| 1 | VIET NAM CARBON CORPORATION | 2009 | Lot 2B, Nam Chau Son Industrial Complex, Chau Son Ward, Phu Ly City, Ha Nam, Vietnam | Nguyen Trung Thanh | Construction of other civil engineering works | Private economic |
| 2 | TAN PHAT HA NAM MINERAL PROCESSING JSC | 2017 | Nam Chau Son Industrial Complex, Chau Son Ward, Phu Ly City, Ha Nam, Vietnam | Nguyen Minh Quyen | Exploitation of stone, sand, gravel and clay | Private economic |
| 3 | VIET NAM TAP INVESTMENT JSC | 2010 | Nam Chau Son Industrial Cluster, Chau Son Ward, Phu Ly City, Ha Nam, Vietnam | Cao Thi Thanh Tu | Trading in real estate, land use rights belonging to owners, users or renters | Private economic |
| 4 | HAMICO MINERAL RECRUITMENT AND PROCESSING JSC | 2014 | Nam Chau Son Industrial Cluster, Chau Son Ward, Phu Ly City, Ha Nam, Vietnam | Le Quang Minh | Exploitation of stone, sand, gravel and clay | Private economic |
| 5 | HOANG VAN CO., LTD. | 2001 | Nam Chau Son Industrial Complex, Chau Son Ward, Phu Ly City, Ha Nam, Vietnam | Nguyen Van Van | Producing building materials from clay | Private economic |
| 6 | VIET PHAP ECONOMIC DEVELOPMENT CO., LTD. | 1998 | Nam Chau Son Industrial Complex, Chau Son Ward, Phu Ly City, Ha Nam, Vietnam | Vu Thi Thuy | Exploitation of stone, sand, gravel and clay | Private economic |
| 7 | DU CHAU SON INDUSTRIAL TRANSPORTATION AND LOADING CO., LTD. | 2014 | Nam Chau Son Industrial Complex, Chau Son Ward, Phu Ly City, Ha Nam, Vietnam | Ly Cat Tam | Service activities that directly support water transport | Private economic |
| 8 | TRUNG KIEN CO., LTD. | 2004 | Nam Chau Son Industrial Complex, Chau Son Ward, Phu Ly City, Ha Nam, Vietnam | Nguyen Trung Kien | Construction of other civil engineering works | Private economic |
