For over 40 years, Diona has partnered with leading utility owners to keep the water running, lights on and waste managed for Australian communities. In September 2024, Diona became part of SRG Global.

Specialists in infrastructure for water, wastewater, gas, electricity and transport, Diona offers solutions covering all aspects of design, construction, renewals and maintenance. 

Keeping an eye on the future, our sustainability and renewables design and delivery capability covers all technologies and solutions.

With a commitment to excellence in engineering, workplace safety, sound environmental management, Diona has an extensive service offering including:

•	Cable pulling (underground cable services to 330kV) 
•	Conduit installation 
•       Potable and recycled water mains 
•	Gas mains 
•	Sewerage mains 
•	Stormwater systems and mains 
•	Optical fibre cable 
•	Concrete structures 
•	Bridge works 
•	Directional drilling 
•	Pipe jacking 
•	Excavation 
•	Plant hire 
•	Permanent road restoration 
•	Traffic management
•	Environmental, safety and community management

At our core, Diona is a people-centric, values based organisation that strives to deliver the best, safest and most sustainable outcomes for our people, clients and community. Diona offers opportunities to grow and succeed in your career. 

Construction

Infrastructure

Renewable Energy

Utilities

Water

Diona

Diona's headquarters in North Sydney, Australia

Diona

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Diona

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