OUR STORY
GD Contracting & Concrete was founded by Gavin Duffy, who brings more than 15 years of civil and concrete expertise.What began as a small Territory operation has grown into a trusted partner for government, mining, oil & gas, utilities, and agriculture projects across NT, WA & QLD. With a workforce of over 30, a mine-spec fleet, and a mobile batching plant producing up to 21m³ per hour, we’re equipped to deliver in even the most remote and high-risk environments.
WHAT WE DO
From bridges to batching, GD Contracting & Concrete brings confidence, capability, and Territory pride to every project.
We deliver full-scope civil and concrete services, including:
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Remote & regional concrete supply and placement
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Bridge & culvert construction
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Structural concrete and steel reinforcement
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Civil infrastructure works (roads, subdivisions, drainage, earthworks)
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Formwork systems (Peri, Skydeck, Doka)
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Mining & industrial concrete works
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Government contracting & compliance
Every project is delivered with safety, compliance, and performance at the forefront.
OUR DIFFERENCE:
WHAT SETS US APART:
Reliability
We do what we say,
every time.
Safety & Compliance
No shortcuts,
no compromises.
Performance
Skilled people, mine-spec fleet, proven systems.
Community
Supporting Indigenous employment and local procurement.
Experience
15+ years delivering Territory civil and concrete projects.
Calvert River Bridge Crossing (NT)
NORTHERN TERRITORY