| 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 |
| 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 |
| Labourtel Management Corporation Pte Ltd | West | Dormitory | SO | SO | Bukit Gombak |
| Inhouse Employer | West | Industrial / Factory | SO | SO | Bukit Gombak |
| Premier Security Co-operative Ltd | West | Dormitory | SO | SO | Bukit Gombak |
| Premier Security Co-operative Ltd | West | Dormitory | SO | SO | Bukit Gombak |
| Guthrie FMC Security Pte Ltd | West | Dormitory | SO | SO | Bukit Gombak |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | West | Dormitory | SO | SO | Bukit Gombak |
| Bulls-Eye Security Services Pte Ltd | East | Healthcare | SO | SO | Bukit Gombak |
| Prospect Protection Pte Ltd | West | Industrial / Factory | SO | SO | Bukit Gombak |
| Aedge Services Pte Ltd | West | Industrial / Factory | SO | SO | Bukit Gombak |
| Soverus Pte Ltd | West | Industrial / Factory | SO | SO | Bukit Gombak |
| Jasa Investigation & Security Services Pte Ltd | West | Healthcare | SSO | SSO | Bukit Gombak |
| Inhouse Employer | West | In-House | SO | SSO | Bukit Gombak |
| Inhouse Employer | West | In-House | SO | SSO | Bukit Gombak |
| Inhouse Employer | West | In-House | SO | SSO | Bukit Gombak |
