- Asian Development Bank (ADB)/Manila
- World Bank
- European Economic Community
- International Labour Organization (ILO)/Nepal
- United States Agency for International Development (USAID)/Nepal
- International Development Agency (IDA)/World Bank
- Germany Agency for Technical Cooperation (gtZ)/Nepal
- Swiss Association for Technical Assistance (SATA)/Nepal before 1988
- Swiss Development Co-operation (SDC/Nepal)
- Canadian International Development Agency (CIDA)/Nepal
- World Health Organization (WHO)/Nepal
- United Nations Children Emergency Fund (UNICEF)/Nepal
- United Nations Children Emergency Fund (UNICEF)/Bhutan
- Royal Government of Bhutan, Department of Works and Housing
- Intermediate Technology Development Group (ITDG), England, U.K.
- United Nations Development Programme (UNDP)/Nepal
- International Centre for Integrated Mountain Development (ICIMOD)/Nepal
- United Mission to Nepal (UMN)
- Danish International Development Agency (DANIDA)
- United Nations Centre for Human Settlements (UNCHS), Nairobi
- Swiss Association for Development & Cooperation (HELVETAS)/Nepal
- Netherlands Development Organization (SNV)/Nepal
- Finnish Development Agency (FINIDA)/Nepal
- HELVETAS/Bhutan
- CKV JICA Study Team for JICA Nepal
- National Highways Authority of India, G-5 and 6, Sector -10, Dwaraka, New Delhi-110075
- Madhya Pradesh Road Development Corporation (MPRDC) Bhopal-462011, India
