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One team accountable from the factory floor to your site
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In-house capability
Our standard
The result
We fabricate in our own Wangara manufacturing and fabrication facility and install on sites across the country, supplying perimeter security, custom fencing, and structural steel for infrastructure, industrial, mining, high-security projects, and more.
What sets us apart is how we run the work. Every quote is checked against your drawings. Every project gets a nominated manager and a weekly written update. Every job hands over with the full compliance pack ready on day one.
Your project moves forward with the
answers, the updates, and the documentation already in hand. It all comes down to how we approach the whole job from start to finish.
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In-house capability
We fabricate in our own Wangara manufacturing and fabrication facility and install on sites across the country, supplying perimeter security, custom fencing, and structural steel for infrastructure, industrial, mining, high-security projects, and more.

Our standard
What sets us apart is how we run the work. Every quote is checked against your drawings. Every project gets a nominated manager and a weekly written update. Every job hands over with the full compliance pack ready on day one.
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The result
Your project moves forward with the answers, the updates, and the documentation already in hand. It all comes down to how we approach the whole job from start to finish.

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We design it, plan it, build it, and install it
We start by understanding your operational, security, safety, and compliance requirements, then engineer a fencing solution built around your site and project objectives.
We map out workable fencing solutions around your security, operational, and site conditions, coordinating with your team to minimise disruption during installation.
We fabricate custom fencing, gates, and security products in our own factory, managing procurement end-to-end for quality, consistency, and on-time delivery.
Our experienced crews install complete fencing systems across multiple sectors and projects, always to specification and program.
The full range of capabilities to protect what matters most on your project
Proven in sectors where there is no margin for error
Perimeter security, dust suppression, and site-access fencing for mining operations and remote resources projects.
Perimeter and safety fencing across road, rail, bridge, and depot packages for major infrastructure programs.
Fencing and fabrication on council and government assets with formal procurement and WHS requirements.
Compliant perimeter security fencing for schools, campuses, and education facilities.
Secure perimeters, fabricated gates, and structural work for industrial sites, depots, and commercial facilities.
Compliant perimeter and asset fencing for water, power, telecommunications, and energy infrastructure.
Hostile-vehicle mitigation, palisade, and specialised fencing for sensitive sites and critical infrastructure.
Boundary, containment, broadacre, and stock-proof fencing for rural properties and agricultural operations.
Boundary fencing for national parks, reserves, and conservation estates across regional and remote Australia.
Locally based, delivering across Australia
Years of combined
industry experience
Mobilisation capability
Recent projects across different sectors and scopes

Armadale Line Upgrade Alliance (ALUA)
Nanambinia Group was engaged to deliver fencing works across multiple sections of the Armadale Line Upgrade Alliance, one of Western Australia's most significant rail infrastructure upgrades. Working within live rail environments and highly regulated construction corridors, our team provided specialist fencing solutions designed to enhance public safety, asset protection and long-term infrastructure security.
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Laverton Mine Expansion
Nanambinia Group delivered approximately 3.3 kilometres of agricultural fencing to facilitate mine expansion activities in regional Western Australia. The project formed part of critical enabling works designed to establish secure operational boundaries and support future site development.
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Tonkin Highway Extension
Nanambinia Group continues to support the Tonkin Extension Alliance through the delivery of multiple fencing, handrail, balustrade and associated work packages across one of Western Australia's largest road infrastructure projects. Working alongside major contractors and alliance partners, our team has provided specialist labour, manufactured components and self-performed installation services throughout various stages of the project.
What it is actually like to work with us
Our family heritage
In 1896, Heinrich Dimer and Topsy Whitehand, a Wudjari Noongar woman, secured a lease on a property north of Esperance and named it Nanambinia.
That same year, Heinrich won a government contract carting telegraph poles by camel team, the first of the family's ventures in the region. Together they raised nine children on the station.
Four generations later, the Dimer name still stands behind every project we deliver.

Answers to the questions that come up before every project
We manufacture at our Wangara facility in Perth and deliver across Western Australia and nationally. Metro, regional, and remote projects are all within our capability, and we mobilise to wherever your site is located. Travel and mobilisation are quoted transparently as line items so you can see exactly what you are paying for.
We deliver commercial fencing and fabrication packages across infrastructure, transport, industrial, government, mining, high-security, and agricultural projects. Our work ranges from single-site packages through to multi-site programs and large perimeter scopes. If you have a package in mind, send it through, and we will confirm fit quickly.
Yes, all three. We can supply fencing and fabricated products for your own crews to install, install products supplied by others, or deliver the complete supply-and-install package. Whichever arrangement suits your program and contract structure, we will price and deliver it accordingly.
Yes. All custom fencing, gates, and security products are fabricated in our own Wangara manufacturing and fabrication facility. Having production in-house means we control quality, consistency, and delivery timing rather than relying on third-party suppliers. It also means custom and project-specific items can be turned around to suit your program.
We operate documented safety, quality, and environmental management systems aligned to industry requirements, and supply SWMS, ITPs, and supporting documentation as part of every project. Our systems are prepared for Tier 1 onboarding and public tender submission, so your team does not have to chase them. Full documentation is available on request or as part of a tender response.
Yes. Nanambinia is registered with Supply Nation as an Indigenous-owned business. For clients with Reconciliation Action Plan commitments, Aboriginal Procurement Policy obligations in Western Australia, or Commonwealth Indigenous Procurement Policy targets, awarding work to Nanambinia contributes directly toward those targets. Our certification and supporting procurement evidence are available on request.
Yes. We regularly work under Tier 1 head contractor onboarding processes, including prequalification portals, site-specific inductions, and project-specific documentation requirements. Our safety, quality, insurance, and compliance records are maintained and ready to submit. Tell us your onboarding platform and requirements, and we will work through them with your team.
Yes. We respond to tenders and RFQs from government agencies, councils, head contractors, and private clients. Our standard submission includes pricing, methodology, program, safety and quality documentation, insurances, references, and Indigenous procurement evidence. If your submission format requires anything additional, let us know at the invitation stage, and we will build it in.
Send us your drawings, specification, or tender package and we will confirm receipt on the same business day. We will let you know whether we can price from the documents provided or whether a site visit is needed, and give you a realistic timeframe for our submission. You can also call us directly if you would prefer to talk it through first.











