Corporate Members

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 27,000 people, in over 70 countries, dedicated to improving quality of life.

Aurecon is an engineering, design, and advisory company, but not as you know it. We’ve reimagined engineering.

Founded more than 60 years ago, JK Williams is a family business built on a solid reputation for market distinction, its rich family history and a strong heritage of quality, stability and innovative leadership.

Transport for NSW, sometimes abbreviated to TfNSW, and pronounced as Transport for New South Wales, is an agency of the New South Wales Government established on 1 November 2011, and is the leading transport and roads agency in New South Wales, Australia

Dowsing Group is an Australian owned and operated company that specialises in concrete slipforming, diamond grinding and grooving technologies. Seovic Civil which was acquired by Dowsing, pioneered slipforming in Australia for over thirty years and as a result, it is almost impossible to travel anywhere in Australia without seeing or driving on work that has been completed by Seovic Civil.

GOMACO Corporation manufactures curb and gutter machines, concrete slipform pavers, placer/spreaders, trimmer/placers, cylinder finishers, canal machinery and accessories ideal for any concrete construction project. GOMACO's quality management system is ISO 9001:2015 certified.

In 1987, John Seymour and Garry Whyte started a small civil construction company in Queensland. More than three decades on, the company they founded has grown exponentially. This is in no small part thanks to the way our smarter partnerships shape the quality of every project we undertake, of our clients’ experiences with us, and of the way we respond to business opportunities.

The WIRTGEN GROUP is an internationally operating group of companies in the construction equipment industry. We owe our strength to the five traditional product brands WIRTGEN, VÖGELE, HAMM, KLEEMANN and BENNINGHOVEN. As technological leader, we can offer our customers mobile machine solutions for road construction and road rehabilitation, plants for mining and processing minerals or recycling material and for the production of asphalt

Eifers is a family-owned Australian company with an agile and innovative approach to civil construction. Founded by the Eifermann family in 2003 as a small business, we soon grew and now focus primarily on civil construction and critical infrastructure works.

We are a global collective of designers, engineers and technical experts. We use imagination, technology and rigour to shape a more sustainable world. Big ideas, independent minds, deep technical expertise. Find out what makes Arup different.

ACCIONA is a leading global company with a business model based on sustainability. We aim to respond to society's main needs through the provision of renewable energy, infrastructure, water and services. Over our 100-year history we have built a global reputation for delivering complex, large-scale infrastructure and energy projects with a distinctive hallmark for innovation, environmental sustainability and social purpose.

When one of our founders first started making cement in 1882 there were just over two million people living in Australia. Today over 25 million people are able to benefit from Adbri’s high quality local construction materials that are building a better Australia.

As a fully integrated firm with offices in 20 locations across Australia and New Zealand, we connect knowledge and experience locally and across our global network to help clients solve their most-complex challenges. From high-performance buildings and infrastructure to resilient communities and environments, our creative solutions to building great spaces and places transform urban environments and differentiate our clients’ projects

Aran products, including: mixers and mobile and modular plant systems for the mining, construction & quarry industry are located around the world. Mixing capabilities include mine backfill products: paste, cement aggregate and hydraulic. Engineering services in backfill design, feasibility services and project management. Road construction products including: road base and pavements. Roller Compacted Concrete (RCC) for Pavements and Dams.

An icon of the Australian cement industry, Cement Australia is the nation’s leading supplier of cementitious products and services.

HBM Group offers a low-cost professional association management service that focuses on the specific needs of your industry association and members. Our vision is to develop long-term, mutually sustainable relationships with beneficial outcomes. We provide clients with a range of services tailored to your association’s specific needs, requirements and budget.

Holcim Australia is a leading supplier of aggregates, concrete (readymix) and concrete pipe and products.

Leviat unites the expertise, skills and resources of CRH’s construction accessories companies in a single global organisation. Leading industry names, including Ancon, Connolly, HALFEN, Helifix, Isedio and Plaka, have come together as Leviat to better support your business. We are building on our individual strengths to enable us to be even more agile and responsive to your needs, as they evolve over time. The world is changing. Whatever the future demands of our industry and the world around us, we are ready. We are Leviat. We are Ready.

The Department of Transport and Main Roads, known often as TMR, is a department of the Queensland Government, formed in April 2009 with the merger of the Queensland Transport and the Department of Main Roads

South East Concreting Pty Ltd is a concreting company specialising in subcontracting to major civil construction projects in New South Wales and Queensland. SEC is a K2 prequalified company specialising in all types of hand and machine placed road pavements, slipformed barriers and provision of labour to the civil construction industry. Our staff have vast experience in this field.

Founded in New Zealand in 1959 as a specialist environmental and engineering consultancy, Tonkin + Taylor (T+T) owes its success to market-leading technical expertise, a commitment to competing on quality and the exceptionally high calibre of our technical specialists. T+T has an established team of experienced designers and technicians in Australia who specialise in the investigation and analysis required to develop practical and cost-effective pavement solutions for our clients.

It was 1928 when William Treuhaft opened his small roofing materials manufacturing plant in Cleveland, Ohio, naming the company the Tremco Manufacturing Company. Today, Tremco is an RPM International, Inc. affiliate company employing over 500 people and a leader in the construction industry. Tremco consists of operating divisions specializing in the manufacture of sealants and waterproofing products for multiple structures including office buildings, stadiums, parking garages, single- and multi-family homes, hospitals, high-rises and more.