| Force-One Security | North | Data Centre | SS | SS | Hougang |
| Inhouse Employer | North | Commercial | SO | SS | Choa Chu Kang |
| RAS Security Pte Ltd | North | Commercial | SSO | SS | Choa Chu Kang |
| Certis Group | North | - | SO | Nil | Marsiling |
| Reachfield Security & Safety Management Pte Ltd | North | Industrial / Factory | SS | SSS | Yishun |
| Force-One Security | North | Data Centre | SS | SSS | Tampines |
| Aspectus Consultancy Pte Ltd | North | Industrial / Factory | SO | SSS | Yishun |
| Reachfield Security & Safety Management Pte Ltd | North | Industrial / Factory | SS | SSS | Yishun |
| RAS Security Pte Ltd | North | Commercial | OE | SSS | Bukit Batok |
| RAS Security Pte Ltd | North | Commercial | OE | SSS | Bukit Batok |
| Force-One Security | North | Data Centre | OE | SS | Pasir Ris |
| Force-One Security | North | Data Centre | SS | SS | Pasir Ris |
| Force-One Security | North | Data Centre | OE | CSO | Yishun |
| Force-One Security | North | Data Centre | OE | SS | Buangkok |
| Reachfield Security & Safety Management Pte Ltd | North | School | SO | SO | Punggol |
| Inhouse Employer | North | In-House | SO | SSO | Woodlands |
| Securus Pte Ltd | North | Commercial | SO | SO | Yishun |
| Force-One Security | North | Data Centre | SS | SS | Hougang |
| RAS Security Pte Ltd | North | Commercial | SSO | SS | Choa Chu Kang |
| Inhouse Employer | North | In-House | SO | SSO | Woodlands |
| Force-One Security | North | Data Centre | OE | CSO | Toa Payoh |
| Force-One Security | North | Data Centre | OE | SO | Choa Chu Kang |
| RAS Security Pte Ltd | North | Commercial | SSO | SS | Choa Chu Kang |
| Inhouse Employer | North | Industrial / Factory | SSO | CSO | Yishun |
| Force-One Security | North | Data Centre | OE | SSS | Toa Payoh |
