| Soverus Pte Ltd | Central | Industrial / Factory | SS | CSO | Ang Mo Kio |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | SSS | Yishun |
| SMS Investigation & Security Pte Ltd | East | Condominium | SO | SSO | Pasir Ris |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | Security Mgt | SSO | Sengkang |
| Acestes Pte Ltd | Central | - | Security Mgt | CSO | Toa Payoh |
| Bulls-Eye Security Services Pte Ltd | North | Condominium | SS | SS | Woodlands |
| FormTeam Consultancy Pte Ltd | Island Wide | - | OE | SSS | Woodlands |
| AETOS Holdings Pte Ltd | West | - | SO | SO | Yishun |
| SMS Investigation & Security Pte Ltd | Central | Condominium | SO | SSO | Woodlands |
| Inhouse Employer | Central | In-House | SSS | SS | Farrer Park |
| SMS Investigation & Security Pte Ltd | Central | Condominium | SS | SSS | Pasir Ris |
| Pedro Investigations & Security Services Pte. Ltd. | Central | - | SSO | SSO | Bukit Batok |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSO | Simei |
| PICO Guards Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Pioneer |
| Global Ritz Protection (Security Services) Pte Ltd | Island Wide | - | OE | SS | Sengkang |
| Sands Global Pte Ltd | East | Condominium | SO | SO | Simei |
| Inhouse Employer | North | In-House | SO | CSO | Yishun |
| Primesafe Security & Investigation Pte Ltd | South | Commercial | SS | SSS | Geylang Bahru |
| First Security & Private Investigation (Singapore) Pte Ltd | West | Condominium | SS | SO | Bukit Panjang |
| AGS Integration Pte. Ltd. | West | In-House | SS | SS | Boon Lay |
| Titanium Safety & Security Pte Ltd | North | In-House | OE | CSO | Marsiling |
| Union Security Services Pte. Ltd. | Island Wide | - | OE | SS | Choa Chu Kang |
| First Security & Private Investigation (Singapore) Pte Ltd | South | Condominium | SS | SSS | Jurong East |
| Legion Protection Pte Ltd | Island Wide | - | OE | SSS | Tampines West |
