| William Secure Solutions Pte Ltd | Central | Condominium | SO | SSO | - |
| William Secure Solutions Pte Ltd | Central | Condominium | SO | SSO | - |
| Elitez Security Pte Ltd | East | Commercial | SO | SSS | MacPherson |
| Riverfort Pte Ltd | Central | Hotel | SO | SSO | Redhill |
| Artyzen Singapore | Central | Hotel | SO | SSO | Redhill |
| Inhouse Employer | West | Industrial / Factory | SO | SS | Woodlands |
| Inhouse Employer | East | In-House | SO | SSS | MacPherson |
| Inhouse Employer | East | School | SO | SSS | MacPherson |
| SMS Investigation & Security Pte Ltd | Central | Condominium | SO | SO | Bukit Gombak |
| Elid Technology International Pte Ltd | West | Condominium | SO | SO | Bukit Gombak |
| GoMobile Security Solutions Pte Ltd | West | Condominium | SO | SO | Bukit Gombak |
| Inhouse Employer | West | Industrial / Factory | SO | SO | Bukit Gombak |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | West | Dormitory | SO | SO | Bukit Gombak |
| Prospect Protection Pte Ltd | West | Industrial / Factory | SO | Nil | - |
| Inhouse Employer | East | In-House | SO | SSS | MacPherson |
| Certis Group | West | Mix-Development | SO | SO | Bukit Gombak |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | West | Dormitory | SO | SO | Bukit Gombak |
| G4S Secure Solutions (Singapore) Pte Ltd | West | Construction | SO | SO | Bukit Gombak |
| Premier Security Co-operative Ltd | West | Dormitory | SO | SO | Bukit Gombak |
| Elid Technology International Pte Ltd | West | Condominium | SO | SO | Bukit Gombak |
| Kingston Property Maintenance Services Pte Ltd | West | Condominium | SO | SO | Bukit Gombak |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | West | Dormitory | SO | SO | Bukit Gombak |
| Supreme Security Agency Pte. Ltd. | West | Industrial / Factory | SO | SO | Bukit Gombak |
| ONE°15 Marina Sentosa Cove, Singapore | Central | Hotel | SO | SO | Jurong East |
| Artyzen Singapore | Central | Hotel | SO | SO | Jurong East |
