United Infrastructure

United Infrastructure is a large-scale civil contractor delivering complex infrastructure and renewable energy projects across NSW.We specialise in bulk earthworks, access roads, drainage, structural concrete and major civil packages within wind, solar and transmission environments. Our experience includes delivery within renewable generation projects such as the Goulburn River Solar Farm and high-voltage transmission infrastructure including HumeLink West, as well as major infrastructure programs at Western Sydney Airport.Backed by the combined strength of Burton Contractors, JK Williams and Mulgoa Quarries, we operate with a workforce of over 400 personnel and substantial self-perform plant and equipment resources. Our capability enables mobilisation at scale across large, remote and technically complex project sites.We operate with disciplined governance, strong commercial controls and structured safety systems, providing asset owners and Tier 1 contractors with confidence in delivery across high-value D&C environments.A Joint Venture between Burton Contractors, JK Williams and Mulgoa Quarries. All being Western Sydney based we have a combined workforce of over 400 people and plant and equipment to deliver large, complex project