List of Publicly Traded Waste Management Companies
Comprehensive 2026 directory of the largest waste collection, disposal, and environmental service stocks. Track the defensive giants leading the shift toward circularity and AI-driven efficiency.
The List of Publicly Traded Waste Management Companies represents a resilient, defensive sector essential to modern infrastructure. Dominant players like Waste Management (WM) Profile and Republic Services (RSG) Profile control vast landfill networks and collection routes, creating significant competitive moats. Beyond residential trash, specialized Environmental Services Companies handle complex hazardous and industrial waste streams. In 2026, the industry is increasingly defined by the adoption of AI-enabled sorting and IoT sensors to optimize operational margins. For a broader view of market categorization, explore our directory of Companies by Sector/Industry.
Key Takeaways
The top three firms—WM, RSG, and WCN—control nearly 80% of the sector's total market cap, benefiting from immense scale and pricing power.
Waste services are recession-resistant with consistent cash flows, making them attractive for dividend-focused portfolios during economic volatility.
In 2026, companies are scaling "smart bins" and automated sorting technologies to lower labor costs and improve recycling yields.
Large-cap leaders continue to acquire regional players like GFL and Casella to expand landfill capacity. Compare metrics with our Waste Management Comparison Widget (EPS/P/E/Beta).
Top List of Publicly Traded Waste Management Companies by Market Cap (2026)
The following table captures the primary market leaders in North American waste and environmental services as of early Q2 2026.
| Rank | Ticker | Company | Subsector | Market Cap | YTD % | P/E Ratio | Revenue |
|---|---|---|---|---|---|---|---|
| 1 | WM | Waste Management | Solid Waste | $89.0B | +18.58% | 33.8x | $24.8B |
| 2 | RSG | Republic Services | Solid Waste | $71.0B | +11.05% | 31.2x | $16.5B |
| 3 | WCN | Waste Connections | Solid Waste | $46.0B | +15.27% | 30.5x | $9.3B |
| 4 | GFL | GFL Environmental | Integrated | $15.0B | +8.42% | -- | $5.9B |
| 5 | CLH | Clean Harbors | Hazardous | $14.0B | +12.10% | 24.5x | $6.0B |
| 6 | CWST | Casella Waste Systems | Solid Waste | $6.5B | +5.80% | -- | $1.4B |
| 7 | NVRI | Enviri Corp | Industrial | $1.47B | -- | -- | $2.1B |
| 8 | MEG | Montrose Environmental | Environmental | $0.75B | -- | -- | -- |
| 9 | PESI | Perma-Fix Env. | Hazardous | $0.25B | -- | -- | -- |
| 10 | QRHC | Quest Resource | Mgmt Services | $0.04B | -- | -- | -- |
List of Publicly Traded Waste Management Companies — Complete Company List
List of Publicly Traded Waste Management Companies Listed on Major U.S. Exchanges
IPOs in 2016
- Advanced Disposal Services, Inc. (ADSW) (IPO October 6, 2016: solid waste management company)
Waste Management: Large-Cap Stocks
- Republic Services, Inc. (RSG) (Solid waste, recycling)
- Waste Management, Inc. (WM) (Solid waste, recycling)
- Waste Connections, Inc. (WCN) (Solid waste, recycling)
Waste Management: Mid-Cap Stocks
- Clean Harbors, Inc. (CLH) (Hazardous and non-hazardous material management services, used oil recycling, industrial services, oil & gas services)
- Covanta Holding Corporation (CVA) (Waste management, waste-to-energy, metal recycling)
- Stericycle, Inc. (SRCL) (Medical waste services)
Waste Management: Small-Cap Stocks
- Advanced Disposal Services, Inc. (ADSW) (IPO October 6, 2016: solid waste management company)
- Casella Waste Systems, Inc. (CWST) (Solid waste, recycling)
- Heritage-Crystal Clean, Inc. (HCCI) (Industrial and hazardous waste services)
- US Ecology, Inc. (ECOL) (Treatment, disposal and recycling of hazardous, radioactive and non-hazardous waste)
Waste Management: Micro-Cap Stocks
- Avalon Holdings Corporation (AWX) (Hazardous and nonhazardous waste disposal; golf courses)
- Meridian Waste Solutions, Inc. (MRDN) (Non-hazardous solid waste collection)
- Perma-Fix Environmental Services, Inc. (PESI) (Nuclear waste management)
- Sharps Compliance Corp (SMED) (Medical waste services)
Risks & Considerations
Regulatory & Compliance Burdens
Companies face strict EPA regulations and new Extended Producer Responsibility (EPR) laws, which can increase operational costs for landfill management and recycling mandates.
High Capital Intensity
The business requires constant investment in heavy fleet maintenance, landfill liners, and automated sorting tech, which can pressure free cash flow during interest rate hikes.
Commodity Price Volatility
While trash collection is stable, the recycling side of the business is highly sensitive to the spot prices of paper, plastic, and metals, impacting auxiliary revenue streams.
Landfill Capacity Limits
New landfill permits are increasingly difficult and expensive to obtain. Firms without existing "permitted" space face significant long-term growth constraints.