* ASEAN Federation of Engineering Organisations (AFEO)
* Airport Consultants Council (ACC)
* Association of Consulting Engineers Malaysia
* Board of Engineers Malaysia
* Council on Tall Buildings and Urban Habitat
* Department of Environment (DOE)
* Environmental Management and Research
  Association of Malaysia
* Institution of Electrical and Electronic Engineers,
* The Institution of Engineers, Malaysia (IEM)
* Malaysian Chapter of International Erosion Control Association (IECA)
* Malaysia Energy Centre (PTM)
* Malaysian Bureau of Consultants
* Malaysian Chapter of ASHRAE
* Malaysian Employers Federation (MEF)
* Malaysian Institute of Management (MIM)
* Malaysian Nature Society (MNS)
* Association of Malaysian Oil & Gas Engineering   Consultants (MOGEC)
* Malaysian Structural Steel Association (MSSA)
* Precast / Pre-stressed Concrete Institute
* Standard & Industrial Research Institute of
  Malaysia (SIRIM)
* The Chartered Institute of Transport, Malaysia
* Concrete Society of Malaysia (CSM)
* Malaysian Water Association (MWA)
* Road Engineering Association of Malaysian

* American Concrete Institute (ACI)
* American Institute of Aeronautics and  Astronautics, Inc. (AIAA)
* American Society for Testing and Materials (ASTM)
* American Society of Agriculture and Biological Engineers (ASABE)
* American Society of Civil Engineers (ASCE)
* American Society of Heating, Refrigerating and
  Air-Conditioning Engineers, Inc. (ASHRAE)
* British Geotechnical Association (BGA)
* British Standards Institution (BSI)
* Construction Industry Research and Information
  Association, UK (CIRIA)
* Construction Management Association of America
* Geotechnical Engineering International Resource
  Center (GE-IRC)

* 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
* 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
* The Permanent Way Institution, UK (PWI)
* Transportation Research Board, USA (TRB)
* Steel Construction Institute
* Road Engineering Association of Asia and
  Australia (REAAA)