Top Washington Greentech Startups (35)

LevelTen Energy provides opportunities for smaller companies to invest in cleaner energy by offering renewable energy in amounts and prices proportionate to each company's needs.

USAgain is a for-profit textile recycling company that collects reusable clothes, shoes, and household textiles to divert them from landfills. Through partnerships with schools, businesses, and municipalities, they operate a wide network of collection bins and 'TreeMachines' to extend the life cycle of clothing. Their mission is to be a global leader in secondhand clothing, creating sustainable value for people...

We're on a mission - starting with 100% reusable rockets.

Earth is the national leader in soil transformation: it’s a gentle, natural process that transforms a body into soil that families can scatter, plant, or share. Our mission is to give families the easiest way to make arrangements, and to heal our planet in the process.

Botanical Designs is an innovative commercial landscaping company that designs, installs, and maintains interior and exterior commercial landscaping, living green walls, preserved moss art, indoor plant programs, artificial greenery, and seasonal holiday décor.

Port Townsend Paper Company produces sustainable Kraft pulp, Kraft Paper, containerboard, and specialty products by blending virgin and recycled fibers.

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...

Herrera Environmental Consultants is an employee-owned science, engineering, planning, and design consulting firm. It develops holistic, sustainable, and nature-based infrastructure solutions that address environmental and infrastructure challenges. The company serves cities, counties, state and federal agencies, Tribes, nonprofits, and private clients across the western United States and western Canada, combining interdisciplinary expertise to create scientifically rigorous, cost-effective outcomes that benefit...

Mast Reforestation is a climate tech company with a mission to make reforestation scalable. As bigger, hotter, and more frequent fires increasingly destroy forested land each year, Mast facilitates faster, more resilient forest regeneration. Mast provides vertically integrated reforestation services to get forest restoration projects up and running in weeks, not years. Services include seed collection, seedling cultivation, site preparation,...

Clean Power Research® is advancing the energy transformation through cloud software that informs, streamlines and values energy-related decisions and processes for utilities, energy professionals and consumers. We’re focused on expanding our market reach and impact with new software technologies that help solve the energy industry’s problems. Recognized by BuiltIn Seattle as "Top 100 Best Places to Work in Seattle” and...

The International Living Future Institute is an environmental NGO committed to catalyzing the transformation toward communities that are socially just, culturally rich, and ecologically restorative.

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.

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.

Girard Resources & Recycling, LLC is a Washington-based supplier of recycled construction and landscaping materials. The company processes broken concrete, asphalt and soils into crushed rock, topsoil, mulch and related products, operates multiple supply yards (Covington, Snohomish, Lacey) and a delivery fleet, and focuses on converting construction waste into usable materials for residential and commercial projects across the Puget Sound...

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

Elevāt is an Industrial IoT company focused on connecting the industrial world. Elevāt specializes in connecting fleets of machines, and enabling the flow of data between operators, distributors, OEMs. Elevāt enables your business ecosystem to compete more effectively in the rapidly evolving global market. Elevāt continues to build out a high-value portfolio of turnkey Industrial IoT solutions; including Edge, Core,...

Ag Energy Solutions converts various agricultural waste into synthetic gas and high-value natural carbon material.

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.

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

StormSensor tracks the effects of climate change to reduce the vulnerability of our communities’ sewage infrastructure. Wetter weather and increased frequency of large storms means cities are more vulnerable to flooding, sewage overflows, and water pollution. With StormSensor, it’s finally possible to adaptively plan for and manage urban flooding, greatly mitigating hazardous risks and reducing costly cleanups and property damage....