| Inhouse Employer | South | Mix-Development | OE | CSO | Bukit Panjang |
| Securus Pte Ltd | Island Wide | - | OE | CSO | Bukit Panjang |
| Securus Pte Ltd | Island Wide | - | OE | SS | MacPherson |
| Primesafe Security & Investigation Pte Ltd | Island Wide | - | OE | SS | MacPherson |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | OE | SS | MacPherson |
| Inhouse Employer | South | Mix-Development | OE | SS | MacPherson |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | CSO | Sengkang |
| Security & Risk Solutions Pte. Ltd. | Island Wide | - | OE | SSO | Marsiling |
| Force-One Security | North | Data Centre | OE | SSO | Marsiling |
| Inhouse Employer | Central | Mix-Development | OE | SSS | Tampines West |
| GATES PCM Integrated Services Pte Ltd | Island IWde | - | OE | SS | Buangkok |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Tampines West |
| Inhouse Employer | West | School | OE | SSS | Marsiling |
| Inhouse Employer | Central | Mix-Development | OE | CSO | Bedok |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Securus Pte Ltd | Island Wide | - | OE | CSO | Bedok |
| Securus Pte Ltd | Island Wide | - | OE | SSS | Boon Lay |
| Metropolis Security Systems Pte Ltd | Island Wide | - | OE | SSS | Boon Lay |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | Commercial | OE | SSS | Boon Lay |
| Union Security Services Pte. Ltd. | Island Wide | - | OE | SSS | Boon Lay |
| Inhouse Employer | Central | Mix-Development | OE | SS | Sengkang |
| Furama RiverFront, Singapore | South | Hotel | OE | SS | Sengkang |
| FormTeam Consultancy Pte Ltd | South | Events | OE | SS | Sengkang |
| Inhouse Employer | Central | Hotel | OE | SS | Sengkang |
| Prosegur Singapore Pte Ltd | Island Wide | - | OE | SS | Sengkang |
