| Mahesh | Central | In-House | SO | SO | Bedok |
| Soverus Pte Ltd | North | School | SO | SO | Ang Mo Kio |
| Trek Investigations & Security Management Services Pte Ltd | West | Industrial / Factory | SO | Nil | Jurong East |
| RAS Security Pte Ltd | North | Commercial | SSO | SS | Choa Chu Kang |
| Inhouse Employer | Central | In-House | SSS | SSS | Toa Payoh |
| TwinRock Global | Central | - | Security Mgt | SS | Hougang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SS | Bukit Panjang |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SO | Bukit Batok |
| Dorsett Singapore | Central | Hotel | SSO | SS | HarbourFront |
| Furama RiverFront, Singapore | South | Hotel | OE | SS | - |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | SS | Clementi |
| Metropolis Security Systems Pte Ltd | Island Wide | - | OE | SS | Hougang |
| Bulls-Eye Security Services Pte Ltd | South | Gov Building | SO | SO | Hougang |
| Titanium Safety & Security Pte Ltd | Island Wide | - | OE | SO | Woodlands |
| Force-One Security | North | Data Centre | SS | SSO | Tampines |
| First Security & Private Investigation (Singapore) Pte Ltd | East | Condominium | SS | SS | Punggol |
| ProtectPlus Pte Ltd | Island Wide | - | OE | SO | Marsiling |
| Kingston Property Maintenance Services Pte Ltd | Central | Mix-Development | SS | SS | Aljunied |
| Premier Security Co-operative Ltd | North | Commercial | SSO | SS | Yishun |
| Inhouse Employer | East | School | SO | SO | Bedok |
| Elid Technology International Pte Ltd | West | Condominium | SS | SS | Marsiling |
| TwinRock Global | Central | - | Security Mgt | SS | Toa Payoh |
| Shine Security Agency Pte Ltd | Island Wide | - | OE | SS | Farrer Park |
| First Security & Private Investigation (Singapore) Pte Ltd | North | Condominium | SO | SSO | Woodlands |
| Inhouse Employer | Central | Country Club | OM | CSO | Bukit Batok |
