Clean Harbors
Get verified emails for Clean Harbors employeesAbout Clean Harbors
Clean Harbors provides environmental and industrial services to customers across North America. Its work covers end-to-end hazardous waste management, emergency spill response, industrial cleaning and maintenance, and recycling services. Through its Safety-Kleen subsidiary, the company also operates as a re-refiner and recycler of used oil. It provides parts washers and related environmental services to commercial, industrial, and automotive customers.
The company serves a broad customer base. That includes a majority of Fortune 500 companies, along with organizations in the chemical and manufacturing sectors and numerous government agencies, and Clean Harbors operates throughout the United States, Canada, Mexico, and Puerto Rico.
Founded in 1980 and based in Norwell, Massachusetts, Clean Harbors employs more than 10,001 people.
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Insights
Updated 3 Sep 2026Clean Harbors sits in a market backdrop shaped by recent sell-side activity, and ownership has already come down: UBS AM trimmed its stake by 9.8% in the second quarter, while Benjamin Edwards Inc. reduced its holdings by 40.3% over the same period. That points to a more cautious stance from some institutional investors, even though the company is still described as a business services provider. The signals are limited.
The supplied sources do not give operating updates, strategy statements, hiring announcements, earnings results, or consumer sentiment for Clean Harbors. So there is no evidence-based way to read a business trend from this set alone. One short point stands out. No trend call is supported.
What the materials do show is mixed investor positioning, not business momentum: two institutions cut exposure, but the sources do not say whether that reflects company-specific fundamentals, sector rotation, or broader portfolio rebalancing. In other words, the evidence is confined to ownership changes, and it does not resolve the reason behind them. Clear, but incomplete.
Frequently asked questions
Clean Harbors is headquartered in Norwell, Massachusetts, United States.
Clean Harbors has 10001+ employees according to its company profile.
Clean Harbors operates in the Environmental Services sector. Public valuation figures are not always disclosed for private companies.