Company overview
Clean Harbors, Inc. provides environmental and industrial services in the United States and Canada. It operates through two segments: Environmental Services and Safety-Kleen Sustainability Solutions. The Environmental Services segment collects, transports, treats, 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 performs 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.
Daily valuation snapshot
These values come from the daily market snapshot dated 2026-10-08. TTM means trailing twelve months. Use the market date when comparing CLH with another company.
| Daily close (USD) | $317.34 |
| Market capitalization (USD) | $16,752,725,769.96 |
| Price / earnings (TTM) | 38.16 |
| Price / book | 5.72 |
No matching rows. Clear the filter to see all records.
Read CLH's valuation metrics
Company size
Clean Harbors, Inc's recorded market capitalization is $16,752,725,769.96. It measures the market value of the company's equity, rather than its revenue or cash balance.
Price relative to earnings
CLH's recorded P/E is 38.16: about $38.16 of share price for each $1 of trailing annual earnings per share. Compare that multiple with earnings growth and companies in the same business.
Price relative to book equity
CLH's recorded price-to-book ratio is 5.72. That compares its market equity value with recorded book equity. Examine its business and balance sheet to understand why those values differ.
Research Clean Harbors, Inc with Aurora
Use the snapshot above to ask a specific question about CLH. Ask for the report period and the figures behind the explanation, then compare the answer with the company's business description.
Continue the research
Follow CLH's ownership disclosures to see who filed a transaction or position and when it became public. To turn a research idea into a strategy, define an entry rule and test its dated observations.