| Q Life & Medical Insurance Co LLC | Financial Services |
| Q-Auto LLC | Transport |
| Q-Nasa Trading Company | Retail |
| Qanect | Media |
| Qatar Academy Al Khor | Education |
| Qatar Academy Al Wakra | Education |
| Qatar Academy Doha | Education |
| Qatar Academy Sidra | Education |
| 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 |