| Specialized Aluminium and Steel Company | Conglomerates |
| Specialized Aluminium and Steel Company | Conglomerates |
| Specialized Filters & Trading Co WLL | Conglomerates |
| Specialized Filters & Trading Co WLL | Conglomerates |
| Specialized Professional Contractors | Industrial Manufacturing |
| Specialized Professional Contractors | Industrial Manufacturing |
| Specialized Trading & Filters | Construction |
| Specialized Trading & Filters | Construction |
| Spectra Arts Company LLC | Industrial Manufacturing |
| Spectra Arts Company LLC | Industrial Manufacturing |
| Speed Line Printing Press | Media |
| Speed Line Printing Press | Media |
| Speed Marine EST Qatar | Services |
| Speed Marine EST Qatar | Services |
| Speetech International Co WLL | Conglomerates |
| Speetech International Co WLL | Conglomerates |
| Spider Style Tower Cleaning WLL | Services |
| Spider Style Tower Cleaning WLL | Services |
| Spring International Trading and Contracting WLL | Services |
| Spring International Trading and Contracting WLL | Services |
| Sprint Trading | Consumer Goods |
| Sprint Trading | Consumer Goods |
| Square Architects Contracting Engineering | Construction |
| Square Architects Contracting Engineering | Construction |
| SSH - Qatar | Construction |
