barbados 100%
Subsidiaries of Sta-Rite State or Country Percent Voting
Industries, Inc. in Which Incorporated Stock Owned
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WICOR Canada Inc. Canada 79%
Sta-Rite de Mexico Mexico 80%
Sta-Rite Industries GmbH Germany .5%
Europa
WICOR Industries
(Australia) Pty. Ltd. Australia 100%
Fibredyne, Inc. New Hampshire 100%
Sta-Rite Holdings, B.V. Netherlands 100%
Webster Electric Company Delaware 100%
Hydro-Flow Filtration Systems, Inc. California 80%
Subsidiary of WICOR Country in Which Percent Voting
(Australia) Pty. Ltd. Incorporated Stock Owned
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Onga Pty. Ltd. Australia 100%
WICOR, Canada Inc. Australia 21%
Dega Research Pty. Ltd. Australia 100%
Subsidiaries of Sta-Rite Country in Which Percent Voting
Holdings, B.V. Incorporated Stock Owned
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Sta-Rite Industries Germany 99.5%
GmbH Europa
Onga (New Zealand) Pty. Ltd. New Zealand 100%
Nocchi Pompe S.p.A. Italy 97%
Subsidiary of Nocchi Pompe, Country in Which Percent Voting
S.p.A. Incorporated Stock Owned
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Nocchi Pompes S.a.r.l. France 100%
Nocchi Pompe Moscow Russia 100%
Subsidiary of SHURflo Pump Country in Which Percent Voting
Manufacturing Company Incorporated Stock Owned
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SHURflo Ltd. England 100%