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Top Greentech Companies (1,283)

BSI Online
Greentech
Alsip
18 Employees

 BSI has partnered with communities, municipalities and businesses to develop comprehensive backflow prevention programs with the aim of protecting our precious water resources. We develop innovative solutions to problems that challenge communities of all sizes, across the country.Whether performing boots-on-the-ground cross-connection inspections, or developing the first, online backflow tracking system – BSI Online – we continue to be pioneers in...

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BSI Online
BioBlend Renewable Resources, LLC
Elk Grove Village
10 Employees

BioBlend offers a full spectrum of lubricants, greases and industrial products that enable a seamless transition to biobased products. Our experts can guide customers down the path from petroleum-based to more sustainable products that enhance their environmental and safety objectives without sacrificing performance or value.

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BioBlend Renewable Resources, LLC
Solstice
Greentech • Social Impact • Energy • Solar • Renewable Energy
Cambridge
73 Employees

The age of solar has arrived. With prices falling by 80% in less than a decade, solar power is now within reach of every American household. Here’s the problem: 90 million American households are currently locked out of the solar marketplace. Maybe it’s because they rent their homes. Or other solar companies are not willing to sell to them. Or simply because...

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Solstice
SaveSolar
Greentech
Washington
12 Employees

Community Solar Developer

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SaveSolar
Recology
Greentech
San Francisco
1,277 Employees
22 Benefits
Recology sees a world without waste.

At Recology, you’ll join a team of passionate, creative, and dedicated individuals who are leaders in sustainability. As the only 100% employee-owned company in the waste and recycling industry, our employee stock ownership plan (ESOP) ensures that our company remains in the hands of our employee-owners, not external stakeholders. This means that every team member has a stake in our...

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Recology

Recology's Top Stability & Growth Strengths

Strong Market Position & Advantage: Industry analyses and trade coverage frequently cite Recology as a major private U.S. waste player, and it is widely regarded as a leader in organics composting and zero‑waste‑oriented collection. It is described as the largest organics compost facility operator by volume in the United States and a key driver of West Coast zero‑waste programs.

Innovation-Driven Growth: The company is an early mover in recycling and composting‑centric models and continues to deploy advanced technologies such as AI-enabled sorting and alternative-fuel fleets. Pilots like a hydrogen fuel cell‑powered refuse truck and facility upgrades indicate ongoing investment to raise recovery and efficiency.

Future-Ready Strategy: Explicit 2028 targets for renewable electricity and renewable or alternative fuels, along with landfill‑gas energy projects, signal long‑term planning aligned to policy and emissions goals. Fleet transition plans and expansions in organics capacity support readiness for sustained demand in diversion programs.

Blue Sphere
Greentech • Energy
Charlotte
2 Employees

Blue Sphere Corporation is an energy company.

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Blue Sphere
CWPM, LLC
Greentech • Transportation • Utilities • Industrial
Plainville
270 Employees

CWPM, LLC is a waste management company providing refuse removal, recycling, dumpster rentals, and transfer station operations to residential, commercial, and municipal customers in Connecticut and Rhode Island.

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CWPM, LLC
EnSiteUSA
Greentech • Energy
Houston
300 Employees

EnSiteUSA is an oil & energy company that provides energy management services.

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EnSiteUSA
Harsco Corporation
8 Offices
3,341 Employees
11 Benefits

Harsco Corporation (NYSE: HSC) solves the most complex environmental challenges worldwide, from properly disposing of medical waste to repurposing slag. Through thoughtful partnerships with customers around the globe, our recycling and repurposing services keep millions of tons of material out of landfills and incinerators. Our Clean Earth division is one of the largest providers of environmental and regulated waste management...

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Harsco Corporation
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Cleantek Industries Inc.
3 Offices
35 Employees

Cleantek Industries is an innovative provider of patented, clean technology solutions focused on reducing both the cost and carbon intensity in the wastewater management and lighting sectors.

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Cleantek Industries Inc.
Solar Grid Storage
Greentech • Energy
Philadelphia
120 Employees

To integrate storage into solar installations while lowering costs.

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Solar Grid Storage
Ecocademy
Consumer Web • Greentech
Chicago

Simply learn everything about being sustainable and conscious of your environment all in your living room.Today's world was not like our ancestors and we haven't accounted todays environmental issues and being sustainable as much we used to be. There's been a huge trade of skills that hasn't been passing on that many would like to learn but may not have...

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Ecocademy
Undersea Recovery
Greentech • Transportation
Atlanta

UnderSea Recovery Co is a private Georgia corporation, to pursue deep-water archaeologically guided exploration & recovery of shipwrecks.

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Undersea Recovery
Cosasco
Greentech
Spring
112 Employees
Corrosion and Erosion Monitoring and Chemical Management Systems

We exist to be the most complete and precise solution to measure and monitor corrosion. Not only do we improve the safety of people and the environment, we protect assets and enhance the bottom line of our customers.

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Cosasco

Cosasco's Top Stability & Growth Strengths

Strong Market Position & Advantage: Evidence indicates Cosasco is widely recognized as a market leader in corrosion monitoring, with decades of exclusive focus and a large global installed base. This entrenched positioning provides clear competitive advantage in intrusive, access-under-pressure systems.

Innovation-Driven Growth: A strong innovation pipeline (e.g., Microcor, Echo Point, SafeGuard Service Valve) is emphasized as enabling faster, more confident corrosion management decisions. Ongoing wireless and digital enhancements signal continued investment in new products and solutions.

Strategic Partnerships: The strategic collaboration with Penspen to integrate real-time monitoring into a digital integrity platform demonstrates partnership-led expansion. Such alliances can extend reach and strengthen solution adoption across asset integrity programs.

Astra
Aerospace • Greentech • Machine Learning • Social Impact • Energy
Alameda
404 Employees
27 Benefits
We’re on a mission to improve life on Earth from space.

Astra’s mission is to Improve Life on Earth from Space® by creating a healthier and more connected planet. Astra’s first flight to space was within 4 years of its inception, making it the fastest company to reach space.

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Astra

Astra's Top Stability & Growth Strengths

Product Line Growth: The spacecraft electric-propulsion line is showing tangible output scaling, with reported shipments of 110 satellite engine systems since January 1, 2025. The propulsion business also cites flight heritage and named customers, supporting the view that this product line is gaining traction even while launch is paused.

Profitability: The business reports approximately $45 million in 2025 revenue alongside breakeven EBITDA, indicating improved operating stability versus prior periods. This suggests the company has moved closer to a self-sustaining footing, at least in the metrics it has disclosed.

Strategic Partnerships: Government-related selections and contracts (e.g., U.S. Space Force mission selection and a DIU contract ceiling referenced for Rocket 4 development) indicate continued external demand signals and program alignment. These relationships can provide validation and potential non-dilutive support as the launch system matures.

Green Commuter
Greentech • Transportation
Los Angeles

Green Commuter is the only all-electric vanpool provider in California and the first company to combine vanpooling, car sharing and fleet replacement.

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Green Commuter
Garden Crossings
Greentech • Retail • Software
Zeeland
7 Employees

Garden Crossings in Zeeland, MI, is an online garden center for gardening enthusiasts who are looking to buy the highest quality and newly developed plants online. In 2006, we opened our first Retail Garden Center in Zeeland, MI, for our loyal customers and local gardeners. As a Certified-Proven Winners® Garden Center, we offer an assortment of perennial plants, annuals, flowering shrubs,...

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Garden Crossings
spotLESS Materials
Greentech • Nanotechnology • Chemical • Manufacturing
State College
6 Employees

spotLESS Materials develops bio-inspired, PFAS-free ultra-repellent surface coatings that make surfaces self-cleaning and resistant to fouling. Their liquid-infused nano-brush technology is used in consumer products (toilet and sink coatings) and industrial applications (medical, sanitation, automotive), aiming to reduce cleaning, water use, and contamination while offering environmentally sustainable alternatives to traditional coatings.

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spotLESS Materials
Connectgen
Greentech • Energy • Renewable Energy
Houston
52 Employees

CONNECTING POWER, PROJECTS & PEOPLE ConnectGEN is developing renewable energy and energy storage projects across North America. As our existing infrastructure ages, it is vital to tap into our country's endless resources and develop projects that will provide long-term, cost effective, clean energy solutions.

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Connectgen
Swell Energy
Greentech • Sales • Energy
Los Angeles

Swell - Energy meets the sharing economy, with homeowners taking control of their energy through a home battery. Through our online marketplace, we make it easy for homeowners to discover and select the right home battery products and services. Then, we make it rewarding by enabling our customers to make money by sharing extra energy to the grid.

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Swell Energy

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