Top California Greentech Startups (130)

Revivn is a fully integrated hardware lifecycle solution, promoting global responsibility while providing IT with enterprise-class service and security. Working with companies like Instacart, Lyft & Teach for America we are changing the way companies view old technology with a new model that focuses on repurposing electronics. In partnering with Revivn, companies make the vital choice to responsibly retire, repurpose,...

SINAI Technologies Inc. is mitigating climate change by enabling more intelligent emission measurement, scenario analysis and decarbonization strategy tools for organizations. We are the world’s leading Decarbonization-as-a-Service platform to measure, analyze, reduce and price emissions, using science-based methodologies. #decarbonize #carbonpricing

ChargerHelp! pioneers the future of EV charging with our innovative Reliability as a Service (RaaS) solution. Addressing core challenges in EVSE Operation & Maintenance (O&M), our data-driven approach maximizes charger uptime. Partnering with industry leaders and emphasizing community empowerment, we're committed to elevating EVSE infrastructure reliability. Let's redefine the future of EV charging together. ?⚡

Eden is the full-stack solution for office management. Our mission is to create a better place to work, for everyone. Our services include office cleaning, supply stocking, IT support, handyman services, and taskers. Each Eden client has a dedicated account lead to ensure an insanely great experience. Eden is venture-backed from some of the best in

Range Energy focuses on the electrification of commercial transportation, operating within the clean energy and transportation sectors. The company offers electric trailers and solutions that aim to reduce diesel consumption and emissions in heavy trucking while also extending the range of zero-emission vehicles. Its products are primarily targeted towards the commercial transportation industry. It was founded in 2021 and is...

Rhoic makes on-demand, on-site chemicals with a new class of programmable reactors using electric fields. These reactors produce critical industrial chemicals from abundant feedstocks like air and water without fossil fuel inputs or hazardous transport. Rhoic's near-term beachhead is the oxidizer supply chain for bipropellant spacecraft, specifically NTO, MON-3, and MON-25, which today flow from a single domestic source that...

Aurora is creating a future of solar for all. We’re putting the power of data and technology into the hands of every solar professional to make solar adoption simple and predictable. Our cloud-based platform uses data, automation, and AI to streamline workflows and grow solar businesses faster. As a fast-growing Series D company, we’re disrupting the clean energy industry and...

Span is a startup focused on remodeling electric circuits for older homes, providing a digital alternative to traditional fuse boxes to help families better manage the flow of power to their appliances.

ACTuate is a clean energy tech company delivering energy efficiency and resource optimization solutions to small-to-midsize buildings with repeatable footprints across the country. Through deployment of our innovative hardware and software solutions, we help our customers reduce their carbon footprint and manage their business resources in a more effective and efficient manner. We are a small and growing company looking...

Mango Materials'​ technology uses waste biogas (methane) to produce poly-hydroxyalkanoate (PHA) powder, a valuable biopolymer that is converted into a variety of eco-friendly, plastic products such as cosmetic packaging and a polyester replacement for textiles. Due to a rising preference for green products, demand for biodegradable and non petroleum-based plastics is growing rapidly. Our climate positive technology transforms greenhouse gas...

Renewable Properties specializes in developing and investing in small-scale utility and commercial solar energy projects throughout the United States. Led by experienced renewable energy professionals with development and investment experience, we work closely with communities, developers, landowners, utilities and financial institutions looking to invest in large solar energy systems. The Renewable Properties’ team has deep connections throughout the commercial solar energy...

We believe that applying science is the only way to solve the climate crisis. Scientific expertise is critical to both effective and efficient carbon management – yet it can be hard to access outside of the academic and public sectors. New research and technologies emerge every day in our nascent industry and it can be difficult to know what actions to...

WRA, Inc. is an employee-owned environmental consultancy firm composed of planners, engineers, and scientists. They specialize in navigating complex projects involving wildlands, parks, community spaces, and infrastructure. Their mission is to cultivate a sustainable future where people and the environment thrive, aiming to leave lands better than they found them through responsible project management and long-standing community relationships.

Buildings globally use 14% of all potable water, but very few buildings reuse that water. Epic Cleantec is on a mission to change that. Epic Cleantec (“Epic”) is a full-service water technology company that deploys onsite water treatment and reuse systems into individual buildings or groups of buildings, converting building wastewater (greywater, blackwater, stormwater, rainwater) into highly purified treated water for...

Watershed is the enterprise climate platform. Leading companies like Walmart, Stripe, Spotify, Klarna, and Twitter use Watershed's software to measure, reduce, and report their carbon emissions. With its state-of-the-art carbon data engine, in-house climate experts, and marketplace of high-quality decarbonization initiatives, Watershed provides audit-grade emissions data to power business value creation, regulatory compliance, and global climate impact. Watershed’s advisors and...

Over millions of years, silicate rock weathering has regulated Earth’s climate. By crushing silicate rocks and spreading them on agricultural soils - an approach called Enhanced Rock Weathering (ERW) - we can accelerate Earth’s natural process into a solution capable of addressing the urgency of climate change. Existing agricultural and silicate rock sites - namely 5,000+ global silicate rock quarries surrounded...

Verdani Partners is a full service sustainability consulting firm specialized in corporate sustainability, LEED certification and greening and retrofitting existing buildings. We focus on “Making what is here better” by greening large portfolios of existing buildings with profitable solutions and promoting continuous improvement of existing building operations. We offer corporate sustainability strategies, portfolio wide energy optimization strategies, LEED Gap Analysis,...

At Valar Atomics, we're redefining what's possible in energy. Our mission is to make clean, high-temperature nuclear power scalable—unlocking abundant energy for industry, hydrogen, and next-generation manufacturing. We are a team of builders, engineers, and operators who believe nuclear energy should be fast to deploy, factory-made, and built for the real world. Our first pilot plant in Orangeville, Utah will...

Silicon Valley Clean Energy (SVCE) is a community-owned agency providing carbon-free electricity to a majority of Santa Clara County communities, motivated by climate action.

We are a green environmental testing and consulting firm, dedicated to providing the highest level of customer service available in the industry. Contact our office at (858) 433-3290 or email us at [email protected] to schedule testing!