Capabilities Capabilities Steel Fabrication

Steel Fabrication

TWK Steel is a fully accredited steel fabrication company operating from two purpose-built workshops in St Marys, Sydney, with a combined working area of over 9,000m² and crane lifting capacity up to 20 tonnes.

Overview

Our facilities are equipped with state-of-the-art machinery and operated by a highly experienced team of boilermakers, welders and project managers who deliver complex steel packages with precision and efficiency.

We are proud to be accredited to ISO 9001, 45001, 14001, ISO 3834.2, SCA CC3, and are a TfNSW Pre-Qualify CC3 fabricator – representing the highest standards of quality, safety and compliance in the industry. Our integrated project management approach ensures seamless coordination, while our strong safety culture guarantees uninterrupted execution and reliable outcomes for critical infrastructure, civil and mining projects.

Purpose-built facilities to handle large infrastructure-scale components 

At TWK Steel, fabrication isn’t the end – it’s part of a connected delivery model that reduces friction from design to site. Our ability to work with diverse materials (Corten, stainless, aluminium, etc.) opens up a lot of options, and alternative solutions, for our clients. We build what works on site, with lifting, staging and installation all planned from the shop floor.  

Our fabrication benefits from deep site experience

To reduce installation time, crane dependency and on-site complexity, we modularise wherever possible. We deliver fabrication – including custom fabrication for steel bridges, platforms, precast interfaces, pipework etc. – to RMS, TMR, VicRoads and TfNSW standards, all backed by full QA documentation and traceability.  

Aluminium fabrication
Architectural screen
Shut down work

Warringah freeway upgrade

Client: CPB–Downer Joint Venture

TWK Steel delivered a turnkey package for three pedestrian bridges, including architectural screens and structural steelwork, integrating bespoke indigenous artwork with engineering precision.

DIN 2303 | EN 15085 | Austroads CC3 | QBCC 1555372
Privacy Policy
‎ ‎ ‎ © 2026 TWK All rights reserved.