| Artyzen Singapore | Central | Hotel | SS | SSS | Toa Payoh |
| Inhouse Employer | Island Wide | - | OE | SSS | Toa Payoh |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | CSO | Toa Payoh |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSS | Toa Payoh |
| SATS Ltd | East | - | OE | SSS | Toa Payoh |
| Inhouse Employer | Central | In-House | SSS | SSS | Toa Payoh |
| Inhouse Employer | Island Wide | - | OE | SSS | Toa Payoh |
| Crowne Plaza Changi Airport | East | In-House | OE | SSS | Toa Payoh |
| Crowne Plaza Changi Airport | East | In-House | OM | SSS | Toa Payoh |
| 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 |
| Inhouse Employer | Island Wide | - | OE | SSS | Toa Payoh |
| Soverus Pte Ltd | Island Wide | - | OE | SSS | Toa Payoh |
| Crowne Plaza Changi Airport | East | In-House | OE | SSS | Toa Payoh |
| Securus Pte Ltd | Island Wide | - | OE | SSS | Toa Payoh |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSS | Toa Payoh |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SSS | Toa Payoh |
| Soverus Pte Ltd | Island Wide | - | OE | CSO | Toa Payoh |
| Strive Security Pte Ltd | Island Wide | - | OE | CSO | Toa Payoh |
| 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 |
| Artyzen Singapore | Central | Hotel | SS | SSS | Toa Payoh |
| Force-One Security | North | Data Centre | OE | CSO | Toa Payoh |
| Securus Pte Ltd | Island Wide | - | OE | CSO | Toa Payoh |
