Top California Greentech Companies (178)

For well over a century, Cox Enterprises has been shaping the future with daring ideas and values-driven thinking. Since our founding in 1898, our relentless spirit of innovation has driven us to disrupt industries and enhance the quality of life in the communities we serve. Through our major divisions — Cox Communications, Cox Automotive and Cox Farms — our people have...

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,...

Perk (formerly TravelPerk) is the intelligent platform for travel and spend management. Built to tackle the time-consuming, manual work that gets in the way of real work, our tools automate everything from travel bookings to expenses, invoice processing, and more. By eliminating this shadow work that wastes hours, erodes morale, and saps innovation, we’re on a mission to power real...

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...

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.

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...

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...

At NES, we partner with clients to provide comprehensive, customer-focused Environmental, Health, and Safety (EH&S) consulting and education solutions that ensure regulatory compliance while protecting your employees, the environment, and your bottom line.

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...

Impulse is a climate tech company building state-of-the-art home appliance that deliver premium performance, all while paving the way for a clean energy future. Check out our career opportunities: jobs.ashbyhq.com/impulse

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.

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...

Glacier's mission is to end waste. Sound ambitious? We agree. But the UN estimates that we only have until 2030 to change our consumption patterns before we do irreversible damage to the environment, so we’re of the opinion that now is the time for big bets. We’re starting in the world of recycling, which has a huge opportunity for impact. Americans...

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

You can’t fix what you can’t see. Planet believes in using space to help life on Earth. We design, build, and operate a constellation of earth-imaging satellites that deliver a dataset of geospatial imagery used to help solve the worlds most critical problems. Planet is passionate about building a community of diversity, belonging and inclusion.

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...

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...

Forerunner is a Series B company building the AI-powered intelligence layer for local government — helping large cities and counties finally make sense of the data they already have. Here's the problem we're solving: cities spend millions on permit systems, GIS, and asset management tools, but still can't answer their most important operational questions. Data sits fragmented across systems that don't...

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...

Glydways, Inc. is an American transportation technology and clean energy company based in South San Francisco, CA. The company specializes in the design, manufacture, installation and operation of affordable autonomous transportation for low, medium and extremely high capacity needs. Founded in 2016 by engineer and entrepreneur Mark Seeger, the company was started with the goal of providing affordable mobility for...