| Union Security Services Pte. Ltd. | Central | Industrial / Factory | SS | SSS | Yishun |
| Union Security Services Pte. Ltd. | North | Commercial | SS | SSS | Yishun |
| Reachfield Security & Safety Management Pte Ltd | North | Industrial / Factory | SS | SSS | Yishun |
| Inhouse Employer | Central | Hotel | SS | SS | Woodlands |
| Force-One Security | North | Data Centre | SS | SS | Woodlands |
| Reachfield Security & Safety Management Pte Ltd | South | Commercial | SS | SS | Woodlands |
| AGS Integration Pte. Ltd. | West | In-House | SS | SS | Woodlands |
| Soverus Pte Ltd | Central | Industrial / Factory | SS | SS | Punggol |
| SMS Investigation & Security Pte Ltd | Central | Commercial | SS | CSO | Clementi |
| Primesafe Security & Investigation Pte Ltd | South | Commercial | SS | SO | Bright Hill |
| Soverus Pte Ltd | Central | Industrial / Factory | SS | SO | Bright Hill |
| SMS Investigation & Security Pte Ltd | Central | Commercial | SS | SS | Yishun |
| SMS Investigation & Security Pte Ltd | Central | Commercial | SS | SS | Yishun |
| SMS Investigation & Security Pte Ltd | Central | Commercial | SS | CSO | Clementi |
| Focus Security Services Pte Ltd | West | Condominium | SS | SO | Bright Hill |
| Focus Security Services Pte Ltd | West | Condominium | SS | SO | Bright Hill |
| Security Masters Pte Ltd | Central | Data Centre | SS | SSS | Yishun |
| Union Security Services Pte. Ltd. | Central | Industrial / Factory | SS | SSS | Yishun |
| Focus Security Services Pte Ltd | West | Condominium | SS | SO | Bright Hill |
| Metropolis Security Systems Pte Ltd | Central | Condominium | SS | CSO | Toa Payoh |
| Soverus Pte Ltd | Central | Industrial / Factory | SS | SSS | Ang Mo Kio |
| Prosegur Singapore Pte Ltd | Central | Retail / Mall | SS | SS | Bishan |
| Triple ‘S’ Protection Pte Ltd | North | Depot | SS | SS | Marsiling |
| SMS Investigation & Security Pte Ltd | Central | Commercial | SS | SS | Marsiling |
| Force-One Security | North | Data Centre | SS | SS | Marsiling |
