| Riverfort Pte Ltd | Central | Hotel | SSO | SO | Jurong East |
| Inhouse Employer | Central | Hotel | SSO | SO | Jurong East |
| TwinRock Global | Central | Hotel | SO | SO | Jurong East |
| Inhouse Employer | South | In-House | SO | SO | Jurong East |
| Dorsett Singapore | Central | Hotel | SO | SO | Jurong East |
| Focus Security Services Pte Ltd | West | Condominium | SS | SO | Bright Hill |
| Ademco Security Pte Ltd | West | Industrial / Factory | SSO | SO | Lakeside |
| Unique Security Services Pte Ltd | West | Commercial | SO | SO | Lakeside |
| GoMobile Security Solutions Pte Ltd | West | Industrial / Factory | SSO | SO | Lakeside |
| Triple ‘S’ Protection Pte Ltd | West | Commercial | SSO | SO | Lakeside |
| Unique Security Services Pte Ltd | West | Commercial | SO | SO | Lakeside |
| Elid Technology International Pte Ltd | East | Condominium | SO | SO | Pasir Ris |
| SMS Investigation & Security Pte Ltd | East | Condominium | SO | SO | Pasir Ris |
| Royal Security Management Services Pte Ltd | East | Gov Building | SO | SO | Pasir Ris |
| Elid Technology International Pte Ltd | East | Condominium | SO | SO | Pasir Ris |
| Certis Group | Island Wide | Gov Building | APO | SO | Serangoon |
| Inhouse Employer | South | In-House | SO | SO | Pasir Ris |
| Unique Security Services Pte Ltd | West | Commercial | SO | SO | Lakeside |
| Elid Technology International Pte Ltd | West | Condominium | SS | SO | Bukit Batok |
| Elid Technology International Pte Ltd | West | Condominium | SO | SO | Choa Chu Kang |
| Soverus Pte Ltd | Central | Commercial | SSS | SO | Choa Chu Kang |
| Soverus Pte Ltd | Island Wide | - | SSS | SO | Choa Chu Kang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SO | Choa Chu Kang |
| AGS Integration Pte. Ltd. | West | In-House | SS | SO | Woodlands |
| G4S Secure Solutions (Singapore) Pte Ltd | South | Commercial | SSO | SO | Woodlands |
