| Sketch Consulting Engineering | Construction |
| Sketch Consulting Engineering | Construction |
| SMEC International Pty Ltd | Services |
| SMEC International Pty Ltd | Services |
| SMEET W.L.L. | Industrial Manufacturing |
| SMEET W.L.L. | Industrial Manufacturing |
| Smile Hyper Market | Retail |
| Smile Hyper Market | Retail |
| Snow Comms Conceptual Communications & Events | Media |
| Snow Comms Conceptual Communications & Events | Media |
| Solar Qatar Contracting Company | Construction |
| Solar Qatar Contracting Company | Construction |
| Solar Qatar Contracting WLL | Construction |
| Solar Qatar Contracting WLL | Construction |
| SOLARLINE TRADING WLL | Conglomerates |
| SOLARLINE TRADING WLL | Conglomerates |
| Solid General Construction Qatar | Construction |
| Solid General Construction Qatar | Construction |
| Sonata Software Ltd | Information Technology |
| Sonata Software Ltd | Information Technology |
| Sora Marine Services Co Ltd | Conglomerates |
| Sora Marine Services Co Ltd | Conglomerates |
| SOSCO W.L.L. | Industrial Manufacturing |
| SOSCO W.L.L. | Industrial Manufacturing |
| Sound on Wheels | Telecommunications |
