Ly Nhan Natural Resources and Environment Jointstock Company
Thị tứ Chợ Chanh, Xã Nhân Mỹ, Ly Nhan District
Viet Phat Environment Sanitary Engineering Company Limited
Thôn Vũ Hào, Xã La Sơn, Binh Luc District
Ha Nam Environmental Sanitation Service Company Limited
Xóm 7, Xã Khả Phong, Kim Bang District
Hoang Viet Chemicals and Environment Company Limited
Số nhà 10, tổ 2, Phường Quang Trung, Phu Ly City
Ha Nam Environment and Urban Construction Joint Stock Company
số 150 đường Trường Chinh, Phường Minh Khai, Phu Ly City