| Qatar Petroleum | Oil and Gas |
| Qatar Pharmacy Establishment | Retail |
| Qatar Philharmonic Orchestra | Media |
| Qatar Plant Hire Company W.L.L. | Industrial Manufacturing |
| Qatar Plaster | Industrial Manufacturing |
| Qatar Plastic Additives & Industries Group | Industrial Manufacturing |
| Qatar Plastic Products Company W.L.L. | Industrial Manufacturing |
| Qatar Polymer Industrial Company | Industrial Manufacturing |
| Qatar Ports Management Company | Transport |
| 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 |
