Firth Industries
Firth is New Zealand’s leading national concrete company with approximately 70 plants throughout the country.
Rocla Quarry Products
Rocla Quarry Products is a construction sands manufacturer supplying sands to the building and construction industries throughout Australia.
Concrete Industries
Concrete Industries supports construction and infrastructure development in Fiji. The company has four readymix plants, one aggregate operation and a minority share in a cement plant.
Golden Bay Cement
Golden Bay Cement manufactures cement for readymix concrete producers (including Firth), concrete product manufacturers (including Firth and Humes), building materials distributors (including PlaceMakers), paving and construction contractors, and other major users of cement board cladding, concrete roof tiles, concrete pipes and road stabilisation materials.
Winstone Aggregates
Winstone Aggregates is New Zealand's largest manufacturer and distributor of aggregates and sand to roading, ready mixed concrete, and concrete product industries, and other building and civil engineering customers.