AOK-Bundesverband (Federation of the AOK)

Aetna Inc.

Aetna, Inc.

Aflac Incorporated

Alexander & Alexander Services Inc.

Alfa Corporation

Alleanza Assicurazioni S.p.A.

Alleghany Corporation

Allianz Ag

Allianz Aktiengesellschaft Holding

Allmerica Financial Corporation

Amb Generali Holding Ag

American Financial Group Inc.

American General Corporation

American International Group, Inc.

American National Insurance Company

American Premier Underwriters, Inc.

American Re Corporation

Aon Corporation

Arthur J. Gallagher & Co.

Assicurazioni Generali Spa

Assurances Générales de France

Atlantic American Corporation

Aviva Plc

Axa Colonia Konzern Ag

B.A.T. Industries PLC

Baldwin & Lyons, Inc.

Benfield Greig Group plc

Berkshire Hathaway Inc.

Blue Cross And Blue Shield Association

Brown & Brown, Inc.

Business Men'S Assurance Company Of America

Bâloise-Holding

Catholic Order Of Foresters

China Life Insurance Company Limited

Choicepoint Inc.

Cigna Corporation

Cincinnati Financial Corporation

Cna Financial Corporation

Conseco, Inc.

Debeka Krankenversicherungsverein auf Gegenseitigkeit

ERGO Versicherungsgruppe AG

Erie Indemnity Company

Fairfax Financial Holdings Limited

Farm Family Holdings, Inc.

Farmers Insurance Group Of Companies

Fidelity National Financial Inc.

Foundation Health Corporation

Gainsco, Inc.

Geico Corporation

General Re Corporation

Gerling-Konzern Versicherungs-Beteiligungs-Aktiengesellschaft

Groupama S.A.

Gryphon Holdings, Inc.

Guardian Financial Services

Guardian Royal Exchange Plc

HDI (Haftpflichtverband der Deutschen Industrie Versicherung auf Gegenseitigkeit V.a.G.)

HUK-Coburg

Harleysville Group Inc.

HealthExtras, Inc.

Hilb, Rogal & Hobbs Company

Horace Mann Educators Corporation

Household International, Inc.

Irish Life & Permanent Plc

Jefferson-Pilot Corporation

John Hancock Financial Services, Inc.

Johnson & Higgins

Kaiser Foundation Health Plan, Inc.

Kemper Corporation

Legal & General Group plc

Liberty Mutual Holding Company

Lincoln National Corporation

Lloyd's of London

Lutheran Brotherhood

MBIA Inc.

MGIC Investment Corp.

Marsh & Mclennan Companies, Inc.

Massachusetts Mutual Life Insurance Company

Mercury General Corporation

Metropolitan Life Insurance Company

Millea Holdings Inc.

Mitsui Mutual Life Insurance Company

Modern Woodmen Of America

Munich Re (Münchener Rückversicherungs Gesellschaft Aktiengesellschaft In München)

NYMAGIC, Inc.

National Medical Health Card Systems, Inc.

New York Life Insurance Company

Nippon Life Insurance Company

Northwestern Mutual Life Insurance Company

Ohio Casualty Corp.

Old Republic International Corp.

Old Republic International Corporation

Oregon Dental Service Health Plan, Inc.

Palmer & Cay, Inc.

Pan American Life Insurance Company

Preserver Group, Inc.

Prudential Financial Inc.

Prudential Plc

Radian Group Inc.

Royal & Sun Alliance Insurance Group plc

SCOR S.A.

Skandia Insurance Company, Ltd.

StanCorp Financial Group, Inc.

State Auto Financial Corporation

State Farm Mutual Automobile Insurance Company

State Financial Services Corporation

Stewart Information Services Corporation

Sumitomo Life Insurance Company

SunAmerica Inc.

Svenska Handelsbanken AB

Swiss Reinsurance Company (Schweizerische Rückversicherungs-Gesellschaft)

Teachers Insurance and Annuity Association-College Retirement Equities Fund

The Allstate Corporation

The British United Provident Association Limited

The Chubb Corporation

The Doctors' Company

The First American Corporation

The Liberty Corporation

The Loewen Group Inc.

The Midland Company

The Paul Revere Corporation

The Pmi Group, Inc.

The Progressive Corporation

The Prudential Insurance Company of America

The St. Paul Companies, Inc.

The St. Paul Travelers Companies, Inc.

The Wawanesa Mutual Insurance Company

The Yasuda Mutual Life Insurance Company

Tig Holdings, Inc.

Torchmark Corporation

Transatlantic Holdings, Inc.

UICI

UNUM Corp.

United National Group, Ltd.

Unitrin Inc.

UnumProvident Corporation

Usaa

Victoria Group

Vision Service Plan Inc.

W.R. Berkley Corp.

Washington National Corporation

WellChoice, Inc.

Westfield Group

White Mountains Insurance Group, Ltd.

Willis Corroon Group Plc

Winterthur Group