| Qatar Fuel Additives Company Limited | Oil and Gas |
| Qatar Fuel Company Q.S.C. | Oil and Gas |
| Qatar Future for Business Development (Adabisc) | Services |
| Qatar Gas Transport Company Limited (Nakilat) (QSC) | Transport |
| Qatar General Electricity & Water Corporation | Power and Utilities |
| Qatar General Insurance and Reinsurance Company S.A.Q. | Financial Services |
| Qatar Glass Industries | Industrial Manufacturing |
| Qatar Grabs | Services |
| Qatar Green Leaders | Construction |
| Qatar Industrial Laboratories W.L.L. | Oil and Gas |
| Qatar Industrial Manufacturing Company Q.S.C. | Financial Services |
| Qatar Institute for Speech & Hearing | Services |
| Qatar Insurance Company S.A.Q. | Financial Services |
| Qatar Integrated Building Solutions W.L.L. | Industrial Manufacturing |
| Qatar International Court and Dispute Resolution Centre | Governmental Institutions |
| Qatar International Electrical Company WLL | Industrial Manufacturing |
| Qatar International for Adventures | Leisure and Tourism |
| Qatar International Islamic Bank (Q.S.C.) | Financial Services |
| Qatar International Petroleum Marketing Company Ltd. (Tasweeq) Q.J.S.C. | Oil and Gas |
| Qatar Investment & Projects Development Holding Company | Construction |
| Qatar Investment Authority | Financial Services |
| Qatar Islamic Bank (Q.P.S.C) | Financial Services |
| Qatar Islamic Insurance Company (Q.S.C.) | Financial Services |
| Qatar Logistics W.L.L. | Transport |
| Qatar Lubricants Company Ltd. | Oil and Gas |
