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Exhibit 21
 HCC INSURANCE HOLDINGS, INC.
SUBSIDIARIES
 State or Country ofNAME
    
    Incorporation1.
    
    
    Allied Underwriters, Inc.
    
    Indiana2.
    
    
    American Contractors Indemnity Company
    
    California3.
    
    
    Avemco Corporation
    
    Delaware4.
    
    
    Avemco Insurance Agency, Inc.
    
    Maryland5.
    
    
    Avemco Insurance Company
    
    Maryland6.
    
    
    Avemco Services, Inc.
    
    Maryland7.
    
    
    cineFinance Insurance Services, LLC
    
    California8.
    
    
    Continental Underwriters Ltd.
    
    Louisiana9.
    
    
    Covenant Claims Service, LLC
    
    Louisiana10.
    
    
    Covenant Underwriters Ltd.
    
    Louisiana11.
    
    
    Credance Limited
    
    United Kingdom12.
    
    
    Credit Shield Limited
    
    United Kingdom13.
    
    
    DeMontfort Investments Limited
    
    United Kingdom14.
    
    
    Dickson Manchester & Company, Limited
    
    United Kingdom15.
    
    
    G. B. Kenrick & Associates, Inc.
    
    Michigan16.
    
    
    HCC Acquisition Sub, Inc.
    
    New York17.
    
    
    HCC Administrators, Inc.
    
    Illinois18.
    
    
    HCC Aviation Insurance Group, Inc.
    
    Texas19.
    
    
    HCC Benefits Corporation
    
    Delaware20.
    
    
    HCC Credit Group, Inc.
    
    New York21.
    
    
    HCC Diversified Financial Products Limited
    
    United Kingdom22.
    
    
    HCC Employee Benefits, Inc.
    
    Delaware23.
    
    
    HCC Employer Services, Inc.
    
    Alabama24.
    
    
    HCC Employer Services, Inc.
    
    Illinois25.
    
    
    HCC Global Financial Products of Texas, LLC
    
    Texas26.
    
    
    HCC Global Financial Products, LLC
    
    Delaware27.
    
    
    HCC Global Financial Products, SL
    
    Spain28.
    
    
    HCC Indemnity Guaranty Agency, Inc.
    
    New York29.
    
    
    HCC Insurance Company
    
    Indiana30.
    
    
    HCC Insurance Holdings (International) Limited
    
    United Kingdom31.
    
    
    HCC Intermediate Holdings, Inc.
    
    Delaware32.
    
    
    HCC International Insurance Company PLC
    
    United Kingdom33.
    
    
    HCC Life Insurance Company
    
    Indiana34.
    
    
    HCC Properties, LLC
    
    Delaware35.
    
    
    HCC Reinsurance Company Limited
    
    Bermuda36.
    
    
    HCC Risk Management Corporation
    
    Texas37.
    
    
    HCC Service Company, Ltd.
    
    Texas38.
    
    
    HCC Service Delaware, LLC
    
    Delaware39.
    
    
    HCC Specialty Holdings (No. 1) Limited
    
    United Kingdom40.
    
    
    HCC Specialty Holdings (No. 2) Limited
    
    United Kingdom41.
    
    
    HCC Specialty Insurance Company
    
    Oklahoma42.
    
    
    HCC Specialty Insurance Holdings, Ltd.
    
    United Kingdom43.
    
    
    HCC Specialty Underwriters Agency of New York, Inc.
    
    New York44.
    
    
    HCC Specialty Underwriters Limited
    
    United Kingdom




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##### 



State or Country ofNAME
    
    Incorporation45.
    
    
    HCC Specialty Underwriters, Inc.
    
    Massachusetts46.
    
    
    HCC Strategic Investments (UK) Ltd.
    
    United Kingdom47.
    
    
    HCC Strategic Investments, LLC
    
    Delaware48.
    
    
    HCC Surety Group, Inc.
    
    Delaware49.
    
    
    HCC Trustees Limited
    
    United Kingdom50.
    
    
    HCC Underwriters, A Texas Corporation
    
    Texas51.
    
    
    HCCI Group Limited
    
    United Kingdom52.
    
    
    HCCL Holdings Limited
    
    United Kingdom53.
    
    
    HCCS Corporation
    
    Delaware54.
    
    
    Houston Casualty Company
    
    Texas55.
    
    
    Houston
Casualty Company Europe, Seguros y Reaseguros, S.A.
    
    Spain56.
    
    
    Illium Claims Services Limited
    
    United Kingdom57.
    
    
    Illium Insurance Services Ltd.
    
    United Kingdom58.
    
    
    Illium Managing Agency Ltd.
    
    United Kingdom59.
    
    
    Illium Trustees Ltd.
    
    United Kingdom60.
    
    
    Illium, Inc.
    
    Delaware61.
    
    
    InsPro Corporation
    
    California62.
    
    
    Intellicare, Inc.
    
    Alabama63.
    
    
    Interra, Inc.
    
    Indiana64.
    
    
    Kenrick Midwest Agency, Inc.
    
    Ohio65.
    
    
    Kenrick Midwest, Inc.
    
    Ohio66.
    
    
    LDG Insurance Agency Incorporated
    
    Massachusetts67.
    
    
    LDG Re (London) Ltd
    
    United Kingdom68.
    
    
    LDG Re Worldwide Limited
    
    Delaware69.
    
    
    LDG Re Worldwide Ltd.
    
    United Kingdom70.
    
    
    LDG Reinsurance Corporation
    
    Massachusetts71.
    
    
    Loss Management Services, Incorporated
    
    Maryland72.
    
    
    Loss Management, Inc.
    
    Delaware73.
    
    
    MAG Acquisition Sub, Inc.
    
    Delaware74.
    
    
    Manchester Dickson Holdings Limited
    
    United Kingdom75.
    
    
    Midwest Claims Services, Inc.
    
    Michigan76.
    
    
    Nameco (No. 808) Ltd.
    
    United Kingdom77.
    
    
    Novia Care Clinics, Inc.
    
    Indiana78.
    
    
    Novia Holdings, Inc.
    
    Indiana79.
    
    
    Novia Underwriters, Inc.
    
    Indiana80.
    
    
    Occidental Services, Inc.
    
    Delaware81.
    
    
    Pepys Holdings Limited
    
    United Kingdom82.
    
    
    Pepys Management Services Limited
    
    United Kingdom83.
    
    
    Perico Life Insurance Company
    
    Delaware84.
    
    
    Perico Ltd.
    
    Missouri85.
    
    
    PIA Holdings, Inc.
    
    New York86.
    
    
    Professional Indemnity Agency, Inc.
    
    New Jersey87.
    
    
    Professional Indemnity Agency, Inc. of N.Y.
    
    New York88.
    
    
    Profind Insurance Services Limited
    
    United Kingdom89.
    
    
    Rattner
Mackenzie (Bermuda) Ltd.
    
    Bermuda90.
    
    
    Rattner Mackenzie (North America), Inc.
    
    New York91.
    
    
    Rattner Mackenzie Limited
    
    United Kingdom92.
    
    
    Rattner Mackenzie Limited (RML) (Exempted) Co.
    
    Jordan93.
    
    
    Specialty Insurance Underwriters, Inc.
    
    Missouri94.
    
    
    Specialty Reinsurance Intermediaries, Inc.
    
    Massachusetts95.
    
    
    Surety Associates Holding Co., Inc.
    
    New Mexico




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##### 



State or Country ofNAME
    
    Incorporation96.
    
    
    The Centris Group, Inc.
    
    Delaware97.
    
    
    The Schanen Consulting Group, LLC
    
    Georgia98.
    
    
    TMD Rattner, LLC
    
    New York99.
    
    
    TTR, L.L.C.
    
    New York100.
    
    
    U.S. Specialty Insurance Company
    
    Texas101.
    
    
    United States Surety Company
    
    Maryland102.
    
    
    US Holdings, Inc.
    
    Delaware103.
    
    
    USBenefits Insurance Services, Inc.
    
    California104.
    
    
    USSC Holdings, Inc.
    
    Maryland105.
    
    
    VASA Brougher, Inc.
    
    Indiana106.
    
    
    VASA North America, Inc.
    
    Indiana