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Clean Harbors, Inc. (CLH) is a commercial services company in the multiple toxic waste services industry, based in Norwell, United States, with about 22,155 full-time employees.
It reported revenue of $6.03 billion for fiscal year 2025, up 2.4% from fiscal year 2024, and net income of $390.97 million. In Q2 2026 (the quarter ended June 30, 2026) revenue was $1.74 billion, up 11.9% from a year before. Its largest business segment, Environmental Services, brought in 86% of segment revenue in fiscal year 2025; United States was the largest region with 91%. Its market capitalization was $16.73 billion as of October 9, 2026.
Figures from company filings and market data; latest fiscal year ended December 31, 2025; market data as of October 9, 2026.
Clean Harbors, Inc. provides environmental and industrial services in the United States and Canada. The company operates through two segments: Environmental Services and Safety-Kleen Sustainability Solutions.
Clean Harbors reported $6.03 billion in revenue for fiscal year 2025, up 2.4% from $5.89 billion in fiscal year 2024. In Q2 2026 revenue was $1.74 billion.
Environmental Services, with $5.19 billion or 86% of segment revenue in fiscal year 2025. Next: Safety-Kleen Sustainability Solutions (14%) and Corporate (under 1%).
United States: 91% of revenue by region in fiscal year 2025, followed by Canada (9%).
$16.73 billion as of October 9, 2026.
Listed companies of a similar size in the same industry (multiple toxic waste services) include Quest Resource Holding Corporation (QRHC).