CLH
CLEAN HARBORS INC
NYSE · Industrials · Waste Management · US
$320.61
+0.17%Price chart
Sep 18Sep 23Sep 28Oct 1Oct 6Oct 9Oct 14Oct 19
Key dataOct 19, 2026
Open$319.10
From 52W high−1.76%
Volume5680.00
Market cap$16.92B
P/E (TTM)38.8x
P/S (TTM)2.7x
Div yield—
Key dataOct 19, 2026
Open
$319.10
From 52W high
−1.76%
Volume
5680.00
Market cap
$16.92B
ValuationView details →
P/E (Fwd)
31.3x
EV/EBITDA
16.0x
P/E (TTM)
38.8x
RSI (14)
50.3
MomentumView details →
1D Return
+0.17%
YTD Return
+35.07%
SummaryUpdated Jun 1, 2026
Clean Harbors, Inc. (NASDAQ:CLH) is a leading North American provider of environmental and industrial services, founded in 1980 and headquartered in Norwell, Massachusetts. The company went public in 1987 and has grown through strategic acquisitions and organic expansion to become one of the largest hazardous waste management companies in North America. Clean Harbors operates through two primary business segments: Environmental Services and Safety-Kleen Sustainability Solutions, serving industrial, commercial, and government customers across the United States and Canada with comprehensive waste management, environmental remediation, and industrial maintenance services.
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Clean Harbors, Inc. issued $600 million aggregate principal amount of 6.250% senior unsecured notes due 2034 under an indenture dated October 1, 2026, with U.S. Bank Trust Company, National Association as trustee.14d agoClean Harbors completed its acquisitions of EnviroServe, a national environmental and waste management services provider, and ES&H, a Gulf region environmental and emergency response services provider.14d agoClean Harbors priced a private offering of $600 million of 6.250% senior notes due 2034, with the sale expected to close on or about October 1, 2026.32d ago