Middle East National Basics Company Ltd. Regular Member ENKA İnşaat ve Sanayi A.Ş. Regular Member Nesma & Partners Contracting Company UJSC Regular Member GEOCEAN Regular Member ACD Construction Regular Member MAPA Insaat Ve Ticaret A.Ş. Regular Member Worley Regular Member A.Hak Groep B.V. Regular Member Allseas Group S.A. Regular Member NMDC Energy Regular Member Tekfen Insaat Ve Tesisat Regular Member Gulf Interstate Engineering Company Regular Member Al-Qahtani Pipe Coating Industries Regular Member AVAX S.A. Regular Member SERIMAX Regular Member Bechtel Energy Inc. Regular Member Bonatti S.p.A. Regular Member S.A.L.P. S.p.A. (Societa Appalto Lavori Pubblici) Regular Member The C.A.T. Group of Companies Regular Member CPP – China Petroleum Pipeline Engineering Co., Ltd. Regular Member Techint Engineering & Construction Regular Member Qapqa Group B.V. Regular Member Consolidated Contractors Company (CCC) Regular Member Gulf Petrochemical Services & Trading LLC Regular Member DENYS Regular Member Mears Group Inc. Regular Member COSIDER Canalisation Regular Member Entrepose Contracting Regular Member Fernas Construction Company Regular Member VEMAK Insaat Taahhut Makina Sanayi Ve Ticaret A.Ş. Regular Member
