| Reachfield Security & Safety Management Pte Ltd | North | Commercial | SO | SO | - |
| Titanium Safety & Security Pte Ltd | North | In-House | OE | SS | Sengkang |
| Inhouse Employer | North | In-House | SO | SS | Sengkang |
| Global Ritz Protection (Security Services) Pte Ltd | North | Commercial | SO | SO | - |
| Inhouse Employer | North | In-House | SO | SO | - |
| Inhouse Employer | North | In-House | SO | SSO | - |
| Inhouse Employer | North | In-House | SO | SO | - |
| Titanium Safety & Security Pte Ltd | North | Dormitory | SO | SO | Punggol |
| Titanium Safety & Security Pte Ltd | North | Dormitory | SO | SO | Punggol |
| Titanium Safety & Security Pte Ltd | North | In-House | SSO | SSO | Jurong East |
| PICO Guards Pte Ltd | North | Data Centre | SS | SS | Yishun |
| RAS Security Pte Ltd | North | In-House | Office Team | SS | Jurong East |
| RAS Security Pte Ltd | North | Commercial | SSO | SSO | Bukit Batok |
| Titanium Safety & Security Pte Ltd | North | In-House | SSO | SSO | Bukit Batok |
| A-SAT Pte Ltd | North | Commercial | SSO | SSO | Bukit Batok |
| Total Protection Solutions Pte Ltd | North | - | SSO | SSO | Bukit Batok |
| Force-One Security | North | Data Centre | SS | SS | Jurong East |
| GoMobile Security Solutions Pte Ltd | North | Industrial / Factory | SO | SO | Woodlands |
| Force-One Security | North | Data Centre | SS | SS | Jurong East |
| Titanium Safety & Security Pte Ltd | North | In-House | OE | SS | Hougang |
| PICO Guards Pte Ltd | North | Data Centre | SS | SS | Hougang |
| Union Security Services Pte. Ltd. | North | - | SSO | SSO | Bukit Batok |
| Titanium Safety & Security Pte Ltd | North | In-House | SSO | SSO | Bukit Batok |
| Titanium Safety & Security Pte Ltd | North | In-House | SSO | SSO | Bukit Batok |
| Inhouse Employer | North | In-House | SO | SSO | Bukit Batok |
