##### 



Exhibit 21
 HCC
INSURANCE HOLDINGS, INC.
SUBSIDIARIES
 STATE OR COUNTRYNAME
    
    INCORPORATED1
    
    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
    
    BDI Acquisition Sub, Inc.
    
    Delaware8
    
    Centris Group, Inc., The
    
    Delaware9
    
    cineFinance Insurance Services, LLC
    
    California10
    
    Continental Underwriters Ltd.
    
    Louisiana11
    
    Covenant Claims Service, LLC
    
    Louisiana12
    
    Covenant Underwriters Ltd.
    
    Louisiana13
    
    Credit Shield Limited
    
    United Kingdom14
    
    DeMontfort Investments Limited
    
    United Kingdom15
    
    Dickson Manchester & Company, Limited
    
    United Kingdom16
    
    G.B. Kenrick & Associates, Inc.
    
    Michigan17
    
    HCC Acquisition Sub, Inc.
    
    New York18
    
    HCC Administrators, Inc.
    
    Illinois19
    
    HCC Aviation Insurance Group, Inc.
    
    Texas20
    
    HCC Benefits Corporation
    
    Delaware21
    
    HCC Claims Services Limited
    
    United Kingdom22
    
    HCC Credit Group, Inc.
    
    New York23
    
    HCC Diversified Financial Products Limited
    
    United Kingdom24
    
    HCC Employee Benefits, Inc.
    
    Delaware25
    
    HCC Employer Services, Inc.
    
    Alabama26
    
    HCC Employer Services, Inc.
    
    Illinois27
    
    HCC Global Financial Products of Texas, LLC
    
    Texas28
    
    HCC Global Financial Products, LLC
    
    Delaware29
    
    HCC Global Financial Products, SL
    
    Spain30
    
    HCC Indemnity Guaranty Agency, Inc.
    
    New York31
    
    HCC Insurance Company
    
    Indiana32
    
    HCC Insurance Holdings (International) Limited
    
    United Kingdom33
    
    HCC Insurance Services Ltd.
    
    United Kingdom34
    
    HCC Intermediate Holdings, Inc.
    
    Delaware35
    
    HCC International Insurance Company PLC
    
    United Kingdom36
    
    HCC Life Insurance Company
    
    Indiana37
    
    HCC Reinsurance Company Limited
    
    Bermuda38
    
    HCC Risk Management Corporation
    
    Texas39
    
    HCC Service Company, Ltd.
    
    Texas40
    
    HCC Service Delaware, LLC
    
    Delaware41
    
    HCC Specialty Holdings (No. 1) Limited
    
    United Kingdom42
    
    HCC Specialty Holdings (No. 2) Limited
    
    United Kingdom43
    
    HCC Specialty Insurance Company
    
    Oklahoma44
    
    HCC Specialty Insurance Holdings, Ltd.
    
    United Kingdom45
    
    HCC Specialty Underwriters Agency of New York, Inc.
    
    New York46
    
    HCC Specialty Underwriters Limited
    
    United Kingdom47
    
    HCC Specialty Underwriters, Inc.
    
    Massachusetts48
    
    HCC Strategic Investments (UK) Ltd.
    
    United Kingdom49
    
    HCC Strategic Investments, LLC
    
    Delaware50
    
    HCC Surety Group, Inc.
    
    Delaware51
    
    HCC Trustees Limited
    
    United Kingdom52
    
    HCC Underwriters, A Texas Corporation
    
    Texas53
    
    HCC Underwriting Agency Ltd.
    
    United Kingdom54
    
    HCCI Group Limited
    
    United Kingdom55
    
    HCCL Holdings Limited
    
    United Kingdom




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##### 



STATE OR COUNTRYNAME
    
    INCORPORATED56
    
    HCCS Corporation
    
    Delaware57
    
    Houston Casualty Company
    
    Texas58
    
    Houston Casualty Company Europe, Seguros y Reaseguros, S.A.
    
    Spain59
    
    Illium Trustees Ltd.
    
    United Kingdom60
    
    Illium, Inc.
    
    Delaware61
    
    InsPro Corporation
    
    California62
    
    Intellicare, Inc.
    
    Alabama63
    
    Interra, Inc.
    
    Indiana64
    
    LDG Re (London) Ltd
    
    United Kingdom65
    
    LDG Re Worldwide Limited
    
    Delaware66
    
    LDG Re Worldwide Ltd.
    
    United Kingdom67
    
    LDG Reinsurance Corporation
    
    Massachusetts68
    
    LifeTrac, Inc.
    
    Delaware69
    
    Loss Management Services, Incorporated
    
    Maryland70
    
    Loss Management, Inc.
    
    Delaware71
    
    MAG Acquisition Sub, Inc.
    
    Delaware72
    
    Manchester Dickson Holdings Limited
    
    United Kingdom73
    
    Midwest Claims Services, Inc.
    
    Michigan74
    
    Multinational Underwriters, LLC
    
    Wisconsin75
    
    Nameco (No. 808) Ltd.
    
    United Kingdom76
    
    Novia Care Clinics, Inc.
    
    Indiana77
    
    Novia Holdings, Inc.
    
    Indiana78
    
    Novia Underwriters, Inc.
    
    Indiana79
    
    Occidental Services, Inc.
    
    Delaware80
    
    PEPYS Holdings Limited
    
    United Kingdom81
    
    PEPYS Management Services Limited
    
    United Kingdom82
    
    Perico Life Insurance Company
    
    Delaware83
    
    Perico Ltd.
    
    Missouri84
    
    PIA Holdings, Inc.
    
    New York85
    
    Pioneer General Insurance Company
    
    Colorado86
    
    Ponderosa Management, Inc.
    
    Colorado87
    
    Professional Indemnity Agency, Inc.
    
    New Jersey88
    
    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
    
    Schanen Consulting Group, LLC, The
    
    Georgia94
    
    Specialty Insurance Underwriters, Inc.
    
    Missouri95
    
    Specialty Reinsurance Intermediaries, Inc.
    
    Massachusetts96
    
    Surety Associates Holding Co., Inc.
    
    New Mexico97
    
    TMD Rattner, LLC
    
    New York98
    
    TTR, L.L.C.
    
    New York99
    
    U. S. Specialty Insurance Company
    
    Texas100
    
    United States Surety Company
    
    Maryland101
    
    US Holdings, Inc.
    
    Delaware102
    
    USBenefits Insurance Services, Inc.
    
    California103
    
    USSC Holdings, Inc.
    
    Maryland104
    
    VASA Brougher, Inc.
    
    Indiana105
    
    VASA North America, Inc.
    
    Indiana106
    
    Vintage Insurance Programs, LLC
    
    Delaware