| ARSLAN SRS Singapore | South | In-House | RSOC/CAMS Op | SS | Pioneer |
| Power Security Guard Agency Pte Ltd | North | Condominium | SO | SO | Khatib |
| Inhouse Employer | North | In-House | SO | SO | - |
| Fervour Pte Ltd | North | Healthcare | SSO | SSO | Admiralty |
| Union Security Services Pte. Ltd. | North | - | SSO | CSO | Bedok |
| Force-One Security | North | Data Centre | SS | SO | Tampines East |
| SMS Security | North | Condominium | SO | SSO | Woodlands |
| Inhouse Employer | North | Industrial / Factory | SSO | SO | Yishun |
| RAS Security Pte Ltd | North | Commercial | SSO | SO | Bukit Panjang |
| Inhouse Employer | North | Industrial / Factory | SSO | SO | Bukit Panjang |
| 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 |
| Metropolis Security Systems Pte Ltd | North | Mix-Development | SO | SO | Yishun |
| RAS Security Pte Ltd | North | Commercial | SSO | SS | Sengkang |
| Force-One Security | North | Data Centre | OE | SSO | Marsiling |
| Excellent Security & Safety Pte Ltd | North | Data Centre | SO | SS | Buangkok |
| Inhouse Employer | North | Industrial / Factory | SSO | SSS | Marsiling |
| Peregrine Security Pte. Ltd. | North | Commercial | SSO | SSO | Ang Mo Kio |
| Union Security Services Pte. Ltd. | North | Commercial | SSO | SSO | Ang Mo Kio |
| Peregrine Security Pte. Ltd. | North | Healthcare | SSO | SSO | Ang Mo Kio |
| Union Security Services Pte Ltd | North | Industrial / Factory | SSO | SSO | Ang Mo Kio |
| Metropolis Security Systems Pte Ltd | North | Mix-Development | SO | SO | Yishun |
| Hawkeye Security Solutions Pte Ltd | North | Commercial | SO | SO | Yishun |
| Metropolis Security Systems Pte Ltd | North | Condominium | SO | SO | Yishun |
