The Hi-Quality Group operates several quarries within Greater Sydney, the NSW Southern Highlands and Greater Melbourne.

Sydney

  • Kemps Creek Central Quarry – clay and shale supplied to the brick making industry and for general fill market;
  • Wallacia Quarry – crushed sandstone supplied to the roadbase market and medium to coarse construction sand supplied to the concrete and landscaping markets;
  • Menangle Quarry - crushed sandstone supplied to the roadbase market and medium to coarse construction sand supplied to the concrete and landscaping markets; and
  • Mt Hunter Quarry -crushed sandstone supplied to the roadbase market and medium to coarse construction sand supplied to the concrete and landscaping markets.


 NSW Southern Highlands

  • Oallen Gold Mine – medium to coarse sand and gravel aggregates (rounds) supplied to the concrete, landscaping and speciality markets.   The operation is a gold mine with gold extracted from the sand and gravel deposited within the palaeo-river terraces of the ancient former channel of the Shoalhaven River; and
  • Windellama Quarry - clay and shale supplied to the brick making industry and for speciality clay market.


 Melbourne

  • Bulla Basalt Quarry – basalt extracted and processed on-site to produce a range of aggregates and roadbase products for the concrete, asphalt and roadbase markets; and
  • Bulla Sand Quarry – medium to coarse sand extracted and processed on-site to produce a range of medium to coarse sand products for the concrete, asphalt and construction material markets.