The Diona team is over 500 strong with over 350 direct employees. Our people are the cornerstone of our company.
Why Diona? Join us.

John Kyne

batyr Blue Tie Ball 2018

Diona was proud to be a sponsor of the batyr Blue Tie Ball held at the new International Convention Centre in Sydney.

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Woolloomooloo Wastewater Stormwater Separation

Diona recognised in CCF NSW Peoples Awards

At the recent Civil Contractors Federation (CCF) NSW Peoples Awards, Stefan Jones and Joey O’Connor were awarded top honours.

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Safety comes first at Diona