| 1 | PETROLEUM MECHANICAL JSC | 2010 | Road D1, Zone C, Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Nguyen Cam Linh | Production of metal structures | Private economic |
| 2 | HOA PHAT HA NAM HOME APPLIANCES JSC | 2021 | Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Vu Thanh Nam | Producing consumer electrical appliances | Private economic |
| 3 | FINETEK VIETNAM JSC | 2013 | Lot A1-3, Road N2, Zone A, Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Kang Won Il | Manufacture of electronic components | Private economic |
| 4 | VINAGLAZE JSC | 2010 | Road D1, Zone C, Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Do Truong Son | Manufacture of products from other non-metallic minerals n.e.c | Private economic |
| 5 | VINA - HANAM FEEDMILL JSC | 2012 | Road D2 - Zone E - Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Pham Duc Luan | Producing animal, poultry and aquatic feed | Private economic |
| 6 | VINA HA NAM FEED JSC | 2015 | Road D2 - Zone E - Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Pham Duc Luan | Manufacturing and processing industry | Foreign-invested economy |
| 7 | ADVANCED MATERIAL VIETNAM CO., LTD. | 2013 | Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Faizulla Furkhat | Leasing of machinery, equipment and other tangible goods n.e.c | Foreign-invested economy |
| 8 | BEST BK CO., LTD. | 2020 | Road D3, Zone D, Hoa Mac Industrial Park, Chau Giang Ward, Duy Tien Town, Ha Nam, Vietnam | Park, Jong Ho | Manufacture of electronic components | Foreign-invested economy |
| 9 | CU TECH VIETNAM CO., LTD. | 2015 | Road D3, Zone G, Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Ha Chung Soo | Manufacture of electronic components | idpvn.com |
| 10 | CHIYODA VIETNAM CO., LTD. | 2006 | Road D3, Area G2, Hoa Mac Industrial Park, Chau Giang Ward, Duy Tien Town, Ha Nam, Vietnam | Sasaki Takaaki | Other business support service activities n.e.c | idpvn.com |
| 11 | DK VIET NAM CO., LTD. | 2014 | D3 Street, Lot G, Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Son Kyong Wook | Other production n.e.c | idpvn.com |
| 12 | DK VIETNAM CO., LTD. | 2015 | D3 Street, Lot G, Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Son Kyong Wook | Build | idpvn.com |
| 13 | DMR VINA CO., LTD. | 2018 | Road D1, Zone E, Hoa Mac Industrial Park, Trac Van Commune, Duy Tien Town, Ha Nam, Vietnam | Kim Junho | Producing other products from rubber | idpvn.com |
| 14 | DORCO VINA CO., LTD. HA NAM BRANCH | 2018 | Road D3, Zone G, Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Baek Hakgi | Producing cutlery, hand tools and common metal products | idpvn.com |
| 15 | DYNAOX VIET NAM CORPORATION LIMITED | 2015 | Road N2, Zone A, Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Takeda Akira | Mechanical; metal treatment and coating | idpvn.com |
| 16 | ELITE GROUP HA NOI CO., LTD. | 2013 | Area D, Road N2, Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Son Hyuk Jun | Manufacture of jewelry, imitation jewelry and related parts | idpvn.com |
| 17 | ILJIN DISPLAY VINA CO., LTD. | 2019 | Lot A1-3, Road N2, Zone A, Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Yu Wan Tae | Manufacture of electronic components | idpvn.com |
| 18 | KOMOS VINA CO., LTD. | 2018 | Road N3, Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Park Yongsung | Manufacture of spare parts and accessories for motor vehicles | idpvn.com |
| 19 | KUROSU HANAM CO., LTD. | 2018 | Road D1, Zone E, Hoa Mac Industrial Park, Chau Giang Ward, Duy Tien Town, Ha Nam, Vietnam | Okamoto Koichi | Manufacture of knitted fabrics, crocheted fabrics and other nonwovens | idpvn.com |
| 20 | NAXIS VIETNAM CO., LTD. HA NAM BRANCH | 2016 | Road N2, Zone A, Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Suzuki Hiroshi | Printing | idpvn.com |
| 21 | NODA KOGYO (VIETNAM) CO., LTD. | 2016 | Road N2, Zone A, Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | MASUDA SHUICHI | Mechanical; metal treatment and coating | idpvn.com |
| 22 | NPI VIET NAM CO., LTD. | 2015 | Lot G1-3, Road D3, Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Lee Han Chul | Manufacture of electronic components | idpvn.com |
| 23 | GP BATTERIES (VIETNAM) LLC | 2015 | Road N3, Zone C, Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Tantry Yarmalu Prasad | Manufacture of batteries and accumulators | idpvn.com |
| 24 | PRETTY VINA CO., LTD. | 2017 | Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Manzione John Joseph | Producing products from plastic | idpvn.com |
| 25 | V-MEDITECH DEVELOPMENT CO., LTD. | 2021 | Road D3, Hoa Mac Industrial Park, Trac Van Commune, Duy Tien Town, Ha Nam, Vietnam | Le Duc Tho | Producing other products from rubber | idpvn.com |
| 26 | HOA MAC INDUSTRIAL PARK DEVELOPMENT MANAGEMENT COMMPAY LIMITTED | 2008 | Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Hoang Quang Viet | Trading in real estate, land use rights belonging to owners, users or renters | idpvn.com |
| 27 | SEBANG CHAIN VINA CO., LTD. | 2014 | D2, Zone C, Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Han Kyung Sue | Manufacture of jewelery and related details | idpvn.com |
| 28 | TAESUNG HITECH VINA CO., LTD. | 2018 | D2 Street, Zone E, Hoa Mac Industrial Park, Trac Van Commune, Duy Tien Town, Ha Nam, Vietnam | Yoon Tae Hun | Producing products from plastic | idpvn.com |
| 29 | NASACO HA NAM ANIMAL FEED CO., LTD. | 2015 | Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Nguyen Duc Phong | Producing animal, poultry and aquatic feed | idpvn.com |
| 30 | VIETNAM UCT CO., LTD. | 2020 | Road D3, Hoa Mac Industrial Park, Trac Van Commune, Duy Tien Town, Ha Nam, Vietnam | You Jae Kyu | Manufacture of electronic components | idpvn.com |
| 31 | VIET NAM BYRON HOLDINGS LIMITED | 2014 | Road N2, Lot C, Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Hayashi Masahiro | Production of yarns, woven fabrics and finishing of textile products | idpvn.com |
| 32 | VIETNAM KYODO SEIHAN PRINTING CO., LTD. | 2016 | Factory E, AMV factory area, N2 road, zone A, Hoa Mac industrial zone, Hoa Mac ward, Duy Tien town, Ha Nam, Vietnam | Tani Masahiro | Production of wrinkled paper, corrugated board, packaging from paper and board | idpvn.com |
| 33 | YAMATO ELECTRIC VIETNAM CO., LTD. | 2021 | Road D3, Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Saito Toshihiko | Manufacture of electrical wiring equipment of all kinds | idpvn.com |
| 34 | BRANCH OF GUYOMARC'H-VCN CO., LTD. IN HA NAM | 2015 | Road N5, Zone B, Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | Ryan Joseph Brocklesby | Producing animal, poultry and aquatic feed | idpvn.com |
| 35 | BRANCH OF OSG VIETNAM CO., LTD. IN HA NAM | 2013 | Hoa Mac Industrial Park, Hoa Mac Ward, Duy Tien Town, Ha Nam, Vietnam | TAKAGI AKIRA | Remaining other personal service activities n.e.c | idpvn.com |
