Environmental Services Stocks
7 environmental services stocks ranked by market capitalization. Updated October 8, 2026.
MetaCap tracks 7 US-listed companies in the Environmental Services industry, part of the broader Utilities sector, worth a combined $161.19B. The largest environmental services stocks are Waste Management (WM, $84.0B), Waste Connections (WCN, $38.9B) and Clean Harbors (CLH, $16.8B). The biggest company alone accounts for about 52% of the industry's total market value, and the median member is worth $15.3B. On the latest trading day, 5 of 7 environmental services stocks shown were higher, with an average move of +0.35%; OIO Group (OIO) led with a 6.67% gain.
Summary generated from market data by MetaCap's automated system. Methodology
Largest environmental services stocks by market cap
| # | Symbol | Company | Price | % Change | Volume | Market Cap |
|---|---|---|---|---|---|---|
| 1 | WM | Waste Management Inc. | 210.10 | +0.56% | 2.18M | $83.98B |
| 2 | WCN | Waste Connections Inc. | 154.69 | -0.30% | 1.67M | $38.92B |
| 3 | CLH | Clean Harbors Inc. | 317.34 | +0.57% | 231.72K | $16.75B |
| 4 | GFL | GFL Environmental Inc. Subordinate voting shares no par value | 42.33 | +0.69% | 2.44M | $15.28B |
| 5 | CWST | Casella Waste Systems Inc. Class A | 84.05 | +0.39% | 638.74K | $5.35B |
| 6 | OIO | OIO Group | 1.76 | +6.67% | 103.84K | $612.52M |
| 7 | PESI | Perma-Fix Environmental Services Inc. | 14.16 | -6.10% | 404.56K | $300.45M |
Frequently asked questions
- How many environmental services stocks are there?
- MetaCap tracks 7 US-listed stocks in the Environmental Services industry, with a combined market value of about $161.19B.
- What is the largest environmental services company?
- Waste Management (WM) is the largest environmental services stock by market capitalization, at about $83.98B.
- What sector is the environmental services industry in?
- The Environmental Services industry belongs to the Utilities sector. Sectors are broad groupings of related industries; industries group companies with very similar products or business models.
- How are environmental services stocks doing today?
- As of October 8, 2026, the Environmental Services industry is up 0.37% on a market-cap-weighted basis.
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Prices as of Oct 8, 11:30 PM EDT. Market data is delayed at least 15 minutes and provided for informational purposes only. Not investment advice. Full disclaimer