| 1 | | 40 Toh Guan Rd E | N/A |  SG | | Engineer | +65 62881183 | | Andrew Tan |
| 2 | | Singapore | Jalan Bukit Merah | SG | | Civil Engineering Company | +65 62735622 | | Chin Fen |
| 3 | | 33 Ubi Ave 3, #08-01 | Vertex | SG | | Engineer | +65 67491911 | | N/A |
| 4 | | 4 Kaki Bukit Ave 1, #04-04 | Kaki Bukit Industrial Estate | SG | | Engineer | +65 67431300 | N/A | Desmond Acromec |
| 5 | | 1 Tuas Link 2 | N/A | SG | | Engineer | +65 68623536 | N/A | Yoshihiro Tsuchiya |
| 6 | | 61 Bukit Batok Cres | N/A | SG | | Engineer | +65 63167800 | N/A | Zen Koong |
| 7 | | 165 Bukit Merah Central | 0 | SG | | Engineer | +65 62276266 | N/A | Chris Lee |
| 8 | | 88 Joo Chiat Road Singapore, Joo Chiat Rd | N/A | SG | | Engineer | +65 67419927 | N/A | N/A |
| 9 | | Aerospace Park, 797551, 5 Seletar Aerospace Link | N/A | SG | | Engineer | +65 68917200 | N/A | N/A |
| 10 | | Keppel Offshore Shipyard Tuas, 51 Pioneer Sector 1 (S)628437 | N/A | SG | | Engineer | +65 68611813 | N/A | N/A |
| 11 | | 29 Tuas Ave 3 | N/A | SG | | Engineer | +65 68611388 | N/A | N/A |
| 12 | | 29 Tuas Basin Link | N/A | SG | | Engineer | +65 68636667 | N/A | N/A |
| 13 | | 8 Shenton Way, Level 34-01 | AXA Tower | SG | | Engineer | +65 6565934299 | N/A | N/A |
| 14 | | 69 Tuas Ave 1 | N/A | SG | | Engineer | +65 68611669 | N/A | N/A |
| 15 | | 153 Telok Ayer St | N/A | SG | | Engineer | +65 62273900 | N/A | N/A |
| 16 | | 203 Hougang Street 21 | N/A | SG | | Engineer | +65 62206601 | N/A | N/A |
| 17 | | 9A Benoi Sector | N/A | SG | | Engineer | +65 62680188 | N/A | N/A |
| 18 | | Harbourfront Pl, #04-02 | HarbourFront Tower Two | SG | | Engineer | +65 62160022 | N/A | N/A |
| 19 | | 3 Soon Lee Street, #03-12 | Pioneer Junction | SG | | Engineer | +65 68633090 | N/A | N/A |
| 20 | | 168, #12-01 Jalan Bukit Merah | Connection One | SG | | Engineer | +65 63779700 | N/A | N/A |
