| Qatar Power Q.S.C. | Power and Utilities |
| Qatar Primary Materials Company | Industrial Manufacturing |
| Qatar Projects Oil & Gas Services WLL | Construction |
| Qatar Railways Development Company Q.S.C. | Governmental Institutions |
| Qatar Real Estate Investment Company QSC | Real Estate |
| Qatar Reinsurance Company Limited | Financial Services |
| Qatar Reliance International W.L.L | Construction |
| Qatar Rubber Industries Company | Industrial Manufacturing |
| Qatar Science & Technology Park | Real Estate |
| Qatar Solar Technologies Q.S.C. | Industrial Manufacturing |
| Qatar Space Technology | Industrial Manufacturing |
| Qatar Specialized Engineering & Constructions W.L.L. | Industrial Manufacturing |
| Qatar Sports Investments | Financial Services |
| Qatar Star Services L.L.C. | Food and Beverages |
| Qatar Steel Company Q.S.C. | Mining and Metals |
| Qatar Stock Exchange | Financial Services |
| Qatar Technical Steel Fabrication and Industrial Refrigeration Qatar | Conglomerates |
| 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 |
