| Qatar Technology For Aluminium & Steel Company LLC | Construction |
| Qatar Tourism Authority | Governmental Institutions |
| Qatar Trading & Contracting Group | Construction |
| Qatar Trading Company WLL | Transport |
| Qatar Tunisian Food Company | Food and Beverages |
| Qatar University | Education |
| Qatar Ventures | Leisure and Tourism |
| Qatar Welding and Fabrication Supplies W.L.L | Industrial Manufacturing |
| Qatar Wooden Products Co WLL (QWPC) | Construction |
| QatarDebate | Education |
| Qatargas Operating Company Limited | Oil and Gas |
| Qatari Energy & Industrial Services | Oil and Gas |
| Qatari Diar Real Estate Investment Company | Real Estate |
| Qatari German Company for Medical Devices Q.S.C. | Health Care |
| Qatari German Switchgear Company W.L.L. | Industrial Manufacturing |
| Qatari Home Design & Consulting Engineering | Construction |
| Qatari Home Design And Engineering Consultants | Construction |
| Qatari Home for Design & Engineering Consultants | Construction |
| Qatari Industrial Equipment W.L.L | Industrial Manufacturing |
| Qatari Investors Group Q.S.C. | Industrial Manufacturing |
| Qatarian Western Equipment Trading & Contract W.L.L (QWETCO) | Oil and Gas |
| Qatofin Company Limited (Q.S.C.) | Oil and Gas |
| QBS International WLL | Construction |
| QD-SBG Construction WLL | Construction |
| QDVC (Q.S.C) | Construction |
