Hanoi science and technology organization working on biodiversity protection, protected area management and wildlife rescue across Vietnamese national parks.

Hanoi NGO established in 2003 under license from Vietnam's Ministry of Science and Technology, working on coastal and marine ecosystem conservation and livelihoods.

Hanoi environmental engineering firm building and operating wastewater treatment plants since 1997.

Hanoi consulting firm founded in 1969 covering water supply, drainage, environmental sanitation and climate adaptation planning across Vietnam.

Autonomous Vietnamese conservation NGO grown out of two decades of BirdLife International programme work, focused on biodiversity monitoring and habitat protection.