| Crowne Plaza Changi Airport | East | In-House | OM | SO | Tampines |
| 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 |
| Primesafe Security & Investigation Pte Ltd | South | Commercial | SS | SO | Bright Hill |
| Soverus Pte Ltd | Central | Industrial / Factory | SS | SO | Bright Hill |
| 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 |
| Focus Security Services Pte Ltd | West | Condominium | SS | SO | Bright Hill |
| Focus Security Services Pte Ltd | West | Condominium | SS | SO | Bright Hill |
| ONE°15 Marina Sentosa Cove, Singapore | Central | Hotel | SO | SO | Jurong East |
| Elid Technology International Pte Ltd | Central | Hotel | SSO | SO | Jurong East |
| Paradox Singapore Merchant Court | Central | Hotel | SSO | SO | Jurong East |
| Artyzen Singapore | Central | Hotel | SO | SO | Jurong East |
| Novotel Singapore on Stevens | Central | Hotel | SO | SO | Jurong East |
| Inhouse Employer | Central | Hotel | SO | SO | Jurong East |
| Riverfort Pte Ltd | Central | Hotel | SO | SO | Jurong East |
