| Doha College | Education |
| Doha Engineering Instrumentation Co. Ltd | Oil and Gas |
| Doha Enterprises Group (A&J) L.L.C. | Services |
| Doha Express International Freight Forwarders | Transport |
| Doha Extraco | Conglomerates |
| Doha Factory for Paints and Chemicals | Industrial Manufacturing |
| Doha Fashion Trading | Consumer Goods |
| Doha Holiday | Leisure and Tourism |
| Doha Hydraulic Services | Conglomerates |
| Doha Hydraulic Services WLL | Industrial Manufacturing |
| Doha Industrial Safety Services | Education |
| Doha Institute for Graduate Studies | Education |
| Doha Insurance Company (Q.S.C.) | Financial Services |
| Doha International Family Institute | Services |
| Doha International For Infrastructure Company | Construction |
| Doha Kwik Span for Metal Works Company W.L.L. | Industrial Manufacturing |
| Doha Marketing Services Company W.L.L. | Transport |
| Doha Pest Control & Cleaning Co. W.L.L | Services |
| Doha Petroleum Construction Company Limited | Industrial Manufacturing |
| Doha Project Trading & Services W.L.L | Industrial Manufacturing |
| Doha Star Trading Co. W.L.L. | Consumer Goods |
| Doha Switchgear Electromechanical Company | Construction |
| Doha Team Trading | Industrial Manufacturing |
| Doha Technical Laboratories | Health Care |
| Doha Technical Laboratories ( DTL ) Qatar | Services |
