| *
Institution of Civil Engineers, UK |
| *
Institution of Engineers, Australia (IEA) |
| *
The Institution of Engineers, (India) |
| *
Institution of Highways and Transportation, UK (IHT) |
| *
The Institution of Structural Engineers, UK |
*
International Association for Engineering Geology
and the Environment (AIGI / IAEG) |
*
International Association for Bridge and Structural
Engineering (IABSE) |
*
International Association for Shell and Spatial
Structures (IASS) |
| *
International Geosynthetics Society |
| *
International Society for Asphalt Pavements (ISAP) |
* New Zealand Water Supply and Wastes
Association (NZWWA) |
*
Permanent International Association of Road
Congresses (PIARC) |
| *
Post-Tensioning Institute, USA |
| *
Project Management Institute (PMI) |
*
Regional Institute of Environmental Technology
(RIET) |
| *
Southeast Asian Geotechnical Society (SEAGS) |
| *
The Chartered Institute of Building (CIOB) |
*
The Chartered Institution of Water and
Environmental Management (CIWEM) |
*
The Institution of Railway Signal Engineers, UK
(IRSE) |
| *
The Permanent Way Institution, UK (PWI) |
| *
Transportation Research Board, USA (TRB) |
| *
Steel Construction Institute |
* Road Engineering Association of Asia and
Australia (REAAA) |