| Excellent Security & Safety Pte Ltd | West | Condominium | SSO | SSO | - |
| Securus Pte Ltd | Island Wide | Commercial | OE | SS | Admiralty |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | CSO | Pasir Ris |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | Security Mgt | Nil | Yishun |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| GATES PCM Integrated Services Pte Ltd | Central | School | SO | SO | Punggol |
| Reachfield Security & Safety Management Pte Ltd | Central | School | Security Mgt | SSO | Simei |
| Metropolis Security Systems Pte Ltd | Central | Industrial / Factory | SO | SSO | Commonwealth |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Mix-Development | SSO | SSO | Bedok North |
| Securus Pte Ltd | North | Condominium | SS | SS | Marsiling |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Managment | SS | Bukit Panjang |
| Prospect Protection Pte Ltd | West | Industrial / Factory | SS | SS | Tuas Link |
| Mainguard Security Services (S) Pte Ltd | South | Construction | SO | Nil | Aljunied |
| Inhouse Employer | Island Wide | Construction | OM | SS | Hougang |
| Group Security Service Pte Ltd | East | Condominium | SO | SO | Simei |
| Inhouse Employer | North | In-House | SO | SO | Bukit Batok |
| Acestes Pte Ltd | Island Wide | - | OM | SSS | Bishan |
| Security & Risk Solutions Pte. Ltd. | Central | In-House | RSOC/CAMS Op | SS | Jurong East |
| M Social Singapore | Central | Hotel | OE | SSS | Toa Payoh |
| Prosegur Singapore Pte Ltd | South | Commercial | SSS | Nil | Sengkang |
| Securitas Guarding Services (Singapore) Pte Ltd | East | Data Centre | SO | SO | Hougang |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSO | Hougang |
| Inhouse Employer | Central | Healthcare | OE | SSO | Hougang |
| Security Masters Pte Ltd | North | Commercial | CSO | SSS | Bishan |
| Prosegur Singapore Pte Ltd | Island Wide | - | OE | SSO | Hougang |
