Diona
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Diona is an Australian company specialising in the design and construction of essential community inf John and Margaret O’Connor founded Diona in 1980.
Since then the company has grown to become one of the most respected civil engineering companies on the east coast of Australia. Our specialty is technically complex urban projects. We have a proven track record of developing equipment and innovative solutions to meet challenging client requirements. Our services include all aspects of trenching, boring and drilling, pipeline installation for wate
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Our Story
John and Margaret O’Connor founded Diona in 1980. Since then the company has grown to become one of the most respected civil engineering companies in Australia with over 500 employees.
Our specialty is technically complex urban projects. We have a proven track record of developing equipment and innovative solutions to meet challenging client requirements.
Diona is set apart by our comprehensive ‘one-stop’ service offering and single point of accountability for all of your utility and infrastructure needs.
We offer a true turn-key solution covering all aspects of design and construction encompassing trenching, drilling and pipeline installation for water, drainage, sewer, gas, electricity and transport infrastructure.
We are accredited service providers to Energy Australia, Energex, TransGrid, Sydney Water, Queensland Urban Utilities, SA Water, APA Group, Jemena and Telstra, as well as many other asset owners. We’ve also worked on many projects for local councils in the greater Brisbane, Sydney, Melbourne and Adelaide regions.
Location
Website
Address
North Sydney, NSW
Opening Hours
| Monday | 8am - 5pm |
| Tuesday | 8am - 5pm |
| Wednesday | 8am - 5pm |
| Thursday | 8am - 5pm |
| Friday | 8am - 5pm |