Largest companies in the environmental solutions sector by market cap
Environmental solutions sector companies comprise organizations dedicated to developing technologies and services for pollution reduction, resource conservation, and sustainable infrastructure. They are primarily traded on major global exchanges including Nasdaq, NYSE, Euronext Paris, and SIX Swiss Exchange, with growing representation across markets. These pioneering firms directly address global climate commitments and resource efficiency demands through innovations in renewable energy, waste transformation, water purification, and emissions control.
Companies in the environmental solutions sector present unique investment profiles:
- Sustainability transition enablers: Providers of essential technologies enabling decarbonization of industries and compliance with tightening environmental regulations worldwide.
- Core solution categories: Renewable energy infrastructure (Orsted, Enphase Energy), waste-to-value systems (Waste Management, Republic Services), water technology (Xylem, Ecolab), and emissions control (Generac).
- Structural growth tailwinds: Expansion propelled by global climate policies, corporate net-zero commitments, and critical resource scarcity concerns.
Industry leader Orsted exemplifies sector transformation – transitioned from Danish Oil & Natural Gas (DONG Energy) to become the world’s largest offshore wind developer with 90% of energy now from renewables. Waste Management demonstrates scaling circular solutions via integrated recycling-filtration systems converting landfill emissions to carbon-negative Renewable Natural Gas (RNG). Their market impact is measurable: Xylem’s water technologies serve 150+ countries across crisis response facilities in communities facing severe water scarcity.
Environmental solutions providers feature recurring revenue resilience through multi-year service agreements where regulatory requirements create stable demand. Ecolab maintains an uninterrupted 37-year streak of annual dividend increases, while Republic Services reported 5.6% year-over-year revenue growth in maintenance contracts. The sector attracts technology diversification: solar micro-inverter producer Enphase expanded its European residential systems by 34% annually since 2020 due to energy transition policies, concurrently converting designed material into net benefit components for increased sustainability. Infrastructure rollouts accelerate with global wastewater recovery segment needing $600 billion investment by 2030.
Regulated brokerThe following table contains a list of the largest global publicly traded environmental solutions companies by market capitalization, not confined to UK listings. These companies are primarily traded on non-UK exchanges including Nasdaq, NYSE, Euronext Paris, and SIX Swiss Exchange. The list includes only publicly traded companies, and the presented data (price, market cap) are regularly updated to reflect the current market situation.
| Stock | Price | Marketcap | Change % |
|---|---|---|---|
| $4.90 | 4.07M | 2.20% | |
| $169.56 | 43.60B | 1.01% | |
 Xylem XYL | $140.41 | 34.19B | 2.05% |
| $43.80 | 15.76B | 1.46% | |
| $105.82 | 6.72B | 0.10% | |
| $11.34 | 2.04B | 0.89% | |
 Energy Recovery ERII | $14.48 | 770.31M | 1.05% |
| $18.81 | 1.52B | 0.97% | |
| $11.85 | 285.47M | 0.25% | |
| $15.33 | 283.88M | 2.54% | |
| $14.36 | 477.89M | 1.92% | |
 Origin Materials ORGN | $0.2051 | 31.83M | 2.55% |
| $4.75 | 617.36M | 8.94% | |
| $2.32 | 48.42M | 9.43% | |
| $5.98 | 75.90M | 1.16% | |
| $2.90 | 23.75M | 1.05% | |
 374Water SCWO | $3.22 | 54.50M | 11.81% |
 Loop Industries LOOP | $1.12 | 54.14M | 2.61% |
 Fuel Tech, Inc. FTEK | $1.45 | 45.06M | 3.57% |
| $0.7198 | 14.60M | 0.01% | |
| $1.77 | 17.01M | 0.97% | |
| $5.43 | 16.19M | 4.62% | |
 N2OFF, Inc. NITO | $1.45 | 3.93M | 0.68% |
| $2.70 | 10.53M | 0.00% | |
| $1.22 | 25.39M | 2.40% | |
| $0.35 | 1.06M | 0.00% | |
Sky Quarry Inc. SKYQ | $0.3995 | 10.18M | 17.50% |
 Aptiv APTV | $78.01 | 16.99B | 1.26% |
| $116.96 | 71.59B | 1.64% | |
| $231.34 | 93.20B | 0.47% | |
First Solar FSLR | $235.05 | 25.22B | 3.26% |
| $392.30 | 87.29B | 0.47% | |
Linde LIN | $453.03 | 212.43B | 0.44% |
Autodesk ADSK | $268.09 | 57.10B | 1.56% |
| $288.76 | 104.61B | 1.22% | |
Eaton ETN | $341.19 | 132.83B | 2.68% |
 Tesla TSLA | $430.90 | 1.43T | 0.99% |
