1 EXHIBIT 21 WICOR, Inc. Subsidiaries of the Registrant State or Country Percent Voting Subsidiaries of WICOR, Inc. in Which Incorporated Stock Owned ---------------------------------- --------------------- -------------- Wisconsin Gas Company Wisconsin 100% Sta-Rite Industries, Inc. Wisconsin 100% SHURflo Pump Manufacturing Company California 100% WEXCO of Delaware, Inc. Delaware 100% WICOR FSC, Inc. Barbados 100% Subsidiaries of Sta-Rite Industries ----------------------------------- WICOR Canada Inc. Canada 100% Sta-Rite de Mexico Mexico 80% Sta-Rite Industries GmbH Germany .5% Europa WICOR Industries (Australia) Pty. Ltd. Australia 100% Onga (New Zealand) Pty. Ltd. New Zealand 100% Sta-Rite Holdings, B.V. Netherlands 100% Nocchi Pompe S.p.A. Italy 47% Webster Electric Co. Delaware 100% Subsidiary of WICOR (Australia) Pty. Ltd ---------------------------------- Onga Pty. Ltd. Australia 100% Dega Research Pty. Ltd. Australia 100% Subsidiaries of Sta-Rite Holdings, B.V. ---------------------------------- Sta-Rite Industries Germany 95.5% GmbH Europa Nocchi Pompe S.p.A. Italy 30% Subsidiary of Nocchi Pompe, S.p.A. ---------------------------------- Midi Pompes S.a.r.l. France 100% Nocchi Pompe Moscow Russia 90% Subsidiary of SHURflo Pump Manufacturing Company ---------------------------------- SHURflo Ltd. England 100% /TABLE