| JEN Singapore Tanglin by Shangri-La | Central | In-House | OM | SSS | Jurong East |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Tampines |
| SATS Ltd | East | - | OE | SSS | Tampines |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| SATS Ltd | Island Wide | - | OM | SSS | Tampines |
| PICO Guards Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Fervour Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Crowne Plaza Changi Airport | East | In-House | OE | SSS | Tampines |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Dover |
| Inhouse Employer | West | In-House | OM | SSS | Dover |
| Elid Technology International Pte Ltd | Central | Condominium | SSO | SSS | Ang Mo Kio |
| SATS Ltd | Island Wide | - | OM | SSS | Tampines |
| Total Protection Solutions Pte Ltd | Island Wide | - | OM | SSS | Tampines |
| Grand Copthorne Waterfront Hotel | Central | In-House | Security Mgt | SSS | Choa Chu Kang |
| Star Security Services | Island Wide | - | Security Mgt | SSS | Choa Chu Kang |
| Inhouse Employer | West | In-House | OM | SSS | Choa Chu Kang |
| Orchid Hotel Private Limited | Central | In-House | OM | SSS | Choa Chu Kang |
| Acestes Pte Ltd | Island Wide | - | OM | SSS | Choa Chu Kang |
| GoMobile Security Solutions Pte Ltd | Island Wide | - | OM | SSS | Choa Chu Kang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Choa Chu Kang |
| SATS Ltd | Island Wide | - | OM | SSS | Choa Chu Kang |
| Securus Pte Ltd | Island Wide | - | OE | SSS | Choa Chu Kang |
| Royal Security Management Services Pte Ltd | Island Wide | - | OE | SSS | Choa Chu Kang |
| Overseas (Singapore) Security & Private Investigation Consultants Pte Ltd | Island Wide | - | OE | SSS | Choa Chu Kang |
