| Young Women's Christian Association of Singapore | Central | In-House | SO | SS | Aljunied |
| Mainguard Security Services (S) Pte Ltd | South | Construction | SO | Nil | Aljunied |
| Security & Risk Solutions Pte. Ltd. | Island Wide | - | OE | SS | Aljunied |
| Fervour Pte Ltd | North | Retail | SO | SO | Aljunied |
| Fervour Pte Ltd | North | Retail | SO | SO | Aljunied |
| Reachfield Security & Safety Management Pte Ltd | South | School | SO | SO | Aljunied |
| Kingston Property Maintenance Services Pte Ltd | East | Condominium | SSO | SS | Aljunied |
| First Security & Private Investigation (Singapore) Pte Ltd | Central | Hotel | SS | SS | Aljunied |
| Fervour Pte Ltd | North | Healthcare | SSO | SSO | Admiralty |
| Inhouse Employer | Central | In-House | SS | SS | Admiralty |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SSS | Admiralty |
| ONE°15 Marina Sentosa Cove, Singapore | South | Hotel | SS | SS | Admiralty |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | SS | SSO | Admiralty |
| Reachfield Security & Safety Management Pte Ltd | Central | School | Security Mgt | SSO | Admiralty |
| M Social Singapore | Central | Hotel | OE | SSO | Admiralty |
| Securus Pte Ltd | Island Wide | Commercial | OE | SSO | Admiralty |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | SSO | Admiralty |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | SS | SSO | Admiralty |
| Kingston Property Maintenance Services Pte Ltd | Central | Mix-Development | SS | SSO | Admiralty |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | SS | Admiralty |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | SS | Admiralty |
| Aigle Security Pte Ltd | Island Wide | - | OE | SS | Admiralty |
| Aigle Security Pte Ltd | Island Wide | - | OE | SS | Admiralty |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SS | Admiralty |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | SS | SS | Admiralty |
