| 1 | Novopharm JSC – Pharmaceutical GMP Manufacturer | 2022 | Lot CN05, Dong Van III Supporting Industrial Park, Hoang Dong Ward, Duy Tien Town, Ha Nam, Vietnam | Nguyen Thanh Mo | Manufacture of drugs, pharmaceutical chemicals and medicinal herbs | Private economic |
| 2 | TC FOODS TRADING SERVICES CO., LTD. | 2023 | Lot CN05, Dong Van III Supporting Industrial Park, Hoang Dong Ward, Duy Tien Town, Ha Nam, Vietnam | Nguyen Thi Chung | Restaurants and mobile catering services | Private economic |
| 3 | PHUC CHAU AN INDUSTRY CO., LTD. | 2022 | Lot CN 12, N4 road, Dong Van III supporting industrial zone, Tien Noi ward, Duy Tien town, Ha Nam, Vietnam | Nguyen Thi Kim Hue | Mechanical; metal treatment and coating | Private economic |
| 4 | TDI ELECTRONICS VIETNAM CO., LTD. | 2017 | Dong Van III Supporting Industrial Park, Hoang Dong Ward, Duy Tien Town, Ha Nam, Vietnam | Mayama Kohei | Manufacture of other electrical equipment | Private economic |
| 5 | DREAMTECH SOLUTIONS LIMITED COMPANY | 2022 | Lot CN06, Dong Van III Supporting Industrial Park, Hoang Dong Ward, Duy Tien Town, Ha Nam, Vietnam | Nguyen Thi Hoa | Mechanical; metal treatment and coating | Private economic |
| 6 | KATOLEC GLOBAL LOGISTICS VIETNAM CO., LTD. | 2019 | Lot CN 07, Dong Van III Supporting Industrial Park, Dong Van Ward, Duy Tien Town, Ha Nam, Vietnam | Akita Toshiyuki | Warehousing and storage of goods | Foreign-invested economy |
| 7 | KUWANA CO., LTD. | 2015 | Dong Van III Supporting Industrial Park, Dong Van Ward, Duy Tien Town, Ha Nam, Vietnam | Kenji Hashimoto | Producing products from plastic | Foreign-invested economy |
| 8 | GOLDEN ARROW TECHNOLOGY VIETNAM CO., LTD. | 2021 | Lot CN06, Dong Van III Supporting Industrial Park, Hoang Dong Ward, Duy Tien Town, Ha Nam, Vietnam | Kuo, Chien - Kuan | Production of wrinkled paper, corrugated board, packaging from paper and board | Foreign-invested economy |
| 9 | AVC TECHNOLOGY (VIETNAM) CO., LTD. | 2020 | Lot CN05, Dong Van III Supporting Industrial Park, Hoang Dong Ward, Duy Tien Town, Ha Nam, Vietnam | Wang, Jui-Pin | Manufacture of electronic components | idpvn.com |
| 10 | LTD MATERIAL VIETNAM CO., LTD. | 2020 | Lot CN12, Dong Van III Supporting Industrial Park, Tien Noi Ward, Duy Tien Town, Ha Nam, Vietnam | Nguyen Quoc Viet | Manufacture of glass and glass products | idpvn.com |
| 11 | HA NAM ME&PCCC CO., LTD. | 2022 | Road N1- Supporting Industrial Park Dong Van III, Dong Van Ward, Duy Tien Town, Ha Nam, Vietnam | Nguyen Huy Hoang | Building houses to live in | idpvn.com |
| 12 | HA NAM PHARMACEUTICAL CO., LTD. | 2022 | Lot CN12, Dong Van III Supporting Industrial Park, Tien Noi Ward, Duy Tien Town, Ha Nam, Vietnam | Khuat Van Manh | Manufacture of other foods n.e.c | idpvn.com |
| 13 | NATOCO VIETNAM CO., LTD. | 2021 | Dong Van III Supporting Industrial Park, Hoang Dong Ward, Duy Tien Town, Ha Nam, Vietnam | Masahito Yamaguchi | Other production n.e.c | idpvn.com |
| 14 | OSAWA VIET NAM CO., LTD. | 2012 | Dong Van III Supporting Industrial Park, Dong Van Ward, Duy Tien Town, Ha Nam, Vietnam | Tomomi Osawa | Producing products from plastic | idpvn.com |
| 15 | VPTECH HA NAM ELEVATOR CO., LTD. | 2022 | Lot CN12, Dong Van III supporting industrial park, Tien Noi Ward, Duy Tien Town, Ha Nam, Vietnam | Nguyen Van Nghia | Mechanical; metal treatment and coating | idpvn.com |
| 16 | OSAWA VIET NAM TRADING CO., LTD. | 2015 | Dong Van III Supporting Industrial Park, Dong Van Ward, Duy Tien Town, Ha Nam, Vietnam | Tomomi Osawa | Remaining other business support services n.e.c | idpvn.com |
| 17 | VINA ITO CO., LTD. | 2019 | Dong Van III Supporting Industrial Park, Dong Van Ward, Duy Tien Town, Ha Nam, Vietnam | Yosuke Kawarai | Manufacture of other metal products n.e.c | idpvn.com |
| 18 | VINMANUTECH HA NAM CO., LTD. | 2022 | Lot CN06.1, Dong Van III Supporting Industrial Park, Hoang Dong Ward, Duy Tien Town, Ha Nam, Vietnam | Ly Ngoc Diep | Installation of machinery and industrial equipment | idpvn.com |
| 19 | WISTRON INFOCOMM (VIETNAM) CO., LTD. | 2020 | Lot CN09 and CN10, Dong Van III Supporting Industrial Park, Tien Noi Ward, Hoang Dong Ward, Duy Tien Town, Ha Nam, Vietnam | Tsai, Shang - Jan | Manufacture of computers and computer peripherals | idpvn.com |
