| Fervour Pte Ltd | Island Wide | - | OM | SSS | Jurong East |
| Eagle I Security Services Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| TwinRock Global | Central | - | Security Mgt | SSS | Sengkang |
| Prosec Services Pte Ltd | East | - | SSO | SSO | Tampines |
| Inhouse Employer | Island Wide | Construction | OM | CSO | Bukit Batok |
| Inhouse Employer | Central | Country Club | OM | SS | Punggol |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | Island Wide | - | OE | SSO | Clementi |
| Inhouse Employer | Central | Mix-Development | OE | SS | Sengkang |
| Inhouse Employer | East | Hotel | Security Mgt | SS | Bukit Panjang |
| Star Security Services | Island Wide | - | Security Mgt | SS | Yishun |
| Fervour Pte Ltd | Island Wide | - | OM | CSO | Tampines |
| Total Protection Solutions Pte Ltd | North | - | SSO | SSO | Bukit Batok |
| Soverus Pte Ltd | South | In-House | SSO | SSO | Jurong East |
| Inhouse Employer | Island Wide | - | OE | CSO | Marsiling |
| Young Women's Christian Association of Singapore | Central | In-House | Security Mgt | SSO | Hougang |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SS | Sengkang |
| SATS Ltd | Island Wide | - | OM | SSS | Tampines |
| Crowne Plaza Changi Airport | East | In-House | OE | SSS | Pasir Ris |
| Apro Asian Protection Pte Ltd | Island Wide | - | OM | SSS | Queenstown |
| William Secure Solutions Pte Ltd | Central | Condominium | SS | SO | - |
| Ranger Investigation & Security Services Pte Ltd | East | In-House | SSO | CSO | Bedok |
| Crowne Plaza Changi Airport | East | Hotel | SSO | SSO | Jurong East |
| Fervour Pte Ltd | Island Wide | - | OM | SS | Woodlands |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | Nil | Lakeside |
| SATS Ltd | Island Wide | - | OM | CSO | Boon Lay |
