Built on Expertise. Driven by Results.
Tri Sector Industries is an Adelaide-based civil contracting company delivering high-quality, efficient, and safe contracting services across South Australia.
Who We Are
Tri Sector Industries was founded on a simple principle: deliver what you promise, to the standard you agreed, on the day you said. We operate across South Australia's commercial and infrastructure sectors, bringing a skilled team and a modern fleet to every project.
Our name reflects our core focus — three sectors of civil work: earthworks and excavation, drainage and pipeline, and road and structural works. Together, these capabilities mean we can take a project from raw ground to finished infrastructure without handing off to multiple contractors.
Based in Adelaide, we work across metropolitan and regional South Australia, supporting developers, builders, councils, and infrastructure managers who need a contractor they can count on.
Our Capabilities at a Glance
- Bulk Earthworks & Excavating
- Civil Reworks
- Drainage & Pipe Laying
- Pipe Jacking & Poly Welding
- Road Base & Concrete Kerbing
- Retaining Walls
- Carting & Water Trucks
- Wet Hire
What We Stand For
Safety Without Compromise
Every person on our sites goes home safe. We maintain strict safety protocols, hold current certifications, and conduct regular training. Safety isn't a checkbox — it's how we operate.
Environmental Responsibility
We work on the land and we respect it. Every project is executed with full environmental compliance — managing erosion, sediment, and site impacts to protect the communities and ecosystems we work within.
Clear Communication
You'll always know where your project stands. We communicate proactively, flag issues early, and keep our clients informed from ground-breaking to final handover. No surprises.
On Time. On Budget.
We understand that project delays cost money. Our experienced team and well-maintained fleet are organised to deliver on schedule and within the agreed budget — every time.
Adelaide Based. SA Wide.
We're headquartered in Adelaide, South Australia, and operate across the greater metropolitan area and regional SA. Whether your project is in the CBD fringe, outer suburbs, or a regional centre, we have the logistics and experience to deliver.