| PICO Guards Pte Ltd | Island Wide | - | OM | SSS | Yishun |
| Acestes Pte Ltd | Island Wide | - | OM | SSS | Yishun |
| SATS Ltd | Island Wide | - | OM | SSS | Yishun |
| Soverus Pte Ltd | Island Wide | - | SSS | SSS | Yishun |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | CSO | Boon Lay |
| SATS Ltd | Island Wide | - | OM | SSS | Yishun |
| Securus Pte Ltd | Island Wide | - | OM | SSS | Yishun |
| Fervour Pte Ltd | Island Wide | - | OM | SSS | Yishun |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | SSS | Yishun |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | CSO | Toa Payoh |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Yishun |
| Soverus Pte Ltd | Island Wide | - | SSS | SSS | Dover |
| SATS Ltd | East | - | OE | SSS | Toa Payoh |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | Nil | Bukit Batok |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| SATS Ltd | Island Wide | - | OM | SSS | Tampines |
| Securus Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Securus Pte Ltd | Island Wide | - | OE | SSS | Tampines |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Inhouse Employer | Island Wide | - | OE | SSS | Toa Payoh |
| Ascentiaa Security Management Pte Ltd | Island Wide | - | SS | SSS | Tampines |
| Trek Investigations & Security Management Services Pte Ltd | Island Wide | - | OE | CSO | Toa Payoh |
| Aero Asia Security Systems Pte Ltd | Island Wide | - | OE | CSO | Toa Payoh |
| Star Security Services | Island Wide | - | Security Mgt | Nil | Bukit Batok |
| SATS Ltd | Island Wide | - | Inves | Nil | Bukit Batok |
