1 EXHIBIT 21 SUBSIDIARIES OF THE PROGRESSIVE CORPORATION Jurisdiction Name of Subsidiary of Incorporation - ------------------ ---------------- Airy Insurance Center, Inc. Pennsylvania Allied Insurance Agency, Inc. Ohio Classic Insurance Company Wisconsin Express Quote Services, Inc. Florida Garden Sun Insurance Services, Inc. Hawaii Gold Key Insurance Agency California Greenberg Financial Insurance Services, Inc. California Halcyon Insurance Company Ohio Insurance Confirmation Services, Inc. Delaware Lakeside Insurance Agency, Inc. Ohio Maryland Auto Insurance Solutions, Inc. Maryland Mountain Laurel Assurance Company Pennsylvania Mountainside Insurance Agency, Inc. Colorado National Continental Insurance Company New York Pacific Motor Club California Paloverde Insurance Company of Arizona Arizona PCIC Canada Holdings, Ltd. Canada Progressive Casualty Insurance Company of Canada Canada Progny Agency, Inc. New York Progressive Adjusting Company, Inc. Ohio Progressive American Insurance Company Florida Bayside Underwriters Insurance Agency, Inc. Florida Progressive Gulf Insurance Company Mississippi Progressive American Life Insurance Company Ohio Progressive Life Insurance, Ltd. Turks & Caicos Islands Progressive Bayside Insurance Company Florida Progressive Casualty Insurance Company Ohio PC Investment Company Delaware Auto Pro Insurance Company Florida Marathon Insurance Company California Ohana Insurance Company of Hawaii, Inc. Hawaii Preferred Consumers Insurance Company Florida Progressive Express Insurance Company Florida Progressive Indemnity Insurance Company Louisiana Progressive Michigan Insurance Company Michigan Progressive Security Insurance Company Louisiana Progressive Value Insurance Company Louisiana Progressive Specialty Insurance Company Ohio Progressive Insurance Agency, Inc. Ohio Progressive Investment Company, Inc. Delaware Progressive Max Insurance Company Ohio Progressive Mountain Insurance Company Colorado Progressive Northeastern Insurance Company New York Progressive Northern Insurance Company Wisconsin Progressive Premier Insurance Company of Illinois Illinois Progressive Universal Insurance Company of Illinois Illinois Progressive Northwestern Insurance Company Washington Progressive Partners, Inc. New York Progressive Preferred Insurance Company Ohio Progressive Premium Budget, Inc. Ohio Progressive Southeastern Insurance Company Florida Pro-West Insurance Company California Tampa Insurance Services, Inc. Florida The Paradyme Corporation Ohio The Progressive Agency, Inc. Virginia Transportation Recoveries, Inc. Ohio United Financial Adjusting Company Ohio United Financial Casualty Company Missouri Village Transport Corp. Delaware Wilson Mills Land Co. Ohio Each subsidiary is wholly owned by its parent.