| Metropolis Security Systems Pte Ltd | West | Industrial / Factory | SSO | SSO | Bukit Batok |
| Reachfield Security & Safety Management Pte Ltd | East | Industrial / Factory | SO | SO | Bedok |
| Reachfield Security & Safety Management Pte Ltd | East | Industrial / Factory | SO | SO | Bedok |
| Soverus Pte Ltd | Central | Industrial / Factory | SS | CSO | Ang Mo Kio |
| Soverus Pte Ltd | Central | Industrial / Factory | SS | CSO | Ang Mo Kio |
| Aspectus Consultancy Pte Ltd | North | Industrial / Factory | SO | SSO | Yishun |
| Soverus Pte Ltd | Central | Industrial / Factory | SS | CSO | Ang Mo Kio |
| Aspectus Consultancy Pte Ltd | North | Industrial / Factory | SO | SO | Yishun |
| Ademco Security Pte Ltd | North | Industrial / Factory | SO | SO | Yishun |
| Excellent Security & Safety Pte Ltd | Central | Industrial / Factory | SSO | SSO | Ang Mo Kio |
| Excellent Security & Safety Pte Ltd | Central | Industrial / Factory | SSO | SSO | Toa Payoh |
| Inhouse Employer | North | Industrial / Factory | SSO | SO | Ang Mo Kio |
| Inhouse Employer | North | Industrial / Factory | SSO | SO | Sembawang |
| Inhouse Employer | North | Industrial / Factory | SSO | SSO | Yishun |
| Inhouse Employer | North | Industrial / Factory | SSO | SSO | Marsiling |
| Inhouse Employer | North | Industrial / Factory | SSO | CSO | Bukit Panjang |
| First Security & Private Investigation (Singapore) Pte Ltd | North | Industrial / Factory | SO | SO | Hougang |
| Inhouse Employer | West | Industrial / Factory | SO | SO | Tuas Link |
| Inhouse Employer | North | Industrial / Factory | SSO | SSO | Yishun |
| Prosegur Singapore Pte Ltd | East | Industrial / Factory | SSO | SO | Sengkang |
| Inhouse Employer | West | Industrial / Factory | SO | SO | Choa Chu Kang |
| GoMobile Security Solutions Pte Ltd | West | Industrial / Factory | SSO | SO | Choa Chu Kang |
| Inhouse Employer | North | Industrial / Factory | SSO | SSO | Yishun |
| Focus Security Services Pte Ltd | West | Industrial / Factory | SSO | SSO | Jurong East |
| Inhouse Employer | North | Industrial / Factory | SSO | CSO | Marsiling |
