About Us

The Steel Builders Story

Redefining steelwork precision in Australia's domestic housing market

Our Journey

Borne from humble beginnings in St Marys, Australia, over a decade ago, Steel Builders has been revolutionising steel solutions for the domestic housing market. With a clear vision for customer-centric service, superior craftsmanship, and innovative steel solutions, we have emerged as a leading structural steel supplier across New South Wales and beyond with a reputation second to none.

Our Values

Our values are deeply important to us. They are the lintels of our success. We're proud of who we are.


We are honest and value customers
Always build and maintain trust with our customers (internal & external)
Always respond to our customers needs in a timely manner
Always communicate appropriate information with integrity


We continue to grow
Always have a continuous improvement mindset
Always encourage each other to share ideas
Always embrace progress


We think safety first
Always take a proactive approach towards safety
Always report safety hazards, near misses and all incidents
Always promote safe behaviours


We work collaboratively
Always understand the impact of how we act and behave
Always share information to support across the Steel Builders team
Always treat our colleagues how we like to be treated


We take ownership
Always take responsibility for our actions
Always hold others accountable
Always follow through on our commitments

Our Goal

Our expertise caters to diverse clients, from large-scale builders to individual homeowners, across Sydney Metro, Blue Mountains, North and South Coast, Canberra regions, and rural NSW.

How Steel Builders is Leading the Industry

We're proud to offer a full service to send product. Fully-resourced and locally based business with 90+ fulltime staff. We are specialists in what we do - domestic housing. The advantage to the builder is that they are getting more knowledge and they can have the confidence with us. We service the majoirty of product home builders in the state (85%), the largest steel deliveries in terms of volume. We have evolved our ways of working, our products, our overall service and our broader offering based on helping make the builders life as straightforward as possible." - both in office and online. We make the traditional process easier as we are all hands on deck (getting approved by counsels & signing off on construction sets etc) 50+ week to build a domestic house. We have a wide variety of products, and in turn are committed to ensuring we service the delivery of these items across the majority of major construction areas/zones in New South Wales. We have unique products that are designed and tested in Australia, supported by investment through destructive testing and certification from local engineers. This gives engineers, builders and their construction teams peace of mind in knowing the products are compliant and reputable.

State-of-the-Art Facilities

Our expansive 13,000m2 North St Marys facility is a testament to our commitment to cutting-edge innovation, housing advanced processing equipment, painting bays, and ample stock storage. Over 90 skilled professionals spanning admin, sales, detailing, welding, processing, and delivery ensure a comprehensive, end-to-end service.

Unrivalled Value-Added Services

From CAD-drafted shop drawings to painting, galvanising, and several value-added services to guarantee seamless execution at each project phase. A paperless, traceable ERP system ensures dependable lead times and unsurpassed fabrication accuracy.

Pioneering Industry Innovation - The Smart™ Range

In our pursuit of innovation, we introduced the SMART™ range in 2021, setting new standards for cost-effectiveness and efficiency in contrast to traditional methods.

Our Trusted Partners

Our Head Office

18-20 Charles Street St Marys NSW 2760

Mon - Fri, 8:00am - 4:00pm
Saturday, Closed
Sunday, Closed

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