2018
- ABENDING COMPANY
- ACCESS COVERS
- AUSTANK
- AUST POST TENSIONING
- AUSTRALIAN PRESSURE WELDING
- CALBAH ENGINEERING
- CAMILLO
- CONCEPT BOILER SYSTEMS
- CONTROL FABRICATIONS
- CRYOQUIP
- EMS ENGINEERING MAINTENANCE SERVICES
- EXPERT CONSULTING
- FLEXISTRUT AUSTRALIA
- FICHERA ENGINEERING
- FITZGERALD CONSTRUCTIONS
- GRANDSEAL
- GROUNDMASTER
- HAMILTON MARINO
- HITACHI CONSTRUCTIONS
- HUFCOR
- ITEST INDEPENDENT TESTING SERVICES
- LAMB ENGINEERING
- MARCWELD
- METALTEX
- METALEX-EL
- MIDECO DUST CONTROL
- MORSE AIR SYSTEMS
- NELSON SILOS
- NO BOLT SYSTEMS
- OFFSHORE ENGINEERING
- OFINAC ACOUSTIC DESIGN P/L
- ONSITE STEELFAB
- PENTAIR WATER
- PNEUVAY ENGINEERING
- PONDELJAK ENGINEERING
- RENRON AUSTRALIA
- SCHNEIDER ELECTRIC AUSTRALIA
- SOUTHEAST ENGINEERING
- STEINERT
- TURAMA INDUSTRIES
- QUALITY SITE WELDING (SUGARLOAF DAM PROJECT)
- RAPID MACHINING
- SHADBOLT
- TYCO FLOW CONTROL
- UGL-KAEFFER
- UPWEY VALVES
- WELCRO
- WESTLINK ENGINEERING GROUP
- WILHELMSEN AUSTRALIA
- WANG COMPONENTS
- VERTIMAX AUSTRALIA
- VICTORIAN TESTING SERVICES (NATA LAB)