Leslie Stephen Cadzow

Holcim Participations (Australia) Pty Ltd. supplies cement and related concrete materials. Its products include bulk cement, lime, fly ash, slag, and packaged products. The firm has offices in Victoria, Queensland, South Australia, and Tasmania. The company was founded in 2006 and is headquartered in Chatswood, Australia.

Hanson Australia Pty Ltd. provides heavy building materials to the construction industry. It offers aggregates, including crushed rock, sand, gravel, crusher dust and road base, and premixed concrete range. The company is headquartered in Sydney, Australia.