| 1 | QUANG NAM AGRICULTURAL VARIETIES JSC | 2020 | Thuan Yen Industrial Park, Hoa Thuan Ward, Tam Ky City, Quang Nam, Vietnam | Tang Thuong Lam | Multiplication and annual seedling care | Non-state mixed economy |
| 2 | INTIMEX - HOA CAM CONCRETE JSC | 2002 | Lot B6 - 5 Thuan Yen Industrial Park, Hoa Thuan Ward, Tam Ky City, Quang Nam, Vietnam | Ngo Van Long | Producing concrete and products from cement and gypsum | Private economic |
| 3 | PHUOC KY NAM JSC | 2010 | Thuan Yen Industrial Park, Hoa Thuan Ward, Tam Ky City, Quang Nam, Vietnam | Ly Hong Bich Nhung | Producing shoes | Private economic |
| 4 | QUANG NAM ELECTRIC CONSTRUCTION JSC | 1998 | Thuan Yen Industrial Park, Tran Phu Street, Hoa Thuan Ward, Tam Ky City, Quang Nam, Vietnam | Ngo Van Hoa | Construction of other civil engineering works | Non-state mixed economy |
| 5 | SPORTTEAM CORPORATION GARMENT COMPANY | 2006 | Thuan Yen Industrial Park, Hoa Thuan Ward, Tam Ky City, Quang Nam, Vietnam | Tseng Yung Feng | Manufacture of other textiles n.e.c | Foreign-invested economy |
| 6 | ANH NGAN QN CO., LTD. | 2011 | Thuan Yen Industrial Park, Hoa Thuan Ward, Tam Ky City, Quang Nam, Vietnam | Tran Hong Chien | Manufacture of paper and paperboard packaging | Private economic |
| 7 | LEDUP LIGHTING ECOTECH CO., LTD. | 2021 | Lot CN2-6, Thuan Yen Industrial Park, Hoa Thuan Ward, Tam Ky City, Quang Nam, Vietnam | Chan Michael Kwok-Kwan | Manufacture of electrical lighting equipment | Foreign-invested economy |
| 8 | THUAN YEN PACKAGING LIMITED COMPANY | 2013 | Thuan Yen Industrial Park, Hoa Thuan Ward, Tam Ky City, Quang Nam, Vietnam | Nguyen Dinh Nghia | Other specialized wholesale n.e.c | Private economic |
| 9 | THUONG CAO TRADE & SERVICE - EXPORT IMPORT FOOD PROCESSING SINGLE MEMBER LIMITED COMPANY | 2004 | Thuan Yen Industrial Park, Hoa Thuan Ward, Tam Ky City, Quang Nam, Vietnam | Tang Thuong Lam | Manufacture of other foods n.e.c | idpvn.com |
| 10 | SHIN CHANG VINA CO., LTD. | 2015 | Lot B4-2, Thuan Yen Industrial Park, Hoa Thuan Ward, Tam Ky City, Quang Nam, Vietnam | Kim Yong Chang | Manufacture of medical, dental, orthopedic and rehabilitation equipment and instruments | idpvn.com |
| 11 | QUANG TIN VIET CO., LTD. | 2013 | Thuan Yen Industrial Park, Hoa Thuan Ward, Tam Ky City, Quang Nam, Vietnam | Ngo Van Tien | Construction of other civil engineering works | idpvn.com |
| 12 | TAM AN II CO., LTD. | 2006 | Thuan Yen Industrial Park, Hoa Thuan Ward, Tam Ky City, Quang Nam, Vietnam | Dinh Ngoc Lac | Basic chemical production | idpvn.com |
| 13 | VIET - THAI TRADING - SERVICE AND PRODUCTION CO., LTD. | 2007 | Thuan Yen Industrial Park, Hoa Thuan Ward, Tam Ky City, Quang Nam, Vietnam | Huynh Van Tuong | Sale of spare parts and accessories for automobiles and other motor vehicles | idpvn.com |
| 14 | VAN AN HOA LIMITED COMPANY | 2021 | Thuan Yen Industrial Park, Hoa Thuan Ward, Tam Ky City, Quang Nam, Vietnam | Pham Van Quan | Producing shoes | idpvn.com |
| 15 | J&G VINA LIMITED COMPANY | 2017 | Lot B4-1, Thuan Yen Industrial Park, Hoa Thuan Ward, Tam Ky City, Quang Nam, Vietnam | Kim June Sik | Manufacture of spare parts and accessories for motor vehicles | idpvn.com |
