SUBSIDIARIES OF WILLBROS GROUP, INC.
 Company Name and Name Under Which it is DoingBusiness (if applicable)
    
    Jurisdiction of Incorporation or Organization0795781 B.C. Ltd
    
    Canada (British Columbia)Bemis, LLC
    
    Vermont, USAB&H Maintenance and Construction, Inc.
    
    New Mexico, USAChapman Construction Co., L.P.
    
    Texas, USAChapman Construction Management Co., Inc.
    
    Texas, USAChapman Holding Co., Inc.
    
    Nevada, USAConstruction & Turnaround Services, L.L.C.
    
    Oklahoma, USAConstruction & Turnaround Services of California, Inc.
    
    Oklahoma, USAFlowers Construction Co., L.P.
    
    Texas, USAFlowers Holding Co., Inc.
    
    Texas, USAFlowers Limited Partner, Inc.
    
    Nevada, USAFlowers Management Co., Inc.
    
    Texas, USAForward Company for Energy & Infrastructure PSC
    
    IraqHalpin Line Construction LLC
    
    New York, USAHawkeye, LLC
    
    New York, USAInfrastruX Group Common Paymaster, LLC
    
    Delaware, USAInfrastruX Group, LLC
    
    Delaware, USAInfrastruX Hawkeye Holdings, LLC
    
    Delaware, USAIntercon Construction Trucking, Inc.
    
    Wisconsin, USAIntercon Construction, Inc.
    
    Wisconsin, USAInterPower Line Services Corporation
    
    Delaware, USALineal Industries, Inc.
    
    Pennsylvania, USAWillbros Downstream, LLC
    
    Oklahoma, USAWillbros Downstream of Oklahoma, Inc.
    
    Oklahoma, USAMusketeer Oil B.V.
    
    NetherlandsP/L Equipment LP
    
    Canada (Alberta)Premier Utility Services, LLC
    
    New York, USAPT Willbros Indonesia
    
    IndonesiaSkibeck Pipeline Company, Inc.
    
    New York, USASkibeck PLC, Inc.
    
    New York, USATexas Electric Utility Construction Management, L.L.C.
    
    Texas, USATexas Electric Utility Construction, Ltd.
    
    Texas, USAThe Oman Construction Company (TOCO) L.L.C.
    
    OmanTrafford Corporation
    
    Pennsylvania, USAUTILX Corporation
    
    Delaware, USAUtilX India Private Limited
    
    IndiaUtilX Overseas Holdings, Inc.
    
    Delaware, USAW International Limited
    
    Cayman IslandsWillbros Africa Limited
    
    Cayman IslandsWillbros Al-Rushaid Limited
    
    Saudi ArabiaWillbros Canada Holdings ULC
    
    Canada (British Columbia)Willbros (Canada) GP I Limited
    
    Canada (British Columbia)Willbros (Canada) GP III Limited
    
    Canada (British Columbia)Willbros Construction Services (Canada) L.P.
    
    Canada (Alberta)Willbros Constructors (Cayman) Limited
    
    Cayman IslandsWillbros Construction California (U.S.), Inc.
    
    Delaware, USA




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Company Name and Name Under Which it is DoingBusiness (if applicable)
    
    Jurisdiction of Incorporation or OrganizationWillbros Construction (U.S.), LLC
    
    Delaware, USAWillbros Contracting Limited
    
    CyprusWillbros Energy Services Company
    
    Delaware, USAWillbros Engineering & Construction Limited
    
    CanadaWillbros Engineers (UAE) Limited
    
    United KingdomWillbros Engineers (UAE) Limited  Abu Dhabi Branch
    
    United KingdomWillbros Engineers (U.S.), LLC
    
    Delaware, USAWillbros (Overseas) Limited
    
    Cayman IslandsWillbros Far East, Inc.
    
    VanuatuWillbros Far East Sdn. Bhd.
    
    MalaysiaWillbros Financial Services Limited
    
    Cayman IslandsWillbros Global Holdings, Inc.
    
    PanamaWillbros Global Infrastructure Limited
    
    Cayman IslandsWillbros Government Services (U.S.), LLC
    
    Delaware, USAWillbros Industrial de Mexico, S. de R.L. de C.V.
    
    MexicoWillbros Hammer LLC
    
    Delaware, USAWillbros International Dutch Antilles N.V.
    
    Netherlands AntillesWillbros International Dutch B.V.
    
    The NetherlandsWillbros International Dutch II B.V.
    
    The NetherlandsWillbros International Equipment (Mauritius) Limited
    
    MauritiusWillbros International Finance & Equipment Limited
    
    Cayman IslandsWillbros International, Inc.
    
    PanamaWillbros International Papua New Guinea Limited
    
    Papua New GuineaWillbros International Pty Limited
    
    AustraliaWillbros Kuwait Gas & Oil Field Services Co. (w.l.l.)
    
    KuwaitWillbros Middle East, Inc.
    
    PanamaWillbros Middle East Limited
    
    Cayman IslandsWillbros Midstream Services (U.S.), LLC
    
    Delaware, USAWillbros Midwest Pipeline Construction (Canada) L.P.
    
    AlbertaWillbros (Overseas) Limited
    
    United KingdomWillbros (Overseas) Limited  Libya Branch
    
    United KingdomWillbros Project Services (U.S.), LLC
    
    Delaware, USAWillbros Refinery and Maintenance Services (U.S.), LLC
    
    Delaware, USAWillbros Suramerica, S.A.
    
    PanamaWillbros T&D Services, LLC
    
    Delaware, USAWillbros Transandina S.A.
    
    BoliviaWillbros (U.K.) Limited
    
    United KingdomWillbros United States Holdings, Inc.
    
    Delaware, USAWink Engineering, LLC
    
    Louisiana, USA