| Certis Group | Island Wide | - | SSO | SS | Choa Chu Kang |
| Certis Group | Island Wide | - | SSO | SS | Choa Chu Kang |
| Certis Group | Island Wide | - | SSO | SSO | Marsiling |
| Certis Group | West | Retail | SO | SS | Choa Chu Kang |
| Certis Group | South | Healthcare | SS | SS | Punggol |
| Certis Group | East | Gov Building | SO | SO | Bedok |
| Certis Group | East | Gov Building | SO | SO | Bedok |
| Certis Group | North | - | SO | SO | Yishun |
| Certis Group | Island Wide | - | SSO | SSO | Woodlands |
| Certis Group | Island Wide | - | SSO | SSO | Marsiling |
| Certis Group | North | Commercial | SO | SO | - |
| C&W Services (S) Pte Ltd | Central | Gov Building | SO | SO | Mountbatten |
| Bulls-Eye Security Services Pte Ltd | South | Gov Building | SO | SO | Hougang |
| Bulls-Eye Security Services Pte Ltd | Central | Healthcare | SSS | SSS | Aljunied |
| Bulls-Eye Security Services Pte Ltd | North | Condominium | SS | SS | Marsiling |
| Bulls-Eye Security Services Pte Ltd | North | Condominium | SS | SS | Marsiling |
| Bulls-Eye Security Services Pte Ltd | North | Condominium | SS | SS | Marsiling |
| Bulls-Eye Security Services Pte Ltd | Central | Commercial | SS | SS | Woodlands |
| Bulls-Eye Security Services Pte Ltd | East | Commercial | SO | SO | Punggol |
| Bulls-Eye Security Services Pte Ltd | North | Condominium | SS | SSS | Yishun |
| Bulls-Eye Security Services Pte Ltd | North | Condominium | SS | SS | Woodlands |
| Bulls-Eye Security Services Pte Ltd | North | Condominium | SS | SS | Woodlands |
| Bulls-Eye Security Services Pte Ltd | Central | Commercial | SS | SSS | Yishun |
| Bulls-Eye Security Services Pte Ltd | Central | In-House | SSO | SSO | Pasir Ris |
| Bulls-Eye Security Services Pte Ltd | Island Wide | - | SSO | SSO | Pasir Ris |
