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.

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.

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.

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.

Since 2003, Bluey has supplied engineered construction products and innovative solutions to our industry partners, saving them time, money and adding value to their major civil infrastructure projects.

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

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.