India 
- No.W-65, TLV Manor First Floor(Flat No:3A) 2nd street, W-Block, 3rd Main road, Annanagar, Chennai-600 040
- 044 - 4280 3349
- +91 73388 56224
- greentechsc.in@gmail.com
Singapore 
- 25, Harrison Road - 09 - 00, Chin Lim Industrial Building, Singapore - 369646.
- +65 - 91090424
- greentechcivil.sg@gmail.com