Top Greentech Companies (1,809)

Greensolver is an independent European technical advisor and asset manager serving renewable-energy stakeholders, including lenders, investors, and asset owners. It provides technical advisory, financial consultancy, and integrated technical and financial asset-management services across wind, solar, and battery energy-storage projects. Its work spans the full asset lifecycle, from development and construction through operations and repowering, helping clients improve performance, safety, bankability,...

The Institute for Energy Economics and Financial Analysis (IEEFA) is an international nonprofit think tank focused on energy markets, trends, and policies. Its mission is to accelerate the transition to a diverse, sustainable, and profitable energy economy. The organization produces research and analysis on the financial and economic impacts of energy and the environment, focusing on the transition to cleaner...

OBRC is the industry steward of Oregon's nationally recognized beverage container redemption program, providing services for the recovery, reuse, and recycling of beverage containers. They serve as the not-for-profit operator of Oregon's Bottle Bill, recycling nearly two billion beverage containers annually.

Helicon Technologies is a digital product development and innovation agency specializing in cleantech. It builds software and platforms for more efficient, flexible and sustainable energy and water systems, including virtual power plants, battery optimization and water management solutions. The company combines strategy, design, engineering, data science and AI to create digital products, platforms and SaaS capabilities that advance sustainability and...

Reblade is a Danish technology company developing automated wind-turbine blade repair solutions. Its drone-based robotic systems combine computer vision, sensors, and cloud software to perform leading-edge erosion repairs and streamline operational reporting. Designed for major wind-energy operators, the technology aims to reduce turbine downtime, repair costs, and maintenance bottlenecks while supporting more efficient onshore, offshore, and floating wind operations globally.

Rising Sun Center for Opportunity is a mission-driven workforce-development organization serving the Bay Area and Central California. It builds career pathways for economic equity and climate resilience, preparing youth, women, and people in reentry for family-sustaining careers. Its programs include adult construction training and apprenticeship readiness, youth climate employment, and energy- and water-efficiency services that help households reduce environmental impact...

We develop solutions to enhance agronomic inputs. Founded in April 2016 by Penn State graduates, Phospholutions has commercialized a patented technology developed at Penn State University to increase phosphorus efficiency and enhance commercial agronomic inputs.

Enviri Corporation is a global provider of environmental solutions for industrial and specialty waste streams, and equipment and technology for the rail sector.

Peddler is a sustainable urban delivery company that helps retailers, e-commerce platforms, brands, and local stores reach customers quickly with lower-emission transportation. Its network combines city hubs, electric cargo bikes, light electric vehicles, and dense local routing to reduce reliance on vans for inner-city deliveries. Customers can receive products from local businesses or online shops through same-day delivery and courier...

A game-changing solar energy company delivering the next generation of solar power and the most innovative customer service in the industry. The energy industry is stuck in the past, relying on old ways of generating power and outdated customer service practices. We’re Chariot and we believe it’s time for energy to move forward. We’re delivering 100% solar power that’s as affordable...

Intuitive Machines' complete lunar program unlocks the lunar economy to explore the solar system further and gain knowledge for the progress of humanity. As the premier provider of space services and technologies, Intuitive Machines is reestablishing the United States' dominance on the ultimate high ground, the Moon. Designed by the greatest minds in spaceflight, IM's lunar program will send the...

The Ecology Center is a Berkeley-based nonprofit that transforms sustainability ideals into everyday practice. Founded in 1969, it advances environmental and community health through education, demonstration, replication, and advocacy. Programs include curbside recycling operations, weekly farmers’ markets, youth development and climate work, and policy advocacy to improve urban community wellbeing while serving local residents and policymakers.

Gridworks is a U.S.-based engineering, procurement and construction (EPC) firm specializing in utility-scale solar PV and battery energy storage systems. The company delivers turnkey solar and energy-storage projects, operations & maintenance, and project development services for developers and utilities. Gridworks reports multiple gigawatts of commissioned capacity and several gigawatt-hours of BESS deployed across the United States, focusing on reliable, high-performance...

Flatiron Energy develops, builds, owns, and operates standalone utility-scale energy storage. Our energy storage systems help integrate renewable energy onto the grid, replace fossil fuel plants, and increase grid reliability.

NeuVerge-Tron is a Munich-based digital technology and software company specializing in the energy sector. It helps global technology providers enter the European market by delivering secure, compliant, and market-ready digital solutions. The company focuses on creating trusted renewable energy solutions and developing energy management controllers for utility-scale energy storage power plants, ensuring alignment with European regulatory, security, and trust standards.

Sun King designs, distributes, installs, and finances solar energy solutions for consumers who lack reliable access to traditional electrical grids.

Ecobio is a Nordic sustainability consultancy established in 1989. They provide expert consulting services and the Ecobio Manager SaaS solution to help organizations manage corporate sustainability, including CSRD, EU-taxonomy, and chemical risk management. Their mission is to help companies achieve a balance between their business goals and the well-being of nature through professional sustainable development services.

At Klim, we help farmers and companies regenerate soil and build resilient agricultural systems. ?‍? Farmers use Klim’s digital platform to adopt flexible, profitable regenerative practices, with expert support, incentives, and tools to track progress and improve soil health over time ?‍? We work with today’s leading retailers, CPGs, and processors to strengthen supply chains, reduce emissions, and drive sustainable, profitable outcomes. We...

Moody and Associates, Inc. is a full-service hydrogeologic, environmental, and civil engineering firm with over 130 years of history, specializing in water expertise and problem-solving for clients.

Clean Foundation is an environmental nonprofit that delivers programs helping communities respond to climate change and build healthier, stronger economies. Its work spans electric vehicles and low-carbon transportation, energy efficiency and retrofits, land and shoreline stewardship, municipal climate resilience, green-jobs training, and youth and school education. The organization provides practical resources, learning, and community support to encourage lasting environmental action.