| Prosec Services Pte Ltd | East | Data Centre | SO | SO | Pasir Ris |
| Prospect Protection Pte Ltd | East | Industrial / Factory | SO | SO | Pasir Ris |
| Horus-I Pte Ltd | South | Commercial | SO | SS | Bukit Panjang |
| Ademco Security Pte Ltd | West | Mix-Development | SO | SO | Choa Chu Kang |
| Force-One Security | Central | Commercial | SO | SO | Yishun |
| Inhouse Employer | West | Commercial | SO | SS | Bukit Panjang |
| GATES PCM Integrated Services Pte Ltd | East | Commercial | SO | CSO | Bedok |
| SMS Security | North | Condominium | SO | SSO | Woodlands |
| SMS Security | Central | Gov Building | SO | SO | Tampines West |
| Inhouse Employer | West | School | SO | SO | Bukit Panjang |
| SMS Security | East | Condominium | SO | SO | Bedok |
| SMS Security | East | Condominium | SO | SO | Bedok |
| Certis Group | East | Gov Building | SO | SO | Bedok |
| SMS Security | East | Condominium | SO | SO | Bedok |
| Soverus Pte Ltd | North | School | SO | SO | Lorong Chuan |
| Reachfield Security & Safety Management Pte Ltd | North | Commercial | SO | SO | Khatib |
| Power Security Guard Agency Pte Ltd | North | Condominium | SO | SO | Khatib |
| Strive Security Pte Ltd | West | Industrial / Factory | SO | SO | Choa Chu Kang |
| G4S Secure Solutions (Singapore) Pte Ltd | West | Industrial / Factory | SO | SO | Boon Lay |
| G4S Secure Solutions (Singapore) Pte Ltd | West | Industrial / Factory | SO | SO | Boon Lay |
| TwinRock Global | West | Industrial / Factory | SO | SO | Boon Lay |
| Metropolis Security Systems Pte Ltd | North | Mix-Development | SO | SO | Yishun |
| G4S Secure Solutions (Singapore) Pte Ltd | West | Construction | SO | SO | - |
| Ashtree International Pte. Ltd. | West | Dormitory | SO | SS | Marsiling |
| Ashtree International Pte. Ltd. | West | Dormitory | SO | SS | Marsiling |
