| SAA Global Education Centre Pte Ltd |
| SAF Music & Drama Company |
| Samsung Asia Pte Ltd - Asia Customer Satisfaction and Electronics Business Division |
| Science Arts Co Pte Ltd |
| Science Centre Singapore |
Select Catering Services Pte Ltd
- Stamford Catering Services Pte Ltd
|
| Silk Road Restaurants International Pte Ltd |
| Singapore Armed Forces Counselling Centre |
| Singapore Armed Forces CCO Maju Camp |
| Singapore Armed Forces, Ordnance Engineering Training Institute |
| Singapore Civil Defence Force |
| Singapore Customs |
| Singapore Police Force |
| Singapore Post Limited |
| Singapore Prison Service |
Singapore Technologies Engineering Ltd (ST Engineering)
- Singapore Technologies Dynamics Pte Ltd (ST Dynamics)
- Singapore Technologies Aerospace Ltd (ST Aerospace)
- ST Aerospace Ltd - Engineering & Development Centre
- ST Aerospace Engineering Pte Ltd
- ST Aerospace Engines Pte Ltd
- ST Aerospace Academy Pte Ltd
- ST Aerospace Services Co Pte Ltd
- ST Aerospace Supplies Pte Ltd
- ST Aerospace Systems Pte Ltd
- Pacific Flight Services Pte Ltd
- Precision Products Singapore Pte Ltd
- Singapore Technologies Electronics Ltd (ST Electronics)
- ST Electronics (Digital Media) Pte Ltd
- ST Electronics (e-Services) Pte Ltd
- ST Electronics (Info-Comm Systems) Pte Ltd
- ST Electronics (Info-Security Systems) Pte Ltd
- ST Electronics (Info-Software Systems) Pte Ltd
- ST Electronics (Satcom & Sensor Systems) Pte Ltd
- ST Electronics (Training & Simulation Systems) Pte Ltd
- Singapore Technologies Kinetics Ltd (ST Kinetics)
- Advanced Material Engineering Pte Ltd
- Allied Ordnance Of Singapore Pte Ltd
- ST Kinetics Integrated Engineering Pte Ltd
- Singapore Test Services Pte Ltd
- Securedge Pte Ltd
- SDDA Pte Ltd
- STA Inspection Pte Ltd
- Unicorn International Pte Ltd
- Advanced Pyrotechnic Materials Private Limited
- Singapore Technologies Marine Ltd (ST Marine)
- STSE Engineering Services Pte Ltd
|
| Singapore Workforce Development Agency |
| SingTel Consumer Customer Care Group |
| SKP Pte Ltd |
| Soo Kee Jewellery |
| SP Services Limited |
| Sports Link Holdings Pte Ltd |
| SPRING Singapore |
| St. Francis Methodist School |
| Stevetay Pte Ltd |
| Supreme Furnishing Centre Pte Ltd |
| Systems on Silicon Manufacturing Company Pte Ltd |
|