Clean Harbors Inc. logo

Clean Harbors Inc.

CLH | NYSE
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$311.43
-$4.37 (-1.38%)
At close: Sep 21, 2026, 4:00 PM ET
$311.43
$0 (0.00%)
After-hours: Sep 21, 2026, 5:55 PM ET

Company Profile

Clean Harbors, Inc. delivers a comprehensive range of environmental and industrial services across North America. The company is structured into two primary divisions: Environmental Services and Safety-Kleen Sustainability Solutions. The Environmental Services segment manages the entire lifecycle of waste, from collection and transportation to treatment and final disposal of both hazardous and non-hazardous materials. This involves employing various techniques including resource reclamation, physical processing, fuel blending, incineration, secure landfilling, wastewater purification, and the proper handling of laboratory chemicals and explosive materials. Its specialized CleanPack services meticulously manage the collection, identification, categorization, bespoke packaging, transportation, and ultimate disposal of sensitive laboratory chemicals and household hazardous waste. This division further extends to industrial maintenance and specialized on-site industrial operations, leveraging advanced equipment and personnel for fieldwork. The Safety-Kleen Sustainability Solutions segment furnishes specially engineered parts washers and offers a diverse array of automotive and industrial cleaning agents, including antifreeze, windshield washer fluid, degreasers, surface and floor cleaners, hand sanitizers, absorbents, protective mats, and spill containment kits. This division handles the collection and transport of both hazardous and non-hazardous containerized waste, facilitating either recycling or appropriate disposal. It provides vacuum extraction services to eliminate solid debris, residual oily water, sludge, and other liquids from client oil/water separators, sumps, and collection tanks. It also collects waste fluids generated by metal fabrication facilities, automotive service centers, and various general manufacturing operations. Furthermore, this segment is involved in the manufacturing, formulation, packaging, distribution, and marketing of lubricants, additionally offering containerized waste management, vacuum services, the collection of used motor oil, and custom blending and packaging solutions. Established in 1980, the company maintains its headquarters in Norwell, Massachusetts.

Key Executives

Name Position
Eric W. Gerstenberg Co-CEO, Co-President & Director
Michael L. Battles Co-CEO, Co-President & Director
Alan S. McKim Founder, Chief Technology Officer & Executive Chairman
Eric J. Dugas Executive Vice President & Chief Financial Officer
Sharon Gabriel Executive Vice President & Chief Information Officer
Brian Weber President of Safety-Kleen Sustainability Solutions
Carol Larsen Executive Vice President of Sales Management
Greg Malerbi Senior Vice President and Treasurer
James R. Buckley Senior Vice President of Investor Relations & Corporate Communications
Jeroen Diderich President of Environmental Sales & Service
Michael R. McDonald General Counsel
Timothy C. Rodenberger VP, General Counsel & Assistant Secretary

Latest SEC Filings

Date Type Title
Aug 18, 2026 4 Filing
Aug 14, 2026 4/A [Amend] Filing
Aug 14, 2026 4/A [Amend] Filing
Aug 14, 2026 4/A [Amend] Filing
Aug 14, 2026 4/A [Amend] Filing
Aug 14, 2026 4/A [Amend] Filing
Aug 14, 2026 4/A [Amend] Filing
Aug 14, 2026 4/A [Amend] Filing
Aug 12, 2026 8-K Current Report
Aug 12, 2026 4 Filing
View All SEC Filings
Clean Harbors Inc.
Clean Harbors Inc. logo
Country United States
IPO Date Nov 23, 1987
Industry Waste Management
Sector Industrials
Employees 22,155
CEO Eric W. Gerstenberg

Contact Details

42 Longwater Drive Norwell, Massachusetts 02061-9149 United States

Stock Details

Ticker Symbol CLH
Exchange NYSE
Fiscal Year January - December
Reporting Currency USD
CIK Code 0000822818
CUSIP Number 184496107
ISIN Number US1844961078
SIC Code 4955

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