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
$230.442 B
0.2% of all US-listed value
Companies
13
Ranked #63 of 152 industries
Average
$17.726 B
Mean market cap per company
| # | Name | Market cap | Close | Session | Country |
|---|---|---|---|---|---|
| 1 | Waste ManagementWM | $83.1B | $207.88 | +0.59% | United States |
| 2 | Republic ServicesRSG | $65.8B | $214.74 | +0.90% | United States |
| 3 | Waste ConnectionsWCN | $39.5B | $154.62 | +0.21% | Canada |
| 4 | GFL EnvironmentalGFL | $19.1B | $42.52 | +0.57% | Canada |
| 5 | Clean HarborsCLH | $16.8B | $318.06 | -1.34% | United States |
| 6 | Casella Waste SystemsCWST | $5.22B | $82.06 | -1.63% | United States |
| 7 | OIO GroupOIO | $626.4M | $1.80 | +4.05% | Singapore |
| 8 | Perma Fix Environmental ServicesPESI | $328.2M | $15.47 | -0.13% | United States |
| 9 | Quest ResourceQRHC | $28.7M | $1.36 | -2.86% | United States |
| 10 | Sky QuarrySKYQ | $22.5M | $2.55 | +0.39% | United States |
| 11 | AvalonAWX | $9.75M | $2.50 | +2.04% | United States |
| 12 | RenX EnterprisesRENX | $5.13M | $1.94 | +2.65% | United States |
| 13 | VivakorVIVK | $2.87M | $4.80 | -0.83% | United States |
All 13 companies. One row per company, with secondary share classes folded into their primary listing. Updated 8 Oct 2026.
Sectors environmental services companies sit in
This industry spans more than one sector: Nasdaq classifies each company individually.
Other industries
Semiconductors 100Computer Software: Programming Data Processing 77Computer Software: Prepackaged Software 234Computer Manufacturing 10Biotechnology: Pharmaceutical Preparations 499Major Banks 246Industrial Machinery/Components 211Catalog/Specialty Distribution 30Business Services 92Commercial Banks 35Auto Manufacturing 29Integrated oil Companies 16Oil & Gas Production 116Investment Bankers/Brokers/Service 68Real Estate Investment Trusts 175Department/Specialty Retail Stores 13Telecommunications Equipment 84Beverages (Production/Distribution) 36Electronic Components 21Electric Utilities: Central 61Finance: Consumer Services 165Consumer Electronics/Appliances 23Biotechnology: Biological Products (No Diagnostic Substances) 160Medical Specialities 44All industries โ
Figures come from SEC filings and daily market prices. Companies listed only outside the US are not covered: see methodology.