Listed Vietnamese water and environment corporation (ticker BWE) supplying clean water, wastewater treatment and waste management services for Binh Duong province.

Water and wastewater treatment engineering firm with nationwide branches.

Mekong Delta utility operating water treatment plants and a wastewater treatment plant in Can Tho.

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.

Thu Duc, Ho Chi Minh City company founded in 2006 offering EPC contracting, operation and maintenance, and environmental permitting for industrial water treatment.

Ho Chi Minh City company with 27 years of experience offering consulting, design, construction and equipment supply for clean water and wastewater treatment.

Clean-water treatment technology provider, part of the DNP Water group.

Ho Chi Minh City firm designing and building wastewater, water supply and air emission treatment systems.

Ho Chi Minh City supplier of automated environmental monitoring equipment and water quality sensors, with offices also in Hanoi and Da Nang.

Da Nang conservation NGO running a free nature education center and biodiversity training for students and teachers.

Water and wastewater treatment engineering firm founded 2012, with branches in Hanoi, Da Nang and Can Tho.

Ho Chi Minh City firm with 15 years of experience designing, building and operating industrial and domestic wastewater treatment systems for over 150 completed projects.

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

Ho Chi Minh City engineering company designing and building wastewater treatment systems for seafood, textile, tannery and healthcare facilities across Vietnam.

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

Ho Chi Minh City company operating since 2010 that manufactures automated continuous monitoring systems for wastewater, river water, groundwater and clean water.

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

Ho Chi Minh City company with over a decade of operation providing wastewater treatment, water purification and emission control for electroplating, medical and industrial clients.