1. Greater Mekong Subregion (GMS) Program
    (GMS)
    Cambodia; Lao People’s Democratic Republic; Myanmar; Thailand; Viet Nam
  2. South Asia Subregional Economic Cooperation (SASEC) Initiative
    (SASEC)
    Myanmar
  3. Indonesia-Malaysia-Thailand Growth Triangle (IMT-GT)
    (IMT-GT)
    Indonesia; Malaysia; Thailand
  4. Brunei Darussalam-Indonesia-Malaysia-Philippines East ASEAN Growth Area (BIMP-EAGA)
    (BIMP-EAGA)
    Brunei Darussalam; Indonesia; Malaysia; Philippines
  5. Bay of Bengal Initiative for Multi-Sectoral Technical and Economic Cooperation (BIMSTEC)
    (BIMSTEC)
    Myanmar; Thailand
  6. Association of Southeast Asian Nations (ASEAN) cooperation on transport, telecommunication, energy, and customs
    (ASEAN)
    Brunei Darussalam; Cambodia; Indonesia; Lao People’s Democratic Republic; Malaysia; Myanmar; Philippines; Singapore; Thailand; Viet Nam
  7. Association of Southeast Asian Nations Plus Three (ASEAN+3) cooperation on energy, transport, and information & communications technology
    (ASEAN +3)
    Brunei Darussalam; Cambodia; Indonesia; Lao People’s Democratic Republic; Malaysia; Myanmar; Philippines; Singapore; Thailand; Viet Nam
  8. World Tourism Organization Silk Road Project
    (World Tourism Organization (WTO) Silk Road Project )
    Indonesia; Malaysia
  9. Asia-Pacific Economic Cooperation (APEC) Transportation Working Group (TPTWG), Energy Working Group (EWG), and Telecommunications and Information Working Group (TEL)
    (APEC-Infra)
    Brunei Darussalam; Indonesia; Malaysia; Philippines; Singapore; Thailand; Viet Nam
  10. Ayeyawady-Chao Phraya-Mekong Economic Cooperation Strategy (ACMECS)
    (ACMECS)
    Cambodia; Lao People’s Democratic Republic; Myanmar; Thailand; Viet Nam
  11. Asia Cooperation Dialogue (ACD)
    (ACD - Infra)
    Brunei Darussalam; Cambodia; Indonesia; Lao People’s Democratic Republic; Malaysia; Myanmar; Philippines; Singapore; Thailand; Viet Nam
  12. United Nations Economic and Social Commission for Asia and the Pacific (UNESCAP)
    (UNESCAP)
    Brunei Darussalam; Cambodia; Indonesia; Lao People’s Democratic Republic; Malaysia; Myanmar; Philippines; Singapore; Thailand; Viet Nam