- Pulver Cooper & Blackley Pty Ltd 24198 Lawes St, East Maitland, NSW
- Thomas & Associates Consulting Pty Ltd 242114 Barton St, Kurri Kurri, NSW
- GCA Engineering Solutions 2431 Hartley Dr, Thornton, NSW
- RHM Consulting Engineers 244109 Susan St, Scone, NSW
- Kelley Covey Group Pty Ltd 245162 Marius St, Tamworth, NSW
- Joy Consulting Group 246153 Knobs Rd, Dangarsleigh, NSW
- Tierney Consulting Engineers 2471st Floor 93 Faulkner St, Armidale, NSW
- Namoi Machining & Engineering 248Boggabri Rd, Gunnedah, NSW
- Tahlee Consulting Services 24952 Elgin St, Gunnedah, NSW
- Aquatech Consulting Pty Ltd 2501 Bowen St, Narrabri, NSW
- Eastoe Consulting Pty Ltd 251Gap Hill Rd, Stroud Road, NSW
- Boleh Consulting Pty Ltd 252206 Lennoxton Rd, Vacy, NSW
- R P E Engineering Services 2537 Edgewater Drv, Diamond Beach, NSW
- Hadlow Design Services 2543 Riverview Pl, South West Rocks, NSW
- Dennis Partners Consulting Engineers 25573 Belgrave St, Kempsey, NSW
- Land Dynamics Australia 25679 Lord St, Port Macquarie, NSW
- Local Government Engineering Services Pty Limited 25769 Lord St, Port Macquarie, NSW
- GR Consulting Engineers 258Unit 4/ 35 Merrigal Rd, Port Macquarie, NSW
- JTF Consulting 259U 4/ 46 Lake Rd, Port Macquarie, NSW
- Brad Tolhurst Consulting Pty Ltd 26029 Charlesworth Bay Rd, Coffs Harbour, NSW
- O'Meara Wood & Associates Pty Ltd 261Suite 3 Bailey Centre 150 Pacific Hwy, Coffs Harbour, NSW
- Wastewater Consulting 262Echo Ridge, Ulong, NSW
- de Groot & Benson Pty Ltd 263236 Harbour Drv, Coffs Harbour, NSW
- Geolink 26423 Gordon St, Coffs Harbour, NSW
- Clarence Consultants Pty Ltd 265Level 1 53 Victoria St, Grafton, NSW
- McKenzie Burridge & Associates Pty Ltd 266First Floor Webbers Arc 133 Prince St, Grafton, NSW
- Col Jenkins & Associates 26782 Jubilee St, Maclean, NSW
- Ardill Payne & Partners 26845 River St, Ballina, NSW
- Controlled Power Systems 2693/ 8 Cessna Cres, Ballina, NSW
- GeoLINK 27064 Ballina St, Lennox Head, NSW