| Townscape Trading and Contracting | Construction |
| Trading & Agency Services Limited WLL | Construction |
| Trading & Agency Services Limited WLL | Construction |
| Trading Marketing Contracting W.L.L | Industrial Manufacturing |
| Trading Marketing Contracting W.L.L | Industrial Manufacturing |
| Traffic Tech (Gulf) W.L.L. | Telecommunications |
| Traffic Tech (Gulf) W.L.L. | Telecommunications |
| Trags Electrical Engineering & Air Conditioning Company | Construction |
| Trags Electrical Engineering & Air Conditioning Company | Construction |
| Trans Orient Holding Company | Leisure and Tourism |
| Trans Orient Holding Company | Leisure and Tourism |
| Transind Holdings | Food and Beverages |
| Transind Holdings | Food and Beverages |
| Trelco Building Materials Co. | Construction |
| Trelco Building Materials Co. | Construction |
| Trelco Limited Company W.L.L. | Construction |
| Trelco Limited Company W.L.L. | Construction |
| Trelco Technical Services W.L.L. | Information Technology |
| Trelco Technical Services W.L.L. | Information Technology |
| Trey Trading & Contracting Company W.L.L | Construction |
| Trey Trading & Contracting Company W.L.L | Construction |
| TRIGON INTERNATIONAL W.L.L | Industrial Manufacturing |
| TRIGON INTERNATIONAL W.L.L | Industrial Manufacturing |
| Triple Two | Services |
| Triple Two | Services |
