| Doha Star Trading Co. W.L.L. | Consumer Goods |
| Doha Switchgear Electromechanical Company | Construction |
| Doha Switchgear Electromechanical Company | Construction |
| Doha Team Trading | Industrial Manufacturing |
| Doha Team Trading | Industrial Manufacturing |
| Doha Technical Laboratories | Health Care |
| Doha Technical Laboratories | Health Care |
| Doha Technical Laboratories ( DTL ) Qatar | Services |
| Doha Technical Laboratories ( DTL ) Qatar | Services |
| Dolphin Construction Co WLL | Conglomerates |
| Dolphin Construction Co WLL | Conglomerates |
| Dolphin Est | Conglomerates |
| Dolphin Est | Conglomerates |
| Dolphin Group WLL | Services |
| Dolphin Group WLL | Services |
| Dolphin Trading & Logistics W.L.L. | Transport |
| Dolphin Trading & Logistics W.L.L. | Transport |
| Domopan Qatar WLL | Construction |
| Domopan Qatar WLL | Construction |
| Draieh Contracting W.L.L. | Construction |
| Draieh Contracting W.L.L. | Construction |
| Draieh Logistics Services Company W.L.L. | Transport |
| Draieh Logistics Services Company W.L.L. | Transport |
| Dreamstan Tours Wholesaler W.L.L. | Leisure and Tourism |
| Dreamstan Tours Wholesaler W.L.L. | Leisure and Tourism |
