| Qatar Chamber of Commerce and Industry | Services |
| Qatar Charity | Services |
| Qatar Chemical and Petrochemical Marketing and Distribution Company Q.J.S.C. | Industrial Manufacturing |
| Qatar Chemical Company Limited | Oil and Gas |
| Qatar Cinema and Film Distribution Company S.A.Q. | Media |
| Qatar Cleaning Co. W.L.L | Services |
| Qatar Communications Company W.L.L | Telecommunications |
| Qatar Computer Services WLL | Information Technology |
| Qatar Computing Research Institute | Services |
| Qatar Construction Technique Company W.L.L | Construction |
| Qatar Coral for Real Estate Development W.L.L. | Real Estate |
| Qatar Credit Bureau | Financial Services |
| Qatar Datamation Systems LLC | Information Technology |
| Qatar Design Consortium W.L.L | Construction |
| Qatar Detergents Company | Consumer Goods |
| Qatar Development Bank Q.S.C.C. | Financial Services |
| Qatar District Cooling Company Q.C.S.C. | Power and Utilities |
| Qatar Duty Free Company | Retail |
| Qatar Electricity & Water Company Q.S.C. | Power and Utilities |
| Qatar Engineering & Construction Company W.L.L | Construction |
| Qatar Environment and Energy Research Institute | Services |
| Qatar Fertiliser Company (Q.S.C.C.) | Industrial Manufacturing |
| Qatar FilMotion | Media |
| Qatar Finance and Business Academy | Education |
| Qatar Financial Centre | Real Estate |
