Top California Greentech Startups (122)

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,...

By design, Avnos is the world’s best shot to get to gigaton scale of carbon dioxide removal from direct air capture. We are a driven team of scientists, engineers and technical operators working together to solve one of the most fascinating and impactful problems the world has to solve: removing legacy carbon emissions in service of cooling the planet. We know...

Inspire is a clean energy technology company on a mission to transform the way people access clean energy and accelerate the world toward a net-zero carbon future. Through a subscription model, Inspire allows customers to access 100% clean energy for one flat monthly price. Customers enjoy a seamless billing experience while supporting a more sustainable future.

2NDNATURE is a mission-driven SaaS company based in Santa Cruz, California, dedicated to helping municipalities and corporations build water resiliency. We combine peer-reviewed science with a robust geospatial platform to transform how stormwater is managed—moving from a regulatory burden to a vital community resource. Our flagship product, 2NFORM, provides a centralized system of record for dozens of cities nationwide to manage...

We create abundant and cheap gas out of thin air using atomic energy.

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

BlueSky Utility is a leading distributed-generation solar and energy storage developer and independent power producer (IPP). We collaborate with landlords to optimize the value of their asset portfolios and drive down energy expenses through innovative solar and storage solutions.

Reli. is a family-owned business built around strong values and a passion to serve our customers. Our drive stemmed from seeing a need for custom-tailored quality products at wholesale prices & quantities. We wanted to be able to put quality first and still be able to provide honest pricing. With our global and domestic operations, we have the freedom to center each and every decision around our valued...

Enervee is in the business of helping people and the planet. We’re a mission driven company here to help people choose affordable efficient products that reduce energy use, utility bills, and CO2 emissions at scale. Our solutions bring together the best in data science, behavioral science, digital product design, and marketing to make efficiency for all a reality.

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!

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...

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...

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...

ENFOS is an enterprise software environmental management solution for companies faced with liabilities associated with remediation and decommissioning projects. Founded in 2000, ENFOS serves customers in Oil and Gas, Transportation, Manufacturing, Chemicals and Energy/Utilities. Clients include BP, 7-Eleven, The U.S. Defense Logistics Agency, Dow, Ashland, ConocoPhillips, Sunoco, TravelCenters of America, Celanese Corp., Pacific Gas and Electric, and more.

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,...

Electrified Climate-Smart Fertilizer

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...

We are an engineering consulting and design firm specializing in custom electronics and end-to-end electronic systems. We develop cross-disciplined solutions and products to help solve some of the world’s most difficult problems by optimizing solutions beyond the first order. Our team members have industrial experience developing power converters, motor controllers, analog sensor drivers, RF amplifiers, antennas, mixed signal circuits, and embedded...

Technosylva is the leading provider of wildfire and extreme weather risk mitigation solutions for electric utilities and fire agencies. Since 1997, we've operationalized wildfire science to support critical decisions that enhance daily operations and long-term planning. Our mission is to reduce the impact of wildfires and extreme weather through real-time insights and predictive modeling. Our solutions combine the best source data...

At ECT2, we believe in giving the highest care in the customer journey experience. Our goal is to gain a deeper understanding of the desired needs, how we can grow a relationship with the company, and reach the best results to satisfy our customers. ECT2, a Montrose Environmental Group Company, provides water treatment services using cutting edge technology to remove...