| Crowne Plaza Changi Airport | East | In-House | OM | CSO | Toa Payoh |
| Elitez Security Pte Ltd | East | Commercial | SO | SSS | MacPherson |
| Crowne Plaza Changi Airport | East | In-House | OM | SS | Woodlands |
| Crowne Plaza Changi Airport | East | In-House | OM | SS | Woodlands |
| Inhouse Employer | East | In-House | SO | SSS | MacPherson |
| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | SSS | MacPherson |
| Inhouse Employer | East | School | SO | SSS | MacPherson |
| SATS Ltd | East | - | OE | CSO | Toa Payoh |
| Crowne Plaza Changi Airport | East | In-House | OM | SO | Tampines |
| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | SS | Woodlands |
| Ascentiaa Security Management Pte Ltd | East | Condominium | SSO | SS | Punggol |
| Mainguard Security Services (S) Pte Ltd | East | Healthcare | SSO | SS | Punggol |
| Crowne Plaza Changi Airport | East | In-House | OM | CSO | Toa Payoh |
| Inhouse Employer | East | In-House | SO | SSS | MacPherson |
| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | SSS | MacPherson |
| Unique Security Services Pte Ltd | East | Condominium | SSO | SSS | MacPherson |
| Elid Technology International Pte Ltd | East | Condominium | SO | SO | Pasir Ris |
| SMS Investigation & Security Pte Ltd | East | Condominium | SO | SO | Pasir Ris |
| Royal Security Management Services Pte Ltd | East | Gov Building | SO | SO | Pasir Ris |
| Elid Technology International Pte Ltd | East | Condominium | SO | SO | Pasir Ris |
| Crowne Plaza Changi Airport | East | In-House | OM | SSS | Bishan |
| Crowne Plaza Changi Airport | East | In-House | OM | SS | Marsiling |
| RAS Security Pte Ltd | East | Commercial | SS | SS | Marsiling |
| GATES PCM Integrated Services Pte Ltd | East | Commercial | SS | SS | Marsiling |
| Union Security Services Pte. Ltd. | East | Data Centre | SS | SSS | Bishan |
