Tonkin Consulting
- Practice of professional engineers, scientists and technicians, specialising in water, environmental, civil, structural, mechanical, electrical and automotive engineering.
- http://www.tonkin.com.au/

Pritchard Francis
- Engineering expertise includes secondary structural consulting, principal consulting for projects with a major engineering component, and project management in civil and infrastructure engineering.
- http://www.pfeng.com.au/

Pitt and Sherry Consulting Engineers
- Offers expertise in building surveying, industrial management services, property development, sustainable development, transport infrastructure and water.
- http://www.pittsh.com.au/

Patterson Britton and Partners
- Engineering for coastal rivers and estuaries, structural maritime, urban infrastructure, water, wastewater and environment.
- http://www.patbrit.com.au

MacDonald International Consulting Engineers
- Specialises in commercial, institutional, residential and industrial projects including buildings, renovations, forensic assistance, roads, bridges, tunnels, rail systems and dams.
- http://www.miengineers.com/

Kneebone and Beretta
- Offers civil and structural engineering for residences, home units, offices, public and industrial buildings.
- http://www.kneeboneandberetta.com/

Cullen Grummitt and Roe
- Consulting engineers specializing in harbour, civil and structural engineering.
- http://www.cgrgroup.com

Webb Australia
- Offers electrical engineering, specialist lighting, mechanical, security, communications and audio visual consultancy.
- http://www.webbaustralia.com.au/

VOS Group
- Offers professional consulting to the building industry. Areas of expertise include mechanical, electrical, vertical transportation, technology, hydraulics, and fire engineering.
- http://www.vosgroup.com.au/

Broadspectrum
- A specialised, multi-discipline electrical, mechanical and instrumentation service company for the construction, oil and gas, mining, and energy industries.
- http://www.broadspectrum.com.au/

Bonacci Group
- Specialists in structural, civil and infrastructure engineering.
- http://www.bonaccigroup.com/

APP
- A professional services firm specialising in project management, urban development and property, business project management, events and technology.
- http://www.app.com.au/

Hyder Consulting
- An engineering consultancy that plans, designs and manages the development of water, property, highways, rail, defence, and telecommunications infrastructure projects.
- http://www.hyderconsulting.com/

MWH Australia Pty Ltd
- Providers of water, wastewater, engineering, environmental, asset management, mining, transportation, energy and technology solutions.
- http://www.mwhglobal.com.au/

Lambert and Rehbein
- Structural and civil engineers, project managers, and scientists.
- http://www.lar.net.au/

Brown Consulting (Aust) Pty Ltd
- Offers services for roads and bridges, civic projects, buildings, infrastructure, urban development, and subdivisions.
- http://www.brownconsulting.com.au/

Parsons Brinckerhoff
- Consultancy, operational design, and project management in the transport, infrastructure, and environmental sectors. Locations, career opportunities, and service details included.
- http://www.pb.com.au/

Taylor Thomson Whitting
- Consulting engineers providing structural, civil and traffic design and engineering services.
- http://www.ttw.com.au

Qantec McWilliam
- Consulting engineers offering structural, hydraulic and civil engineering solutions through a high level of expertise. Offices in Queensland and NT.
- http://www.qmcw.com.au

Cardno Consulting Engineering
- Offers professional services to create better communities though planning, design and delivery of physical and social infrastructure.
- http://www.cardno.com.au

Connell Wagner
- Engineering consulting practice providing planning, surveying, engineering, analysis, business advisory and project management services.
- http://www.conwag.com/

SMEC
- A consulting engineering firms with major projects throughout the Asia-Pacific, Middle East and Africa. Areas of operation encompass water resources, energy, transport, feasibility analysis, project design, and construction supervision.
- http://www.smec.com.au

GHD
- Offers consultancy services for construction, infrastructure, mining and industry, defense and the environment. Also operates in New Zealand, Asia, the Middle East and the Americas.
- http://www.ghd.com.au/