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Clean Harbors Inc (CLH)
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Clean Harbors Reports Strong Q3 2025 Results Amid Economic Challenges

Last updated: October 29, 2025
Taurigo

Clean Harbors, Inc. (NYSE: CLH), the premier provider of environmental and industrial services in North America, has announced its financial results for the third quarter ending September 30, 2025. The company reported promising growth despite facing headwinds from macroeconomic conditions.

1. Financial Highlights

In a press release on October 29, 2025, Clean Harbors shared its key financial metrics for the quarter:

  • Total Revenues: $1.55 billion, a slight increase from $1.53 billion in Q3 2024.
  • Income from Operations: $193.0 million, compared to $192.3 million in the same period last year.
  • Net Income: $118.8 million or $2.21 per diluted share, up from $115.2 million or $2.12 per diluted share in Q3 2024.
  • Adjusted EBITDA: Increased by 6% to $320.2 million from $301.8 million year-over-year.

Co-Chief Executive Officer Eric Gerstenberg highlighted the company's ability to enhance its Adjusted EBITDA margin by 100 basis points, emphasizing effective cost management and operational efficiencies.

2. Segment Performance

Environmental Services (ES)

Gerstenberg noted that the Environmental Services segment achieved its 14th consecutive quarter of year-over-year improvement in Adjusted EBITDA margin, which rose by 120 basis points to 26.8%. The segment reported a 3% growth in revenue, primarily driven by a 12% increase in Technical Services. Despite experiencing slowdowns in sectors such as chemicals due to economic uncertainties and tariffs, growth was sustained through increased remediation and waste project work.

  • Safety-Kleen Environmental Services: Revenue grew by 8%, driven by steady volume and pricing growth, with incineration utilization reaching 92%, excluding the new Kimball incinerator. Landfill volumes were up 40%, bolstered by strong project activity.
  • Field Services: Revenue declined due to fewer medium- to large-scale emergency response projects. Challenges persisted in the Industrial Services sector, primarily from reduced turnaround spending by chemical and refining clients.

Safety-Kleen Sustainability Solutions (SKSS)

Mike Battles, Co-CEO, stated that the SKSS segment performed consistently with expectations, despite lower base oil pricing. The company successfully reduced waste oil collection costs and improved its product mix. In total, Clean Harbors collected 64 million gallons of waste oil, maintaining full production in its plants. The strategic transition toward higher charge-for-oil pricing aims to counteract the fluctuations in base oil market conditions.

3. Strategic Investment: Solvent De-Asphalting Unit

In a forward-looking move, Clean Harbors announced plans to invest between $210 million to $220 million into a state-of-the-art processing plant utilizing innovative solvent de-asphalting (SDA) technology. This facility aims to convert re-refining byproducts into a high-value 600N base oil, projected to generate annual EBITDA of $30 million to $40 million with a payback period of six to seven years.

4. Business Outlook and Financial Guidance

Looking ahead, Gerstenberg expressed confidence that current market challenges are temporary and attributed to broader economic conditions. He noted that the growth in Technical Services and Safety-Kleen Environmental Services demonstrates the resilience of Clean Harbors' business model. The company anticipates a robust fourth quarter with projected Adjusted EBITDA growth of 6% to 8% year-over-year.

For the full-year 2025, Clean Harbors revised its guidance:

  • Adjusted EBITDA: Expected in the range of $1.155 billion to $1.175 billion, representing a 4% year-over-year growth.
  • Adjusted Free Cash Flow: Projected between $455 million and $495 million, indicating an increase of over 30% from the previous year.

5. Conclusion

Clean Harbors continues to showcase strong performance amid challenging economic conditions, reflecting its ability to adapt and thrive. With strategic investments and a focus on operational efficiency, the company is well-positioned to capitalize on future growth opportunities, especially as economic conditions are expected to improve. As the company moves toward the end of 2025, shareholders and stakeholders alike remain optimistic about its path forward.

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