International Society and Secretariat Office of the Domestic Society
- Eastern Asia Society for Transportation Studies (EASTS)
- U.P. National Center for Transportation Studies (UP-NCTS)
Corporate Members
- ALMEC Corporation
- Mapúa University
- Metro Pacific Tollways Corporation (MPTC)
- Planning and Development Research Foundation Inc. (PLANADES)
- U.P. National Center for Transportation Studies Foundation Inc. (UPNCTSFI)
- SMDI Consultants Inc.
- KE ASIA, Inc.
- Systra Philippines Incorporated
Former Corporate Members
- Abratique & Associates Philippines Inc.
- WSP Philippines Inc.
- Transport and Traffic Planners Incorporated (TTPI)
- CEDCO Engineers
- Optimal Tech Industries Trading Corporation
- GHD Pty Ltd
- National Economic and Development Authority (NEDA)
Academe
- Bataan Peninsula State University
- Cagayan State University
- Cebu Institute of Technology University
- De La Salle University
- Lyceum of the Philippines University Cavite
- Mapúa University
- Mariano Marcos State University
- Mindanao State University – Iligan Institute of Technology
- Polytechnic University of the Philippines
- Saint Louis University
- Surigao del Sur State University
- University of Asia and the Pacific
- University of Northern Philippines
- University of the Philippines Diliman
- University of the Philippines Los Baños
- University of the Philippines Visayas
- University of San Jose-Recoletos
- Visayas State University
- Western Mindanao State University
- Xavier University – Ateneo de Cagayan
Government
- Philippine Council for Industry, Energy and Emerging Technology Research and Development (DOST-PCIEERD)
- Department of Science and Technology (DOST)
- Department of Transportation (DOTr)
- Department of Public Works and Highways (DPWH)
- Metropolitan Manila Development Authority (MMDA)
Societies
- Philippine Institute of Civil Engineers (PICE)
- World Conference on Transport Research Society (WCTRS)
International Agencies and Organizations