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Clean Harbors, Inc.

Rank #279Hypergrowth

CLH · NYSE · Industrials

Clean Harbors, Inc. (CLH) — Rank #279 by gross profitability (GP/assets 0.25) · ROE 14.1% · Piotroski F-Score 9 / 9.

As-of 2026-09-15 · CIK 0000822818 · all metrics point-in-time as of the filing date.

About

Clean Harbors, Inc. provides environmental and industrial services in the United States and Canada.

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The company operates through two segments: Environmental Services and Safety-Kleen Sustainability Solutions. The Environmental Services segment collects, transports, treats, recycles, and disposes hazardous and non-hazardous waste, such as resource recovery, physical treatment, incineration, landfill disposal, wastewater treatment, lab chemicals disposal, and explosives management services; and offers CleanPack services, including collection, identification, categorization, specialized packaging, transportation, and disposal of laboratory chemicals and household hazardous waste. This segment also provides industrial maintenance and specialty industrial services; and utilizes specialty equipment and resources that perform field services. The Safety-Kleen Sustainability Solutions segment provides containerized waste, parts-washer, and vacuum services for automobile repair shops, car and truck dealers, metal fabricators, machine manufacturers, fleet maintenance shops, and other automotive, industrial, and retail customers; collects and transports for hazardous and non-hazardous containerized waste for recycling or disposal; machine cleaning and maintenance, and disposal and replenishment of clean solvent or aqueous fluids; and vacuum services to remove solids, residual oily water, and sludge and other fluids from customers' oil/water separators, sumps, and collection tanks, as well as removes and collects waste fluids found at large and small industrial locations, including metal fabricators, auto maintenance providers, and general manufacturers. This segment also manufactures, formulates, and packages lubricants and other products. Clean Harbors, Inc.

was incorporated in 1980 and is headquartered in Norwell, Massachusetts.

Industry
Waste Management
Sector
Industrials
State
MA
Filer Category
Large accelerated filer
Fiscal Year End
December 31

Financials

Stable

Direction over 5 fiscal years

  • Free cash flowstable
  • Gross marginstable
  • Gross profitabilitystable
  • Net cashdeteriorating
  • Operating margindeteriorating
  • Return on equityimproving
  • Share count (dilution)improving

Monitoring diagnostic of business direction — not a prediction of returns.

Each fiscal year is read as-of that year’s own 10-K filing, so nothing restated after the fact leaks backwards. Line items this filer never tagged are omitted. Hover or tap a badge for the diagnostic behind it.

USD in millions, except per-share (EPS) and percentage rows. Values are as originally filed; em-dash = not tagged in that year's filing.
Fiscal year end2017-12-31filed 2018-02-282016-12-31filed 2017-02-222015-12-31filed 2016-02-252014-12-31filed 2015-03-02
Income statement
EPS growth (YoY)355.1%-190.8%261.7%
Cash flow

Figures are as originally filed with the SEC (point-in-time), not restated, so they can differ slightly from sites that show later-restated numbers. Why point-in-time?