Allied Concrete Allied Concrete has a network of 50 ready mix concrete plants that span the country – 33 of these are joint venture operations with Holcim. Allied Concrete
Holcim Concrete Managed by Allied Concrete management, Holcim Concrete plants are owned by AML – a joint venture of Holcim and HWR Group. AML operates two brands in New Zealand: Allied Concrete in the north Island, and Ashby’s Ready Mixed in Canterbury. Ashby’s Ready Mixed
