1
Country: USA | Funding: $442.4M
Gradiant is a solutions provider and developer of cleantech water projects for advanced water and wastewater treatment.
Gradiant is a solutions provider and developer of cleantech water projects for advanced water and wastewater treatment.
2
Country: Canada | Funding: $146.7M
Ostara’s proprietary Pearl technology recovers nutrients from industrial, agricultural, and municipal water treatment streams, transforming them into granular fertilizers that improve crop yields and reduce runoff. We are transforming the commodity market value chain and closing the loop on phosphorus for future generations.
Ostara’s proprietary Pearl technology recovers nutrients from industrial, agricultural, and municipal water treatment streams, transforming them into granular fertilizers that improve crop yields and reduce runoff. We are transforming the commodity market value chain and closing the loop on phosphorus for future generations.
3
Country: Canada | Funding: $126.8M
Anaergia offers comprehensive, integrated solutions for municipal solid waste management, resource recovery in the wastewater sector and waste management for large agricultural and food processing enterprises. The company develops world-leading solutions for anaerobic digestion, pyrolysis, organic matter recovery and biogas upgrading. Anaergia's anaerobic digestion technology has been implemented at over 1,000 facilities in more than 17 countries. The company provides customers with equipment or designs, finances, builds and operates complete biorefineries. The company's goal is to become the world's leading producer of renewable fuels while simultaneously reducing global carbon emissions.
Anaergia offers comprehensive, integrated solutions for municipal solid waste management, resource recovery in the wastewater sector and waste management for large agricultural and food processing enterprises. The company develops world-leading solutions for anaerobic digestion, pyrolysis, organic matter recovery and biogas upgrading. Anaergia's anaerobic digestion technology has been implemented at over 1,000 facilities in more than 17 countries. The company provides customers with equipment or designs, finances, builds and operates complete biorefineries. The company's goal is to become the world's leading producer of renewable fuels while simultaneously reducing global carbon emissions.
4
Country: USA | Funding: $98.8M
ZwitterCo provides revolutionary membrane solutions for the treatment of highly-impaired wastewater.
ZwitterCo provides revolutionary membrane solutions for the treatment of highly-impaired wastewater.
5
Country: Sweden | Funding: $69.9M
ORBITAL SYSTEMS is a Swedish clean-tech company that develops a water recycling technology to be used in domestic appliances.
ORBITAL SYSTEMS is a Swedish clean-tech company that develops a water recycling technology to be used in domestic appliances.
6
Country: Switzerland | Funding: $69M
Neustark is a concrete producer in bern using wastewater treatment plant by turning CO2 into minerals.
Neustark is a concrete producer in bern using wastewater treatment plant by turning CO2 into minerals.
7
Country: Canada | Funding: $37.1M
Axine Water Technologies is a developer of wastewater treatment technologies and solutions.
Axine Water Technologies is a developer of wastewater treatment technologies and solutions.
8
Country: Israel | Funding: $32.3M
Homebiogas develops bio-toilet which can convert human waste into cooking fuel sans the need to access sewers or water grids.
Homebiogas develops bio-toilet which can convert human waste into cooking fuel sans the need to access sewers or water grids.
9
Country: USA | Funding: $27.9M
Membrion is a manufacturer of ultra-low cost, high performance ion exchange membranes.
Membrion is a manufacturer of ultra-low cost, high performance ion exchange membranes.
10
Country: France | Funding: €23.2M
TOOPI Organics collects and transforms human urine into fertiliser products
TOOPI Organics collects and transforms human urine into fertiliser products
11
Country: USA | Funding: $25.4M
Epic CleanTec is decentralizing wastewater treatment and reuse into individual buildings or groups of buildings.
Epic CleanTec is decentralizing wastewater treatment and reuse into individual buildings or groups of buildings.
12
Country: USA | Funding: $21.3M
Aclarity is a VC-backed cleantech startup developing and selling water treatment systems to clean the world's water and wastewater.
Aclarity is a VC-backed cleantech startup developing and selling water treatment systems to clean the world's water and wastewater.
13
Country: UK | Funding: £15M
Impact Recycling has developed a breakthrough plastic recycling technology which separates the components of mixed plastic waste.
Impact Recycling has developed a breakthrough plastic recycling technology which separates the components of mixed plastic waste.
14
Country: Singapore | Funding: $11M
Hydropleap provides advanced environmental-friendly technological water treatment solutions.
Hydropleap provides advanced environmental-friendly technological water treatment solutions.
15
Country: USA | Funding: $10.5M
Aquagga cleans wastewater with less energy and develops innovative tech to create a positive societal impact in the developed and developing world.
Aquagga cleans wastewater with less energy and develops innovative tech to create a positive societal impact in the developed and developing world.
16
Country: USA | Funding: $275K
IX Power Clean Water is an innovative provider of cleantech solutions designed to treat and clean industrial wastewater so that freshwater resources can be preserved for families, crops, and communities.
IX Power Clean Water is an innovative provider of cleantech solutions designed to treat and clean industrial wastewater so that freshwater resources can be preserved for families, crops, and communities.
17
Country: USA | Funding: $7.4M
Glanris makes a sustainable, low cost hybrid filtration media that removes organics as well as metals from water. Its Biocarbon is made from the largest agricultural waste, rice husks, allowing for global expansion of our carbon-negative technology to reduce greenhouse gasses and sequester carbon at gigaton scale.
Glanris makes a sustainable, low cost hybrid filtration media that removes organics as well as metals from water. Its Biocarbon is made from the largest agricultural waste, rice husks, allowing for global expansion of our carbon-negative technology to reduce greenhouse gasses and sequester carbon at gigaton scale.
18
Country: Australia | Funding: $6.6M
Nexus eWater is a home water recycling platform that develops solutions converting grey water for home water and energy use.
Nexus eWater is a home water recycling platform that develops solutions converting grey water for home water and energy use.
19
Country: Israel | Funding: $6M
TaKaDu is a water network management company offering water utilities to improve network efficiency and planning decisions.
TaKaDu is a water network management company offering water utilities to improve network efficiency and planning decisions.
20
Country: Germany | Funding: €5M
Membion provides wastewater treatment with membrane bioreactor technology.
Membion provides wastewater treatment with membrane bioreactor technology.
21
Country: Netherlands | Funding: €4M
Hydraloop develops home water-recycling system. It allows to use the recycled water from the shower, bath and washing machine for toilet flushing, the garden and washing machine.
Hydraloop develops home water-recycling system. It allows to use the recycled water from the shower, bath and washing machine for toilet flushing, the garden and washing machine.
22
Country: India | Funding: $4M
Mumbai startup INDRA Water treats wastewater and industrial effluents from textiles, chemicals, and pharma industries.
Mumbai startup INDRA Water treats wastewater and industrial effluents from textiles, chemicals, and pharma industries.
23
Country: Canada | Funding: $3M
Swirltex builds custom water treatment systems for a wide range of applications. Swirltex unique patent membrane works by separating and filtering liquids according to their buoyancy, which allows for greater production with less pollution of the water. The ability to manipulate the buoyancy of different contaminants within the liquid stream allows the Swirltex system to treat water that would be considered unusable.
Swirltex builds custom water treatment systems for a wide range of applications. Swirltex unique patent membrane works by separating and filtering liquids according to their buoyancy, which allows for greater production with less pollution of the water. The ability to manipulate the buoyancy of different contaminants within the liquid stream allows the Swirltex system to treat water that would be considered unusable.
24
Country: Italy | Funding: €2.5M
Circular Materials delivers sustainable & innovative solutions to recover critical raw materials from black mass and industrial wastewater.
Circular Materials delivers sustainable & innovative solutions to recover critical raw materials from black mass and industrial wastewater.
25
Country: Finland | Funding: €2.2M
NPHarvest is a company with expertise in organic waste management, wastewater treatment, and nutrient recovery.
NPHarvest is a company with expertise in organic waste management, wastewater treatment, and nutrient recovery.
26
Country: USA | Funding: $2.1M
Aqua Membranes is an environmental company that provides a differentiated solution in membrane element construction.
Aqua Membranes is an environmental company that provides a differentiated solution in membrane element construction.
27
Country: Germany | Funding: €1.7M
Variolytics develops measurement technology and AI software. Its EmiCo system drives the decarbonization of the wastewater industry, empowering treatment plants to achieve carbon neutrality.
Variolytics develops measurement technology and AI software. Its EmiCo system drives the decarbonization of the wastewater industry, empowering treatment plants to achieve carbon neutrality.
28
Country: UK | Funding: £1.4M
Salinity Solutions develops a technology to clean up water treatment industries.
Salinity Solutions develops a technology to clean up water treatment industries.
29
Country: USA | Funding: $1.7M
Developer of a sustainable, scalable system for treating and recycling household greywater using plants and natural materials.
Developer of a sustainable, scalable system for treating and recycling household greywater using plants and natural materials.
30
Country: Switzerland | Funding: $1.5M
VunaNexus offers proprietary technology for recycling human and cattle urine to create a safe, effective, and certified fertilizer.
VunaNexus offers proprietary technology for recycling human and cattle urine to create a safe, effective, and certified fertilizer.
31
Country: UK | Funding: £517.4K
Dynamic Flow Technologies design and manufacture the WasteWater Meter which incorporates simple design with advanced technology to create a truly unique product.
Dynamic Flow Technologies design and manufacture the WasteWater Meter which incorporates simple design with advanced technology to create a truly unique product.
32
Country: Canada | Funding: $350K
Livestock Water Recycling is an environmental company focused on livestock manure management.
Livestock Water Recycling is an environmental company focused on livestock manure management.
33
Country: India | Funding: ₹10M
SLII develops Water Purifier that is very affordable, wastes no water, requires no external energy or pumps and works for all water sources emitting zero carbon emissions.
SLII develops Water Purifier that is very affordable, wastes no water, requires no external energy or pumps and works for all water sources emitting zero carbon emissions.
34
Country: USA | Funding: $20K
Gen3Bio has proprietary technology that redirects waste algae from an environmental hazard into profitable environmentally friendly products fully integrated into the circular economy. This is accomplished by using a proprietary efficient low-cost enzymolysis process to extract fats, sugars and proteins to produce specialty chemicals.
Gen3Bio has proprietary technology that redirects waste algae from an environmental hazard into profitable environmentally friendly products fully integrated into the circular economy. This is accomplished by using a proprietary efficient low-cost enzymolysis process to extract fats, sugars and proteins to produce specialty chemicals.
35
Country: UK
Elentec has developed a robust range of water treatment systems and equipment based on its electrocoagulation technology, ElentecEC (patent pending), which will offer water treatment using sustainable energy with reduced waste.
Elentec has developed a robust range of water treatment systems and equipment based on its electrocoagulation technology, ElentecEC (patent pending), which will offer water treatment using sustainable energy with reduced waste.
36
Country: Japan
WOTA is developing small-scale decentralized water recycling systems and autonomous control system for water treatment.
WOTA is developing small-scale decentralized water recycling systems and autonomous control system for water treatment.
37
Country: USA
Pancopia is developing a system to reduce ammonia levels in swine wastewater used as a biogas feedstock to levels that do not adversely affect swine productivity, and eliminates off-site nuisance ammonia odors.
Pancopia is developing a system to reduce ammonia levels in swine wastewater used as a biogas feedstock to levels that do not adversely affect swine productivity, and eliminates off-site nuisance ammonia odors.
38
Country: USA
Florida startup recycles AC water for cannabis growers and homeowners
Florida startup recycles AC water for cannabis growers and homeowners
39
Country: India
SmarterHomes creats IoT water meter, WaterOn, that measures the number of units used by each apartment. It provides real-time information about the apartments' water meters, individual consumption, trends, and billing status.
SmarterHomes creats IoT water meter, WaterOn, that measures the number of units used by each apartment. It provides real-time information about the apartments' water meters, individual consumption, trends, and billing status.
40
Country: Germany
Seraplant offers recycled phosphorus-based fertilizers to promote sustainable agriculture. The startup’s process involves mixing sewage sludge ash to make it reactive to chemical bonding, before spraying, granulating, and fractionating the waste. Moreover, the process does not produce dangerous intermediate products and toxic exhaust gases. The fertilizer also contains significantly lower proportions of uranium and cadmium, making it ideal for agriculture.
Seraplant offers recycled phosphorus-based fertilizers to promote sustainable agriculture. The startup’s process involves mixing sewage sludge ash to make it reactive to chemical bonding, before spraying, granulating, and fractionating the waste. Moreover, the process does not produce dangerous intermediate products and toxic exhaust gases. The fertilizer also contains significantly lower proportions of uranium and cadmium, making it ideal for agriculture.
42
Country: India
Economical wastewater recycling solution for residential facilities. Safely reuse up to 60% fresh water using our patented greywater recycling solution.
Economical wastewater recycling solution for residential facilities. Safely reuse up to 60% fresh water using our patented greywater recycling solution.
43
Country: Croatia
Croteh is engaged in designing, engineering and developing technologies for processing, recovering biodegradable materials and waste.
Croteh is engaged in designing, engineering and developing technologies for processing, recovering biodegradable materials and waste.
44
Country: Switzerland
UNIWASTEC is a technology company that operates in the field of waste-to-energy production, namely Grade 5 green hydrogen directly from wastewater, synthetic gas from municipal or industrial solid waste, and synthetic catalytic fuels from biomass.
UNIWASTEC is a technology company that operates in the field of waste-to-energy production, namely Grade 5 green hydrogen directly from wastewater, synthetic gas from municipal or industrial solid waste, and synthetic catalytic fuels from biomass.
