| Qatar Aerated Concrete Industries Company W.L.L. | Industrial Manufacturing |
| Qatar Air Distribution Network Manufacturing Factory | Construction |
| Qatar Aluminium Limited (Q.S.C) | Mining and Metals |
| Qatar Aluminum Extrusion Company Q.S.C. | Industrial Manufacturing |
| Qatar Aluminum Manufacturing Company | Mining and Metals |
| Qatar Asphalt Company WLL | Construction |
| Qatar Automobiles Company W.L.L. | Transport |
| Qatar Aviation Services | Transport |
| Qatar Biobank for Medical Research | Governmental Institutions |
| Qatar Biomedical Research Institute | Health Care |
| Qatar Broker International W.L.L. | Financial Services |
| Qatar Building Company | Construction |
| Qatar Building Engineering Company | Construction |
| Qatar Business Incubation Center | Services |
| Qatar Cancer Society | Services |
| Qatar Central Bank | Financial Services |
| Qatar Central Securities Depository | Governmental Institutions |
| 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 |
