GENERAL AUTHORITY OF CUSTOMS TAKYEEK ELECTOMECHANICAL SUNRISE INTERNATIONAL STREAM INDUSTRIAL AND ENGINEERING QATARI MODERN MAINTENANCE CO QATAR ENGINEERING AND CONSTRUCTION CO QATAR FERTILIZER COMPANY (QAFCO) QATAR ELECTRO MECHANICAL GROUP (QEMG) QATAR BUILDING ENGINEERING COMPANY QATAR AIR DISTRIBUTION NETWORK H. AL MUFTAH EST. MIDMAC CONTRACTING CO MAPCO INC MANNAI TRADING COMPANY HBK CONTRACTING CO HATCOM ELECTRO MECHANICAL ENGINEERING CO ELECTRO MECHANICAL ENTERPRIES QATAR DARWISH MECHANICAL & ELECTRICAL CO CONTROL CONTRACTING & TRADING CO CONSOLIDATED CONTRACTORS GROUP S.A.L (CCC) BLACK CAT ENGINEERING & CONSTRUCTION ARABIAN MEP CONTRACTING ARAB AIR CONDITIONING & REFRIGERATION CO ANSAR GROUP ALMOAYYED AIR CONDITIONING ALMAN ENGINEERING AND CONTRACTING CO AL-SULAITHI MODERN DEVELOPMENT TRADING & CONTRACTING AL EMADI ENTERPRISES AL-ADSANI PARTNERS TRADING & CONTRACTING CO AL MEERA AL KANARI ENGINEERING PROJECTS (KEPCO GROUP) AL JABER ELECTRO MECHANICAL CO AALCO GROUP GWC DELIVERING LOGISTICS INNOVATION GET – GENERIC ENGINEERING TECHNOLOGIES WLL