| Peregrine Security Pte. Ltd. | Central | - | SSO | SS | Geylang Bahru |
| Securus Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Inhouse Employer | South | In-House | SO | SSS | Woodlands |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSO | Simei |
| Securus Pte Ltd | Island Wide | - | OE | SSS | Tampines West |
| SMS Security | East | Mix-Development | SSO | SS | Simei |
| Park Regis by Prince, Singapore | Central | Hotel | SSO | SS | Punggol |
| Inhouse Employer | Central | Hotel | SS | SS | HarbourFront |
| Inhouse Employer | West | Industrial / Factory | SO | SSS | Marsiling |
| Inhouse Employer | Central | In-House | SSS | SSS | Choa Chu Kang |
| Acestes Pte Ltd | Central | - | Security Mgt | SSS | Bedok |
| Star Security Services | Island Wide | - | Security Mgt | Nil | Ang Mo Kio |
| Star Security Services | Island Wide | - | Security Mgt | SSS | Pasir Ris |
| Primesafe Security & Investigation Pte Ltd | Island Wide | - | OE | CSO | Bukit Panjang |
| Force-One Security | North | Data Centre | OE | CSO | Ang Mo Kio |
| AGS Integration Pte. Ltd. | West | In-House | SS | SS | Woodlands |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SS | Pioneer |
| SATS Ltd | East | - | OE | CSO | Marsiling |
| Uniforce Security Services Pte Ltd | East | School | SSO | SSO | Bukit Batok |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Jurong East |
| Acestes Pte Ltd | Central | - | Security Mgt | Nil | Jurong East |
| Horus I (Private Limited) | Central | Retail | SO | SO | Bras Basah |
| SATS Ltd | East | - | OE | SO | Woodlands |
| Acestes Pte Ltd | Island Wide | - | OM | SO | Tampines |
| Aedge Services Pte Ltd | Island Wide | - | OM | CSO | Bukit Batok |
