| Crowne Plaza Changi Airport | East | In-House | OE | SSS | Tampines |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSS | Tampines |
| Excellent Security & Safety Pte Ltd | East | Commercial | SSO | SS | Aljunied |
| Prosec Services Pte Ltd | East | Retail | SO | SO | Pasir Ris |
| Union Security Services Pte. Ltd. | East | Data Centre | SO | SO | Pasir Ris |
| Royal Security Management Services Pte Ltd | East | Commercial | SO | SO | Pasir Ris |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SO | SO | Pasir Ris |
| A-SAT Pte Ltd | East | Construction | SO | SO | Pasir Ris |
| Eagle I Security Services Pte Ltd | East | Industrial / Factory | SO | SO | Pasir Ris |
| Labourtel Management Corporation Pte Ltd | East | Dormitory | CSO | CSO | Hougang |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | CSO | Hougang |
| Prosec Services Pte Ltd | East | Retail | SO | SO | Pasir Ris |
| Crowne Plaza Changi Airport | East | In-House | OE | SS | Pasir Ris |
| Danmax Security Management Pte Ltd | East | - | OE | CSO | Bedok |
| SMS Security | East | Mix-Development | SSO | SSO | Potong Pasir |
| Securus Pte Ltd | East | Condominium | SS | SS | Aljunied |
| Prosegur Singapore Pte Ltd | East | Data Centre | SSO | SSO | Potong Pasir |
| Excellent Security & Safety Pte Ltd | East | Healthcare | SSO | SSO | Pasir Ris |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Pasir Ris |
| Inhouse Employer | East | In-House | SO | SSO | Pasir Ris |
| Triple ‘S’ Protection Pte Ltd | East | Commercial | SSO | SSO | Pasir Ris |
| Triple ‘S’ Protection Pte Ltd | East | Commercial | SSO | SSO | Pasir Ris |
| Excellent Security & Safety Pte Ltd | East | Data Centre | SSO | SSO | Pasir Ris |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Pasir Ris |
| Securitas Guarding Services (Singapore) Pte Ltd | East | Data Centre | SO | SSO | Tampines |
