Top Washington, DC Greentech Companies (24)

Community Solar: The Easiest Way to Tap into Clean Energy We’re bringing clean energy to homeowners and communities everywhere, and helping them save up to 15% on electricity costs without installing rooftop solar panels.

The U.S. Energy Foundation helps build a strong, clean energy economy. Its mission is to secure a clean and equitable energy future to tackle the climate crisis, envisioning a healthy, safe, and equitable economy powered by clean energy.

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...

CleanChoice Energy is a clean energy supplier whose mission is to make 100% renewable energy available to everyone.

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 –...

Arcadia's clean energy tech platform gives everyone easy access to clean energy. Arcadia members have access to a mobile-optimized online dashboard where they can manage their account, track their account activity, and view their energy usage all in one place. Arcadia's digital transformation of the traditional energy utility gives individuals greater control over what energy they support, how much it...

Ameresco, Inc. (NYSE: AMRC) is an independent, integrated, comprehensive energy efficiency and renewable energy company that is building a sustainable future with public organizations and private enterprise throughout North America and the United Kingdom. Through energy audits, innovative engineering, utility-scale solar farms and deep energy retrofits, Ameresco applies forward-thinking technology to the challenges of controlling emissions, enhancing energy security and...

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.

Arcadia is a climate technology company enabling a zero-carbon economy. By unlocking high-fidelity, global energy data for the first time, the Arc platform combines easy-to-use data and APIs under one roof to allow any company to act on its environmental impact and build the next generation of energy products and climate tech solutions. Arc democratizes access to data from more...

Headquartered in Walnut Creek, Calif., Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations. We are the largest engineering and construction firm solely focused on the U.S. water and environmental sectors. Our creative designs and progressive solutions have helped municipal, federal and private organizations overcome their most complex environmental challenges. We offer...

ACORE is a national nonprofit organization that unites finance, policy, and technology to accelerate the transition to a clean energy economy. It promotes investment in American clean energy infrastructure, development, and innovation.

Each year, millions of logs are wasted—chipped, burned, or landfilled because it’s easier than salvaging them. Cambium builds modern supply chains for the built environment, using technology to simplify sourcing, improve pricing, and deliver sustainable, traceable materials that create better outcomes for projects, people, and the planet. We provide next-generation, high-performance materials, including our flagship Carbon Smart™ Wood, all sourced and manufactured...

RoadRunner Recycling provides tech-powered solutions for commercial waste recycling which helps businesses lower recurring costs.

The Nature Conservancy is a global environmental nonprofit organization dedicated to conserving the lands and waters on which all life depends.

The World Resources Institute is a global research organization that works to improve people's lives, protect nature, and stabilize the climate by conducting research and informing policy.

Since its start in 1920, the National Association of State Foresters (NASF) has served as a leading authority on forest management in the United States. NASF’s members are the primary delivery system for forest management activities nationwide. They conserve, enhance, and protect state and private forests, which encompass nearly two-thirds of the nation’s forests, and are responsible for wildfire protection...

The USGS is a science organization that provides impartial information on the health of our ecosystems and environment, the natural hazards that threaten us, the natural resources we rely on, the impacts of climate and land-use change, and the core science systems that help us provide timely, relevant, and useable information.

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...

The original Green Seal of approval since 1989. We provide science-based environmental certification standards that are credible, transparent, and essential in an increasingly educated and competitive marketplace. Our industry knowledge and standards help manufacturers, purchasers, and end users alike make responsible choices that positively impact business behavior and improve quality of life. We envision a Green Economy--renewable, with minimal impact--that...

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...