info@twksteel.com.au 
1300 496 724 
Certifications
Register of Qualifications & Certifications
Standard / Accreditation
Title / Description
TfNSW CC3 Qualification
Transport for NSW–Qualified CC3 Steel Fabricator
SCA CC3
Steelwork Compliance Australia – Construction Category 3 (CC3)
DIN 2303
Welding for Defence and High-Integrity Applications (German Standard)
EN 15085
Welding of Railway Vehicles and Components (European Standard)
ISO 3834-2
Comprehensive Quality Requirements for Fusion Welding of Metallic Materials
ISO 9001
Quality Management Systems
ISO 45001
Occupational Health & Safety Management Systems
ISO 14001
Environmental Management Systems
Factory Capability
From fabrication to install, our facility enables us to take a holistic approach to each project, meticulously planning out every step in advance, to ensure successful completion and reduced site disruption.
Projects
Explore our projects
TWK Steel delivers critical infrastructure across Australia’s marine, rail, and civil sectors – from bridges and tunnels to maintenance facilities and highways. Our portfolio includes landmark projects such as the Warringah Freeway Upgrade, WestConnex, Cross River Rail, Southwest Metro, Dubbo Rail Facility, and the Singleton Bypass.
