Alltype Engineering Pty Ltd

Ertech is an employee-owned Australian engineering construction contractor that builds and renews critical infrastructure in transport, defence, resources, and marine sectors across urban, regional, and coastal areas.

Engineering Trades Australia is an Australian engineering service provider supplying trades and offering contracting, fabrication, and hire services for resources and construction projects.

Austin Engineering Ltd designs, manufactures, and services customised mining equipment including dump truck bodies, buckets, and tyre handlers, operating globally with through-life support services.

Indigie Resource Group is an Aboriginal-owned civil contracting company providing labour hire, civil construction, and plant hire services across Western Australia and Queensland.

A Sydney-based construction firm founded in 2015, delivering civil infrastructure, commercial, and residential projects across New South Wales.

Quattro Project Engineering is a consulting engineering, management and contracting firm serving the mining and resources industry as part of the Byrnecut Group.