- www.kgs.com.sg
- 8 Tuas South Lane, #01-71, Singapore 637302
- www.jfe-eng.co.jp/en
- 2 International Business Park, #04-03 The Strategy Tower 1, Singapore 609930
- www.hcgenviro.com
- 8 Tuas View Circuit, Singapore 637777
- 63369034
- enquiry@havconstruction.com.sg
- www.sgpbusiness.com/company/Hav-Construction-Pte-Ltd
- 60 Paya Lebar Road, #07-05 Paya Lebar Square, Singapore 409051
- www.envac.com.sg
- 12 Tannery Road #09-01/02 HB Centre 1, Singapore 347722
- www.eco.com.sg
- 21 Tuas View Circuit, Singapore 637358