| Sinai Woman Development Association in Bir El-Abd |
| SINAK PLASTO INTERNATIONAL CO. L.L.C |
| SIN AL FEEL TAILORING & EMBROIDERY |
| Sina Light Conractors, Import & Export |
| SINA MANAGEMENT CONSULTANCY |
| SINA MARBLE & GRANITE TRADING |
| SINA MARINE EQUIP.SPARE PARTS TR LLC |
| SINA MARINE SERVICES L.L.C |
| SINA MAX ARAD MEDICAL EQUIPMENT TRADING L.L.C |
| SINA MEDICAL CLINIC |
