| PICO Guards Pte Ltd | North | Data Centre | SO | SSO | Ang Mo Kio |
| PICO Guards Pte Ltd | North | Data Centre | SSO | SSO | Ang Mo Kio |
| Total Protection Solutions Pte Ltd | North | - | SSO | SO | Bukit Batok |
| A-SAT Pte Ltd | North | Commercial | SSO | SO | Bukit Batok |
| Titanium Safety & Security Pte Ltd | North | In-House | SSO | SO | Bukit Batok |
| Union Security Services Pte. Ltd. | North | - | SSO | SO | Bukit Batok |
| Security Masters Pte Ltd | North | Commercial | CSO | CSO | Toa Payoh |
| Union Security Services Pte. Ltd. | North | Commercial | SS | SS | Hougang |
| Total Protection Solutions Pte Ltd | North | - | SSO | SO | Bukit Batok |
| Inhouse Employer | North | In-House | SO | SO | Bukit Batok |
| Titanium Safety & Security Pte Ltd | North | In-House | SSO | SO | Bukit Batok |
| Reachfield Security & Safety Management Pte Ltd | North | School | SSS | SS | Ang Mo Kio |
| Union Security Services Pte. Ltd. | North | - | SSO | SS | Bukit Panjang |
| Titanium Safety & Security Pte Ltd | North | In-House | OE | CSO | Marsiling |
| Security Masters Pte Ltd | North | Commercial | CSO | CSO | Marsiling |
| Inhouse Employer | North | In-House | SO | SS | Punggol |
| Soverus Pte Ltd | North | School | SO | SO | Punggol |
| Securitas Guarding Services (Singapore) Pte Ltd | North | Data Centre | SSO | SSO | Woodlands |
| Inhouse Employer | North | In-House | SO | CSO | Yishun |
| SMS Investigation & Security Pte Ltd | North | Condominium | SSO | SSO | Yishun |
| PICO Guards Pte Ltd | North | Industrial / Factory | SSO | SSO | Yishun |
| A-SAT Pte Ltd | North | Commercial | SSO | SSO | Yishun |
| PICO Guards Pte Ltd | North | Data Centre | SS | SS | Hougang |
| RAS Security Pte Ltd | North | Commercial | SSO | SO | Bukit Batok |
| SMS Investigation & Security Pte Ltd | North | Condominium | SSO | SS | Woodlands |
