Top Greentech Companies (1,803)

HIES is a leading consumer protection organization and a Chartered Trading Standards Institute (CTSI) approved Consumer Code. It focuses on the installation of renewable energy and home energy efficiency products, ensuring homeowners are respected, protected, and educated throughout their home improvement journey. The organization provides a vital framework for consumer protection and peace of mind for those embarking on home...

The Louisiana Bucket Brigade is a nonprofit environmental health and justice organization that uses grassroots action to hold the petrochemical industry and government accountable for pollution. Based in New Orleans, the organization provides technical support, air monitoring, and media training to fenceline communities to create informed, sustainable neighborhoods and hasten the transition from fossil fuels.

Lilac Solutions develops commercially ready direct lithium extraction technology for brine resources. Its proprietary ion-exchange materials, equipment configurations, and process engineering help lithium producers recover lithium faster, more affordably, and with lower environmental impact than conventional evaporation-based methods. The company designs scalable solutions for diverse brines, supporting expanded lithium supply for global electrification while reducing freshwater use and land disturbance.

Smappee is an award-winning global cleantech company that aims to save its customers energy and money by reducing energy consumption and improving energy efficiency.

Enva is a leading provider of recycling and resource recovery solutions operating across the United Kingdom and Ireland. The company specializes in managing hazardous and non-hazardous waste, transforming complex materials into valuable, sustainable products for reuse in manufacturing and energy conversion. With a commitment to sustainability and the circular economy, Enva provides a comprehensive portfolio of industrial, water, and wastewater...

Founded in 1994 and built on a strong geoscience and data management footprint, LMKR has evolved into a premier technology company expanding its reach to Clean Energy, Transportation, Agri-Tech and Digital Media. LMKR is a private business with global operations serving fortune 500 companies, SMEs and government regulatory organizations in over 80 countries. The company offers a diverse portfolio of products...

Zap Energy is an integrated nuclear energy company focused on commercializing both fission and fusion power. The company is developing compact-scale, liquid-metal-cooled modular energy systems and advanced fusion power systems that operate without magnets. Its mission is to provide a sustainable, clean, and carbon-free energy source to address the global energy crisis across industrial, commercial, and residential markets.

Onterris is a global environmental solutions and services company that helps organizations address challenges where environmental pressures, regulatory expectations, and operational risks intersect. Its work includes consulting, testing and analysis, and treatment technologies. The company serves asset- and resource-intensive industries, operating across the United States, Canada, and Australia with a mission focused on environmental stewardship and protecting the integrity of...

Aquaria taps into the humidity in the air as a new and renewable source of water. Our mission is to safeguard access to water against droughts and other effects of climate change. Aquaria's atmospheric water generators (AWGs) act as a backup or alternative watery supply that can be installed on-site in hours. Aquaria puts control back to the consumers, crucial for...

CECO Environmental is a global leader in air quality and fluid handling serving the energy, industrial and other niche markets. Providing innovative technology and application expertise, CECO helps companies grow their business with safe, clean and more efficient solutions that help protect our shared environment. In regions around the world, CECO works to improve air quality, optimize the energy value...

The World Resources Institute is a global research organization that works to improve people's lives, protect nature, and stabilize the climate by conducting research and informing policy.

Naturally occurring minerals - alongside forests, soils, and the ocean - are one of our planet's most vital carbon sinks. Over geological timescales, carbon dioxide in the air and water chemically bind to these minerals and permanently turn to stone. Our technology enhances this natural process, called carbon mineralization, to help minerals absorb CO2 from the ambient air in days, rather...

The Desert Botanical Garden is a renowned botanical garden in Phoenix, Arizona, showcasing a diverse collection of desert plants from around the world. It is dedicated to the exhibition, research, and conservation of desert plants, with an emphasis on the Sonoran Desert.

Molg is building robotic systems that make electronics manufacturing circular, aiming to solve the growing e-waste problem. They use robotics, computational design, and AI to automate the design, manufacturing, disassembly, repair, reuse, and recovery of electronics, turning e-waste into resilient supply chains.

Nexus Disposal is a family-owned Houston waste-hauling company serving commercial customers and construction projects across the Houston area and surrounding communities. Founded in 2002, it provides roll-off and front-load dumpster services, portable restrooms, municipal solid-waste collection, and construction-debris removal. The company also supports recycling and event cleanup, emphasizing simple, reliable, timely dumpster delivery and pickup for businesses, municipalities, and large...

HydroNeo provides smart farm management systems and IoT-enabled solutions for aquaculture, focusing on water quality monitoring and automation to increase efficiency and sustainability in shrimp farming and other industries.

Polestar is an electric performance car brand that designs and sells battery-electric vehicles focused on uncompromised design, technology and sustainable mobility. Headquartered in Gothenburg with global operations, Polestar develops premium EVs and emphasizes innovation, performance and environmental responsibility while collaborating with Volvo/Geely manufacturing partners.

FieldKit is an open-source software and hardware platform (environmental sensors, app, and FieldKit.org website) that allows individuals and organizations to collect and share field-based research data and tell stories through interactive visualizations. Designed to be easy to deploy customizable, FieldKit can be adapted to meet the needs of diverse research teams, from biology and ecology to marine and environmental sciences,...

The Federation of American Scientists (FAS) is an organization committed to using science and technology to benefit humanity. Acting as entrepreneurial change agents, they forge a better future through the nexus of science, technology, and talent. FAS drives impactful change by focusing on research and policy, particularly in areas like climate technology and innovation, to serve as a force for...

Monoworld Limited is a leading UK-based recycler specializing in integrated solutions for commercial and domestic plastic, paper, cardboard, and metal waste. The company employs sophisticated recycling technology to recover sorted materials and reprocess them into raw materials for the manufacturing supply chain, aiming to minimize landfill waste and promote environmental sustainability.