| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSO | Simei |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSS | Kembangan |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSO | Simei |
| Inhouse Employer | Central | Hotel | SS | SS | Tuas Link |
| AGS Integration Pte. Ltd. | West | In-House | SS | CSO | Woodlands |
| Union Security Services Pte. Ltd. | North | Commercial | SS | Nil | Hougang |
| AGS Integration Pte. Ltd. | West | In-House | SS | CSO | Woodlands |
| Reachfield Security & Safety Management Pte Ltd | West | Industrial / Factory | SS | CSO | Toa Payoh |
| Union Security Services Pte. Ltd. | North | Commercial | SS | Nil | Hougang |
| AGS Integration Pte. Ltd. | West | In-House | SS | SSO | - |
| AGS Integration Pte. Ltd. | West | In-House | SS | SSO | - |
| Force-One Security | North | Data Centre | SS | SS | Bishan |
| Union Security Services Pte. Ltd. | North | Commercial | SS | SSO | Sembawang |
| Metropolis Security Systems Pte Ltd | Central | Condominium | SS | SS | Khatib |
| Metropolis Security Systems Pte Ltd | East | Condominium | SS | SS | Simei |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSO | Simei |
| Young Women's Christian Association of Singapore | Central | In-House | SS | SSS | Marsiling |
| Inhouse Employer | Central | Hotel | SS | SSS | Marsiling |
| Young Women's Christian Association of Singapore | Central | In-House | SS | SSS | Marsiling |
| Bulls-Eye Security Services Pte Ltd | North | Condominium | SS | SS | Woodlands |
| PICO Guards Pte Ltd | North | Industrial / Factory | SS | SS | Woodlands |
| Inhouse Employer | Central | Hotel | SS | SSS | Potong Pasir |
| Inhouse Employer | Central | Hotel | SS | SSS | Potong Pasir |
| Inhouse Employer | Central | Hotel | SS | SSS | Potong Pasir |
| Inhouse Employer | Central | Hotel | SS | SSS | Potong Pasir |
