| Metropolis Security Systems Pte Ltd | Island Wide | - | OE | SS | Bukit Batok |
| Eagle I Security Services Pte Ltd | Island Wide | - | OE | SS | Bukit Batok |
| Trek Investigations & Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Bedok |
| Titanium Safety & Security Pte Ltd | Island Wide | - | OE | SSS | Bedok |
| PICO Guards Pte Ltd | Island Wide | - | OE | SSS | Bedok |
| Eagle I Security Services Pte Ltd | Island Wide | - | OE | SSS | Bedok |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SSS | Bedok |
| Kingston Property Maintenance Services Pte Ltd | Island Wide | - | OE | SSS | Bedok |
| Soverus Pte Ltd | Island Wide | - | OE | SSS | Bedok |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SSS | Bedok |
| Acestes Pte Ltd | Central | - | Security Mgt | SSS | Bedok |
| SATS Ltd | Island Wide | - | Inves | Nil | Hougang |
| PICO Guards Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| Uniforce Security Services Pte Ltd | Island Wide | - | OE | SSO | Boon Lay |
| TwinRock Global | Central | - | Security Mgt | SS | Toa Payoh |
| Acestes Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Fervour Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Securus Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Shine Security Agency Pte Ltd | Island Wide | - | OE | SS | Choa Chu Kang |
| Metropolis Security Systems Pte Ltd | Island Wide | - | OE | SS | Choa Chu Kang |
| Acestes Pte Ltd | Island Wide | - | OM | SS | Choa Chu Kang |
| SATS Ltd | Island Wide | - | Inves | SS | Choa Chu Kang |
