2020
- A1 ENGINEERING
- ABENDING COMPANY
- AIRFAB
- AL-KO
- ARA MANUFACTURING
- AVK WANG
- B & M DORRINGTON
- BOWDEN CORP
- BUSHMANS GROUP
- COMPSEAL
- CONCEPT BOILER SYSTEMS
- CONTROL FABRICATIONS
- CME STEEL CON
- FLEXISTRUT AUSTRALIA
- FICHERA ENGINEERING
- FORTRESS RESISTORS
- GRANDSEAL
- HEAD HOMES
- IKON LIFTING
- IQMAN
- ITEST INDEPENDENT TESTING SERVICES
- JENKINS BROS
- LG WELDING
- MARKSCON
- MARCWELD
- MELBOURNE PRECAST CONCRETE
- METALTEX
- METALEX-EL
- MORSE AIR SYSTEMS
- NELSON SILOS
- NEXUS CONSTRUCTION SYSTEMS
- NO BOLT SYSTEMS
- OFFSHORE ENGINEERING
- PONDELJAK ENGINEERING
- RAPID MACHINING
- REDFERN FLINN
- RENRON
- SHADBOLT
- SCHNEIDER ELECTRIC AUSTRALIA
- STELLAR STEEL
- SYNERGIC ENGINEERING
- VICTORIAN TESTING SERVICES (NATA LAB)
- VISCON
- WANBANNA
- WI BUILDING SYSTEMS