2019
- A1 ENGINEERING
- ABENDING COMPANY
- AIM BUILDING GROUP
- AIRFAB
- AL-KO
- AQUAMAX
- ARA MANUFACTURING
- AVK WANG
- B & M DORRINGTON
- BMC WELDING
- BEEVER ENGINEERING
- BOWDEN CORP
- BRAY CONTROLS PACIFIC
- BUSHMANS GROUP
- CENTRAL STEELBUILD
- COMPSEAL
- CONCEPT BOILER SYSTEMS
- CONTROL FABRICATIONS
- CME STEEL CON
- ENGINEERING DIRECTIONS
- FLEXISTRUT AUSTRALIA
- FICHERA ENGINEERING
- FORTRESS RESISTORS
- GRANDSEAL
- HEAD HOMES
- HENDERSONS TIMBER
- IKON LIFTING
- IQMAN
- ITEST INDEPENDENT TESTING SERVICES
- JAEGER GROUP
- MARKSCON
- MARCWELD
- MARKS 4WD
- 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
- RON BASS BOILERS
- SHADBOLT
- SCHNEIDER ELECTRIC AUSTRALIA
- SPARTAN STEEL
- SUREWELD
- SYNERGIC ENGINEERING
- TIB WELDING
- TRANSFAB
- TURAMA INDUSTRIES
- VICTORIAN TESTING SERVICES (NATA LAB)
- VISCON