An Sinh Trading and Service Company Limited
(NR Nguyễn Phúc Tài) Thôn Ấp Đồn, Xã Yên Trung, Yen Phong District
Jth International Company Limited
Thôn Phù Lưu (NR Nguyễn Đăng Ninh), Xã Trung Nghĩa, Yen Phong District
Nam Phuong Company Limited
Thôn Chi Long, Xã Long Châu, Yen Phong District
Ngoc Han Trading and Petroleum Services Company Limited
( NR Bà Nguyễn Thị Hân) Thôn Trần Xá, Xã Yên Trung, Yen Phong District