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)Construction & Turnaround Services, L.L.C.
    
    Oklahoma, USAConstruction & Turnaround Services of California, Inc.
    
    Oklahoma, USAGlobal Process Services, Inc.
    
    Texas, USAIntegrated Service Company LLC
    
    Oklahoma, USAIntegrated Service Company of Oklahoma, Inc.
    
    Oklahoma, USAMusketeer Oil B.V.
    
    NetherlandsP/L Equipment LP
    
    Canada (Alberta)PT Willbros Indonesia
    
    IndonesiaThe Oman Construction Company (TOCO) L.L.C.
    
    OmanWillbros Africa Limited
    
    Cayman IslandsWillbros Al-Rushaid Limited
    
    Saudi ArabiaWillbros Angola (Cayman) Limited
    
    Cayman IslandsWillbros 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, USAWillbros Construction (U.S.), LLC
    
    Delaware, USAWillbros Constructors, Inc.
    
    PanamaWillbros 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 Eurasia 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 Holdings (U.S.), LLC
    
    Delaware, USAWillbros Government Services (U.S.), LLC
    
    Delaware, USAWillbros Industrial de Mexico, S. de R.L. de C.V.
    
    MexicoWillbros 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 Holdings (Nigeria) Limited
    
    Cayman IslandsWillbros International, Inc.
    
    PanamaWillbros International Papua New Guinea Limited
    
    Papua New GuineaWillbros International Pty Limited
    
    AustraliaWillbros International Services (Nigeria) Limited
    
    Cayman IslandsWillbros 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 Pipeline Specialty Services, LLC
    
    Delaware, USAWillbros Project Services (U.S.), LLC
    
    Delaware, USAWillbros Refinery and Maintenance Services (U.S.), LLC
    
    Delaware, USAWillbros Suramerica, S.A.
    
    PanamaWillbros Transandina S.A.
    
    BoliviaWillbros (U.K.) Limited
    
    United KingdomWillbros United States Holdings, Inc.
    
    Delaware, USAWink Engineering, LLC
    
    Louisiana, USA