| PICO Guards Pte Ltd | North | Data Centre | SS | SS | Hougang |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SS | Hougang |
| Soverus Pte Ltd | Central | Data Centre | SSO | SS | Hougang |
| Prosec Services Pte Ltd | East | Data Centre | SO | SO | Tampines |
| Union Security Services Pte. Ltd. | East | Data Centre | SO | SO | Tampines |
| Prosec Services Pte Ltd | East | Data Centre | SSO | SO | Tampines |
| Prosec Services Pte Ltd | East | Data Centre | SSS | SO | Tampines |
| Prosec Services Pte Ltd | East | Data Centre | SO | SO | Tampines |
| Prosec Services Pte Ltd | East | Data Centre | SO | SO | Tampines |
| Prosec Services Pte Ltd | East | Data Centre | SSO | SSS | Pasir Ris |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSS | Tampines |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SO | Tampines |
| Prosec Services Pte Ltd | East | Data Centre | SO | SO | Tampines |
| Prosec Services Pte Ltd | East | Data Centre | SSS | SSS | Yishun |
| Soverus Pte Ltd | Central | Data Centre | SSS | SSS | Yishun |
| Soverus Pte Ltd | Central | Data Centre | SSS | SSS | Yishun |
| Union Security Services Pte. Ltd. | East | Data Centre | SO | SO | Tampines |
| Force-One Security | North | Data Centre | OE | SO | Woodlands |
| Force-One Security | North | Data Centre | OE | SSO | Sengkang |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SS | Farrer Park |
| Soverus Pte Ltd | Central | Data Centre | SSO | SSO | - |
| Excellent Security & Safety Pte Ltd | East | Data Centre | SSO | SSO | - |
| Prosec Services Pte Ltd | East | Data Centre | SSS | CSO | Marsiling |
| Force-One Security | North | Data Centre | SS | SSO | Simei |
| Force-One Security | North | Data Centre | OE | SSO | Simei |
