Largest environmental services companies
Every US-listed environmental services company we cover, 13 of them, ranked by market capitalisation, with revenue and earnings taken from their SEC filings.
Combined market cap
$229.810 B
0.2% of all US-listed value
Companies
13
Ranked #62 of 152 industries
Average
$17.678 B
Mean market cap per company
| # | Name | Market cap | Close | Session | Country |
|---|---|---|---|---|---|
| 1 | Waste ManagementWM | $83.1B | $207.88 | +0.10% | United States |
| 2 | Republic ServicesRSG | $65.3B | $213.10 | -0.36% | United States |
| 3 | Waste ConnectionsWCN | $39.7B | $155.41 | -0.01% | Canada |
| 4 | GFL EnvironmentalGFL | $18.8B | $41.90 | -1.04% | Canada |
| 5 | Clean HarborsCLH | $16.5B | $313.15 | +0.10% | United States |
| 6 | Casella Waste SystemsCWST | $5.40B | $84.80 | -1.12% | United States |
| 7 | OIO GroupOIO | $649.1M | $1.87 | -2.36% | Singapore |
| 8 | Perma Fix Environmental ServicesPESI | $335.0M | $15.79 | -4.48% | United States |
| 9 | Quest ResourceQRHC | $29.1M | $1.38 | -1.78% | United States |
| 10 | Sky QuarrySKYQ | $22.4M | $2.54 | -2.31% | United States |
| 11 | AvalonAWX | $10.1M | $2.60 | -0.77% | United States |
| 12 | RenX EnterprisesRENX | $4.79M | $1.81 | +3.43% | United States |
| 13 | VivakorVIVK | $4.35M | $0.53 | -2.78% | United States |
All 13 companies. One row per company, with secondary share classes folded into their primary listing. Updated 24 Sept 2026.
Sectors environmental services companies sit in
This industry spans more than one sector: Nasdaq classifies each company individually.
Other industries
Semiconductors 101Computer Software: Programming Data Processing 77Computer Software: Prepackaged Software 234Computer Manufacturing 10Biotechnology: Pharmaceutical Preparations 500Major Banks 246Industrial Machinery/Components 211Catalog/Specialty Distribution 31Business Services 93Commercial Banks 35Auto Manufacturing 29Integrated oil Companies 18Investment Bankers/Brokers/Service 68Oil & Gas Production 116Real Estate Investment Trusts 177Department/Specialty Retail Stores 14Telecommunications Equipment 82Electronic Components 21Beverages (Production/Distribution) 36Finance: Consumer Services 162Electric Utilities: Central 60Consumer Electronics/Appliances 23Biotechnology: Biological Products (No Diagnostic Substances) 160Natural Gas Distribution 29All industries โ
Figures come from SEC filings and daily market prices. Companies listed only outside the US are not covered: see methodology.