| Prosegur Singapore Pte Ltd | East | Industrial / Factory | SSO | SO | Sengkang |
| Inhouse Employer | East | In-House | SO | SO | Choa Chu Kang |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SSO | Hougang |
| Security & Risk Solutions Pte. Ltd. | East | Commercial | SO | SO | Punggol |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SSO | Hougang |
| Elitez Security Pte Ltd | East | Place of Worship | SO | SSO | Woodlands |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SO | Tiong Bahru |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SO | Tiong Bahru |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSO | Hougang |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SS | Sengkang |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SO | Sembawang |
| SMS Security | East | Condominium | SO | SO | - |
| Premier Security Co-operative Ltd | East | In-House | Office Team | SS | Kaki Bukit |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SS | Kaki Bukit |
| Oneberry Technologies Pte Ltd | East | School | SSS | SSS | Punggol |
| SMS Security | East | Mix-Development | SSO | SSS | Aljunied |
| Reachfield Security & Safety Management Pte Ltd | Island IWde | - | SS | SS | Buangkok |
| GATES PCM Integrated Services Pte Ltd | Island IWde | - | OE | SS | Buangkok |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Soverus Pte Ltd | Island Wide | - | OE | SO | Woodlands |
| Security Masters Pte Ltd | Island Wide | - | SS | SS | Sengkang |
| RAS Security Pte Ltd | Island Wide | Commercial | SSO | SS | Sengkang |
| Securus Pte Ltd | Island Wide | - | OE | SS | Marsiling |
| SATS Ltd | Island Wide | - | OM | SSS | Braddell |
