- Tony Arditto Automotive 181U2/ 7 Stoddart Rd, Prospect, NSW
- WAI Engineering 1822 Cumberland St, Blacktown, NSW
- Sparks & Partners Consulting Engineers 183Level 1/ 91 George St, Parramatta, NSW
- Pentair Valves & Controls 184Level 3 9 George St, Parramatta, NSW
- Glowboy Consulting Pty Ltd 18513 Brookhollow Ave, Baulkham Hills, NSW
- JDG Consulting 186Suite 407/ 2-8 Brookhollow Ave, Baulkham Hills, NSW
- Span Consulting Engineers Pty Ltd 1876 Davies Crt, Baulkham Hills, NSW
- Kneebone & Beretta Consulting Pty Ltd 188Unit 18 7 Anella Ave, Castle Hill, NSW
- LePagier Consulting Pty Ltd 1897 Gladstone Rd, Castle Hill, NSW
- Figg Consulting Pty Ltd 19019 Jenner Rd, Dural, NSW
- AJR Solutions Pty Ltd 1915 Bevans Rd, Galston, NSW
- Alden Associates Consulting Engineers Pty Ltd 19238 Bay Rd, Arcadia, NSW
- Enercon Engineering Pty Ltd 19347 Cobah Rd, Arcadia, NSW
- AKT Engineering & Consulting Pty Ltd 19434 Kenelta Ave, Guildford, NSW
- Precision Metal Group Pty Ltd 195Unit 1/ 472 VIctoria St, Wetherill Park, NSW
- Sam Technology Engineers 196130-148 Woodpark Rd, Smithfield, NSW
- Lenton Precision Engineering Pty Ltd 197208 Annangrove Rd, Annangrove, NSW
- Clyde Bergemann Australia Pty Ltd 19833- 35 Redfern St, Wetherill Park, NSW
- Vladimir Rouhliadeff & Associates Pty Ltd 199Suite 3 16 Norfolk St, Liverpool, NSW
- Viscona Pty Ltd 20023 Kareela Crs, Greenacre, NSW
- Fusion Engineering Services 201PO Box 639, Campsie, NSW
- Central Engineers Pty Ltd 202Suite 16/ Rickard Rd, Bankstown, NSW
- Greenarrow Hydraulics 203Lvl 1/ 409 Forest Rd, Bexley, NSW
- HHH Consulting 2049/ 1 Garnet St, Rockdale, NSW
- Keighran & Associates Pty Ltd 205491 Princes Hwy, Rockdale, NSW
- PeterSoft Consulting Pty Ltd 20657 Bassett St, Hurstville, NSW
- Jaspa Consulting Pty Ltd 2072 Lawson St, Panania, NSW
- DEP Consulting Pty Ltd 208Lvl1/ 29 Kiora Rd, Miranda, NSW
- Forrest Engineering Solutions Pty Ltd 209Unit 4 20 Northumberland Drv, Caringbah, NSW
- R & G Dean Pty Ltd 21032 Meta St, Caringbah, NSW