| Soverus Pte Ltd | Island Wide | - | OE | CSO | Toa Payoh |
| Strive Security Pte Ltd | Island Wide | - | OE | CSO | Toa Payoh |
| Force-One Security | North | Data Centre | OE | CSO | Yishun |
| Force-One Security | North | Data Centre | OE | SS | Buangkok |
| Shine Security Agency Pte Ltd | Island Wide | - | OE | SSS | Bukit Batok |
| Trek Investigations & Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Bukit Batok |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SSS | Bukit Batok |
| Strive Security Pte Ltd | Island Wide | - | OE | SSS | Bukit Batok |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | SSS | Bukit Batok |
| Soverus Pte Ltd | Island Wide | - | OE | SS | Pasir Ris |
| Metropolis Security Systems Pte Ltd | Island Wide | - | OE | SSO | Boon Lay |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | SS | Pasir Ris |
| Soverus Pte Ltd | Island Wide | - | OE | SS | Pasir Ris |
| Inhouse Employer | Island Wide | - | OE | SSS | Toa Payoh |
| SATS Ltd | East | - | OE | SSS | Toa Payoh |
| Crowne Plaza Changi Airport | East | In-House | OE | SSS | Toa Payoh |
| Force-One Security | North | Data Centre | OE | CSO | Toa Payoh |
| Trek Investigations & Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Bukit Batok |
| Stalwart Security Pte Ltd | Island Wide | - | OE | SSS | Bukit Batok |
| Securus Pte Ltd | Island Wide | - | OE | SSS | Bukit Batok |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | SO | Choa Chu Kang |
| Force-One Security | North | Data Centre | OE | SO | Choa Chu Kang |
| PICO Guards Pte Ltd | Island Wide | - | OE | SO | Choa Chu Kang |
| PICO Guards Pte Ltd | Island Wide | - | OE | SSS | Choa Chu Kang |
| M Social Singapore | Central | Hotel | OE | SS | - |
