| 1 | | 2 Kallang Pudding Rd, #09-10 | Mactech Building |  SG | | +65 67493900 | Kee Hong | |
| 2 | | 03-05 Mega@Woodlands, Singapore 737 856 (visit is strictly by appointment only | 39 Woodlands Cl | SG | | +65 68760581 | N/A | |
| 3 | | 18 Sin Ming Ln | N/A | SG | | +65 6565471151 | N/A | |
| 4 | | 629 Aljunied Rd | N/A | SG | | +65 67442724 | N/A | |
| 5 | | 5 Kallang Sector | N/A | SG | | +65 68410305 | N/A | |
| 6 | | TAMPINES INDUSTRIAL PARK A, 9012 Tampines Street 93 | N/A | SG | | +65 62600160 | N/A | |
| 7 | | 53 Ubi Ave 1 | N/A | SG | | +65 6565067336 | N/A | |
| 8 | | 20 Ang Mo Kio Industrial Park 2A #02-22/23 AMK TechLink | N/A | SG | | +65 64810111 | N/A | |
| 9 | | N/A | N/A | SG | | +65 63416269 | N/A | |
| 10 | | 190 Joo Chiat Rd | N/A | SG | | +65 96626134 | N/A | |
| 11 | | 152 Tagore Ln | N/A | SG | | +65 64525362 | N/A | |
| 12 | | 57 Ubi Ave 1 | N/A | SG | | +65 68468606 | N/A | |
| 13 | | 126 Joo Seng Rd, #01-09 | Gold Pine Industrial Building | SG | | +65 62886316 | N/A | |
| 14 | | 48 Toh Guan Rd E | N/A | SG | | +65 64682536 | N/A | |
| 15 | | 687A Woodlands Drive 75, Block 687A | N/A | SG | | +65 6565613940 | N/A | |
| 16 | | 2021 Bukit Batok Industrial Park A | N/A | SG | | +65 68996788 | N/A | |
| 17 | | 2, #02-02 Sims Cl | N/A | SG | | +65 68481131 | N/A | |
| 18 | | 8B Admiralty St | N/A | SG | | +65 64650118 | N/A | |
| 19 | | 10 Anson Rd, International Plaza | N/A | SG | | +65 93875891 | N/A | |
| 20 | | 5 Soon Lee St, #02-28 | Pioneer Point | SG | | +65 62503515 | N/A | |