| #1 | Environmntal Services Ltd. |
| Address | : | House # 21 (G/F), Road # 7, Shial Bari, rupnagar, Mirpur-2, Dhaka 1216 |
| Contact | : | Phone: +880-2-8021083, Fax: +880-2-8012688 |
|
| #2 | Green Alert Technologies |
| Address | : | 150, Shantinagar (1st floor), Dhaka 1217 |
| Contact | : | Phone: +880-2-8361704, 8311223, Fax: +880-2-8361869 |
|
| #3 | Layout |
| Address | : | House # 6, (2nd floor), Road # 5, Dhanmondi, Dhaka 1205 |
| Contact | : | Phone: +880-2-9665993, 8629989 |
|