Foreign and Multinational
| 1 | Sunjgee Construction Co. Ltd. | 1995 to 2003 |
| 2 | Yaita Kouki Co. CEPZ | 90-91, 91-92, 92-93 |
| 3 | Fuji Bangla Int. Company Ltd. | 1996 to 2000 |
| 4 | Fairways Corporation Ltd. | 1998 to 2003 |
| 5 | Grabowsky & POORT BV Consulting Engineer | 1995 to1997 |
| 6 | Arkadias Bouwinfra | 1998 |
| 7 | Bangla Sungjee Ltd. | 1997 to 2003 |
| 8 | BDC-NCE-FF-CRUZ (Joint Venture Co.) | 1996 to 2002 |
| 9 | BDC-BDCC-HUM (Joint Venture Co.) | 1996 to 2001 |
| 10 | BDC-NCE-PEB (Joint Venture Co.) | 1996 to 2002 |
| 11 | BDC-NCE-Consortium | 2000 to 2005 |
| 12 | B.K. Development Ltd. | 1998 to 2001 |
| 13 | National Lotee Joint Venture | 2002 to 2005 |
| 14 | Mazan Bangladesh Ltd. | Since 2013 |
| 15 | Kotobuki Bd. Ltd. | Since 2013 |
| 16 | Teamglobal Logistics Bd. Pvt. Ltd. | Since 2016 |
| 17 | Trenchless Engineering Services Private Limited Since (Branch Office Bangladesh) | 2015 to 2018 |
| 18 | Winston KW Limited | 2017, 2018 |
| 19 | Universal Mensware Ltd. | 2017 to 2020 |
| 20 | ZTE Corporation Limited | 2017 to 2020 |