| Fervour Pte Ltd | Island Wide | - | OM | SO | Woodlands |
| Acestes Pte Ltd | Island Wide | - | OM | SO | Woodlands |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SO | Woodlands |
| Inhouse Employer | North | In-House | SO | SSO | Woodlands |
| Certis Group | Island Wide | - | SSO | SSO | Woodlands |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | East | Dormitory | SO | SSO | Woodlands |
| Bulls-Eye Security Services Pte Ltd | Island Wide | - | SSO | SSO | Woodlands |
| FormTeam Consultancy Pte Ltd | Central | Condominium | SO | SSO | Woodlands |
| Inhouse Employer | North | In-House | SO | SSO | Woodlands |
| Inhouse Employer | North | In-House | SO | SSO | Woodlands |
| Inhouse Employer | North | In-House | SO | SSO | Woodlands |
| Acestes Pte Ltd | Island Wide | - | OM | SS | Woodlands |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | Security Mgt | SSS | Woodlands |
| First Security & Private Investigation (Singapore) Pte Ltd | North | Condominium | SO | SSO | Woodlands |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SSS | Woodlands |
| SATS Ltd | Island Wide | - | Inves | SSS | Woodlands |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | Security Mgt | SSS | Woodlands |
| Acestes Pte Ltd | Island Wide | - | Security Mgt | SSS | Woodlands |
| TwinRock Global | Central | - | Security Mgt | SSS | Woodlands |
| Star Security Services | Island Wide | - | Security Mgt | SSS | Woodlands |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SSS | Woodlands |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | SSS | Woodlands |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Woodlands |
| SATS Ltd | Island Wide | - | OM | SSS | Woodlands |
| Fervour Pte Ltd | Island Wide | - | OM | SSS | Woodlands |
