| Ascentiaa Security Management Pte Ltd | Island Wide | - | OE | SSS | Tampines West |
| Acestes Pte Ltd | Central | - | Security Mgt | Nil | Tampines West |
| Acestes Pte Ltd | Central | - | Security Mgt | Nil | Tampines West |
| Crowne Plaza Changi Airport | East | In-House | OM | CSO | Tampines West |
| SMS Security | Central | Industrial / Factory | SO | SSO | Tanjong Pagar |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | Commercial | SSO | SSO | Tanjong Pagar |
| SMS Security | Central | Industrial / Factory | SO | SSO | Tanjong Pagar |
| Kingston Property Maintenance Services Pte Ltd | Central | - | SS | SSS | Tanjong Pagar |
| PICO Guards Pte Ltd | Central | Commercial | SSS | SSS | Tanjong Pagar |
| Elitez Security Pte Ltd | Central | Commercial | SSS | SSS | Tanjong Pagar |
| Inhouse Employer | Central | In-House | SSS | SSS | Tanjong Pagar |
| Prosec Services Pte Ltd | South | Commercial | SSS | SSS | Tanjong Pagar |
| Inhouse Employer | Central | In-House | SSS | SSS | Tanjong Pagar |
| Metropolis Security Systems Pte Ltd | South | Commercial | SSS | SSS | Tanjong Pagar |
| Premier Security Co-operative Ltd | South | Commercial | SS | SSS | Tanjong Pagar |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSS | Telok Blangah |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSS | Telok Blangah |
| Eagle I Security Services Pte Ltd | Island Wide | - | OE | Nil | Telok Blangah |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | Nil | Telok Blangah |
| Acestes Pte Ltd | Island Wide | - | OM | Nil | Telok Blangah |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | Nil | Telok Blangah |
| SMS Investigation & Security Pte Ltd | Central | - | OM | Nil | Telok Blangah |
| Inhouse Employer | Central | In-House | SO | SO | Telok Blangah |
| Resorts World Sentosa | South | Commercial | SO | SO | Telok Blangah |
| Security & Risk Solutions Pte. Ltd. | Central | - | Office Team | SSS | Tiong Bahru |
