| Inhouse Employer | Island Wide | Construction | OM | SS | Pioneer |
| AGS Integration Pte. Ltd. | West | In-House | SS | SSO | - |
| Guthrie FMC Security Pte Ltd | Island Wide | - | OE | SS | Woodlands |
| Fervour Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Soverus Pte Ltd | Central | Data Centre | SSS | CSO | Clementi |
| Danmax Security Management Pte Ltd | South | Condominium | SO | SO | - |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SS | MacPherson |
| Inhouse Employer | Central | Hotel | OE | SSO | Hougang |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SS | Bedok North |
| AGS Integration Pte. Ltd. | Island Wide | - | OE | SSS | Sengkang |
| SATS Ltd | Island Wide | - | Inves | Nil | Yishun |
| William Secure Solutions Pte Ltd | East | Healthcare | SO | SO | Hougang |
| Inhouse Employer | East | School | SO | SO | Pasir Ris |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Tampines West |
| Premier Security Co-operative Ltd | East | In-House | Office Team | SS | Sengkang |
| Inhouse Employer | Central | Mix-Development | Security Mgt | SS | Hougang |
| Inhouse Employer | East | In-House | SO | SSO | Simei |
| Strive Security Pte Ltd | Island Wide | - | OE | CSO | Toa Payoh |
| Securus Pte Ltd | Island Wide | - | OE | SSS | Woodlands |
| SATS Ltd | Island Wide | - | OM | Nil | Tampines |
| SATS Ltd | Island Wide | - | OM | Nil | Bukit Gombak |
| Malaysia Dairy Industries Pte Ltd | East | Commercial | OE | SSO | Marsiling |
| Reachfield Security & Safety Management Pte Ltd | East | School | SO | SO | Punggol |
| Securitas Guarding Services (Singapore) Pte Ltd | East | Data Centre | SS | SS | MacPherson |
| G4S Secure Solutions (Singapore) Pte Ltd | Central | Retail | SO | SO | - |
