| Reachfield Security & Safety Management Pte Ltd | East | School | SO | SO | Punggol |
| Crowne Plaza Changi Airport | East | In-House | OM | CSO | Tampines West |
| Inhouse Employer | East | In-House | SO | SSS | MacPherson |
| GATES PCM Integrated Services Pte Ltd | East | Condominium | SO | SO | Sengkang |
| Crowne Plaza Changi Airport | East | In-House | OM | SS | Hougang |
| Elid Technology International Pte Ltd | East | Condominium | SS | SS | Hougang |
| Crowne Plaza Changi Airport | East | In-House | OM | SSO | Clementi |
| Inhouse Employer | East | School | SO | SSO | Woodlands |
| SATS Ltd | East | - | OE | SSS | Toa Payoh |
| Crowne Plaza Changi Airport | East | In-House | OE | SSS | Toa Payoh |
| Crowne Plaza Changi Airport | East | In-House | OM | SSS | Bishan |
| Premier Security Co-operative Ltd | East | Commercial | SO | Nil | Simei |
| SATS Ltd | East | - | OE | SSS | Sengkang |
| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | SSO | Pasir Ris |
| G4S Secure Solutions (Singapore) Pte Ltd | East | In-House | SSO | SSO | Pasir Ris |
| SATS Ltd | East | - | OE | SSS | Toa Payoh |
| Crowne Plaza Changi Airport | East | In-House | OE | SSS | Toa Payoh |
| Brink's Singapore Pte Ltd | East | - | SO | SSS | Toa Payoh |
| Brink's Singapore Pte Ltd | East | - | SO | SO | Pasir Ris |
| G4S Secure Solutions (Singapore) Pte Ltd | East | Commercial | SSO | SSO | Pasir Ris |
| Triple ‘S’ Protection Pte Ltd | East | Commercial | SO | SSO | Pasir Ris |
| Metropolis Security Systems Pte Ltd | East | Condominium | SS | SSS | Tampines |
| William Secure Solutions Pte Ltd | East | Condominium | SSS | SSS | Tampines |
| SATS Ltd | East | - | OE | CSO | Toa Payoh |
| Crowne Plaza Changi Airport | East | In-House | OM | CSO | Toa Payoh |
