Stevenson
Aggregate
Aggregate solutions for commercial, infrastructure and residential use.
Aggregate Products
Roading
Sealing chips, basecourses, sub-basecourses and subgrade aggregates manufactured for use in roads and heavy duty pavements.
Read moreDrainage
Permeable or blended aggregates in fine or coarse specifications for drainage applications.
Read moreSand
Sand and pumice aggregates produced in a range of specifications for use in a variety of applications including manufacturing, sports turf and horticulture.
Read moreConcrete
Concrete aggregates manufactured for strength and binding ability and produced to consistently fine tolerances.
Read moreOur Team
Our aggregates team have been industry forerunners since 1912. We’re not just experts in aggregate extraction, processing and distribution, we’re committed innovators. We are continually working to develop new technologies and processes that will lighten our effect on the environment while delivering the best products possible. Quality and consistency are as important to us as they are to you.
Aggregate
News
Is this New Zealand’s most challenging site?
23 Sep 2021
Western Bay of Plenty quarry Poplar Lane is known as New Zealand’s most challenging site. The team finds anything from andesite to rhyolitic material, to ash and clays.
Clevedon Quarry critical to support Auckland’s construction growth
23 Sep 2021
With Auckland’s construction sector estimated to balloon by 70 percent over the next decade, Clevedon Quarry is perfectly positioned for growth.
Award winning restoration project surging with indigenous wildlife
23 Sep 2021
prompted a restoration that not only created an award winning wetland environment for our indigenous species, but a legacy for future generations.