Top Seattle, WA Greentech Companies (40)

Since 2005, Optimum Energy’s patented software and engineering expertise has helped customers reduce energy use in heating and cooling systems, the largest consumer of energy in buildings, by up to 50%.

Principle Power is a technology developer focused on the deep-water (greater than 40m) offshore wind energy market.

Clean Harbors is North America's leading provider of environmental and industrial services, offering hazardous and non-hazardous waste management, emergency spill response, industrial cleaning, and recycling services.

Building novel solutions for clean air, water and energy with AI. Let's keep Earth our home forever. From sustainable fuels, to carbon capture, to harmful chemical removal from the environment, Orbital Materials develops and commercialises technologies that keep earth our home forever. At the core of our company is a foundation model for atoms, built by world experts in generative...

HaloSource is a clean water technology company providing innovative solutions to the growing issue of water stress.

Oscilla Power, Inc. (OPI) is developing a suite of proprietary, high-impact renewable energy and energy harvesting solutions based on low cost, readily available magnetic materials.

At Booster we’re driven to transform how energy gets delivered. Booster is replacing the legacy gas station experience with a fuel delivery platform that enables fleets across the country to decrease both emissions and costs. By leveraging machine learning, IoT, and cloud technology, we empower our customers to visualize, streamline, and most importantly decarbonize fuel delivery. Two of our three...

Grow Plastics has a technology to create expanded bioplastics products. Our inline expansion process creates a sandwich core structure in plastics - our products resemble airplane parts at the microscopic level. The sandwich core structure lets us make products competitive to solid plastics using half the materials.

e-Stewards (www.e-Stewards.org) is an initiative to foster greater responsibility for electronic waste management. It was created by the Basel Action Network (www.ban.org). At its core, is the e-Stewards Standard for Responsible Recycling and Reuse of Electronic Equipment which is the world's highest standard of achievement for electronics recycler

Buildings are a leading contributor to the climate crisis, generating nearly 40% of total global energy-related carbon emissions. We’re making a lasting impact on our industry and within our communities by addressing the climate, affordability and equity crises through: * renewables and energy services * engineering and design * construction and facility services  

Defenders of Wildlife is dedicated to the protection of all native animals and plants in their natural communities. For more than six decades, Defenders of Wildlife has been a leading force in the protection of wildlife and wild lands. We employ innovative, science-based approaches to protect imperiled wildlife, advocate for wildlife friendly climate and renewable energy policies and conserve and...

Commercial Cleaning Service That Shines There’s more to janitorial services than a mop hitting the floor. Environmental concerns and new technologies have taken commercial cleaning service to a new level. ABM Janitorial Services combines today’s technology with more than 100 years of innovative experience. That means we can offer you a full range of solutions based on your individual needs –...

EnerG2 engineers advanced nano-structured materials for energy storage breakthroughs. We believe that efficient, reliable and cost-effective clean energy storage will be an essential element of the new energy economy.

Zipcar is the world’s leading car-sharing network, found in urban areas and university campuses in more than 500 cities and towns. Our team is smart, creative and fun, and we’re driven by a mission – to enable simple and responsible urban living. Being a Zipcar member gives you easy access to a car nearby without all the cost and hassle...

Pure Blue is a nonprofit organization that collects, multiplies and shares resources to support the development and commercialization of water technology innovation.

Membrion is a Seattle-based start-up company commercializing a new membrane technology developed at the University of Washington. High performance membranes are critical and expensive components of many technologies including water purification technologies and batteries.

Reklaim, Inc. is a breakthrough technology company dedicated to transforming the way we manage scrap tires. The company is poised to launch a new sector of the Green Economy—one that promotes essential and substantive environmental and public health benefits and also delivers attractive economic returns to investors.

The asteroid mining company. Founded in 2009 by Eric Anderson and Peter H. Diamandis, M.D., Planetary Resources, Inc. is establishing a new paradigm for resource utilization that will bring the solar system within humanity’s economic sphere of influence by enabling low-cost robotic exploration and commercial development of asteroids.

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...

HDR is an employee-owned design firm specializing in engineering, architecture, environmental and construction services. We’re ranked No. 6 among the world’s design firms and we’re the largest healthcare design firm. Led by the strength of our values and a culture shaped by employee ownership, we network with each other, build on each other’s contributions, and collaborate together to make great...