| Securitas Guarding Services (Singapore) Pte Ltd | East | Data Centre | SSO | SSO | Tampines |
| Force-One Security | North | Data Centre | SS | SS | Bishan |
| Fervour Pte Ltd | North | Data Centre | SO | SSO | Woodlands |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSO | Simei |
| Securitas Guarding Services (Singapore) Pte Ltd | East | Data Centre | SO | SSO | Tampines |
| Force-One Security | North | Data Centre | OE | SO | Tampines |
| Force-One Security | North | Data Centre | SO | SO | Hougang |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SO | Eunos |
| Force-One Security | North | Data Centre | SS | SSS | Yishun |
| Force-One Security | North | Data Centre | SS | SO | Sengkang |
| Force-One Security | North | Data Centre | SS | SSS | Yishun |
| Security Masters Pte Ltd | Central | Data Centre | SS | SSS | Yishun |
| Force-One Security | North | Data Centre | SS | SS | Woodlands |
| Security Masters Pte Ltd | Central | Data Centre | SS | SSS | Yishun |
| Force-One Security | North | Data Centre | SS | SS | Marsiling |
| Force-One Security | North | Data Centre | SO | SS | Marsiling |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSS | Bishan |
| Force-One Security | North | Data Centre | SS | SS | Hougang |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSS | Bishan |
| Force-One Security | North | Data Centre | SS | SSS | Tampines |
| Force-One Security | North | Data Centre | OE | SS | Pasir Ris |
| Force-One Security | North | Data Centre | SS | SS | Pasir Ris |
| Force-One Security | North | Data Centre | OE | CSO | Yishun |
| Force-One Security | North | Data Centre | OE | SS | Buangkok |
| Force-One Security | North | Data Centre | SS | SS | Hougang |
