Clean Harbors, Inc. reported a total revenue of $6.03 billion for the fiscal year ending December 31, 2025, marking a 2.4% increase from $5.89 billion in 2024. The Environmental Services segment contributed $5.19 billion, a 3.8% rise from the previous year, driven by growth in technical services and emergency response operations. In contrast, the Safety-Kleen Sustainability Solutions (SKSS) segment saw a revenue decline of 5.4%, totaling $837.4 million, primarily due to lower market prices for base and blended oil products, despite an increase in used oil collection revenue.
Net income for 2025 was reported at $391.0 million, a decrease of 2.8% from $402.3 million in 2024. The company’s income from operations slightly increased to $673.4 million from $670.2 million in the prior year. Adjusted EBITDA, a key performance metric, rose by 4.7% to $1.17 billion, reflecting strong performance in the Environmental Services segment. The company also reported a net cash flow from operating activities of $866.7 million, an increase of $89.0 million compared to 2024, attributed to improved working capital and lower environmental expenditures.
In terms of strategic developments, Clean Harbors completed the acquisition of HEPACO in March 2024 for $392.2 million, enhancing its field services capabilities. Additionally, the company acquired Noble Oil Services for $68.7 million, expanding its oil collection operations. Looking ahead, Clean Harbors has signed a purchase agreement to acquire certain environmental businesses from Depot Connect International for approximately $130 million, expected to close in the first half of 2026.
Operationally, Clean Harbors served over 350,000 customers, including many Fortune 500 companies, and maintained a workforce of 22,155 full-time employees as of December 31, 2025. The company operates a network of 860 locations across North America, including ten incinerators and seven landfills, with a total practical capacity of 631,721 tons. The utilization rate of its incinerators was reported at 85% for 2025, with expectations for improvement as new facilities ramp up operations.
Looking forward, Clean Harbors anticipates continued growth driven by its strategic acquisitions and expansion of service offerings. The company remains focused on enhancing operational efficiency and managing costs amid inflationary pressures. However, it acknowledges potential risks, including regulatory changes and market volatility, which could impact future performance.
About CLEAN HARBORS INC
Clean Harbors, Inc. is a leading North American provider of environmental and industrial services, specializing in hazardous and non-hazardous waste collection, treatment, disposal, and recycling. Its two main segments include Environmental Services—offering waste management, emergency response, and industrial maintenance—and Safety-Kleen Sustainability Solutions, focusing on used oil collection and re-refining into sustainable lubricants. The company serves diverse industries with a broad asset network, emphasizing safety, regulatory compliance, and sustainable solutions.
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