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Thornton Engineering designs and fabricates steel products to the highest quality. Each item we produce is individually tagged and tracked, providing unrivalled traceability.

Every item that leaves our facility needs to pass a four-stage quality inspection process, including assembly, welding, painting and final dispatch. Before any assembly moves to the next stage of production, it must be individually checked and scanned. This allows us to provide regular reports to clients on progress and ensure each item meets our clients’ exact specifications.

In addition to our tracking system, we also provide clients with access to an extensive range of documentation, including, but not limited to, ┬áITP’s, WPS & PQR’s, material certification, stamped heat numbers, dimensional reports, NDT reports, weld maps, paint reports, as-built drawings, and finally, an MDR, which lists all documentation for the project.

Industry Qualifications

Thornton Engineering holds the following qualifications:

AS/NZS ISO 9001:2016

ASME “U” Certificate of Authorisation

ASME “S” Certificate of Authorisation

National Board Certificate of Authorization

Our Quality Policy

Thornton Engineering is a National and International Steel Fabrication Company with the extended services of in-house drafting and site installation.

It is our policy to satisfy our clients’ requirements through:

  • Competitive and accurate pricing
  • Efficient project management techniques
  • Attention to project timing
  • Professional and efficient sub-contractors

We are responsible for quality. This quality policy is implemented and maintained through a comprehensive program of quality objectives and continual process improvement. Our fabrication and management staff, all know that the quality of our work and the firms good name is the result of the everyday actions of its employees in every area.

The quality system in operation at Thornton Engineering complies with AS/NZS ISO 9001:2016.

Why Thornton?


01. Precision Design

Our team can prepare designs to your exact specifications and international design standards.


02. Extensive Capability

We leverage our industry-leading machinery to produce an extensive range of steel products.


03. Proven Performance

We have a reputation for consistently delivering projects at scale, on time and on budget.


04. World Class Quality

We operate an advanced quality management system providing you with the quality you demand.

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