8-K: Clean Harbors Q3 2025 Earnings: Revenue Up, EBITDA Jumps 6%

Clean Harbors reports strong third-quarter 2025 financial results with revenue of $1.55 billion and a 6% increase in Adjusted EBITDA, while revising full-year guidance.

Summary

• Third-quarter 2025 revenues were $1.55 billion, compared with $1.53 billion in the same period of 2024.
• Net income for Q3 2025 was $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 6% to $320.2 million in Q3 2025 from $301.8 million in Q3 2024.
• Consolidated Adjusted EBITDA margin for Q3 2025 was 20.7%, a 100 basis point increase from the prior year period.
• Technical Services revenue grew 12% in Q3 2025, while Safety-Kleen Environmental Services revenue rose 8%.
• Incineration utilization, excluding the new Kimball incinerator, was 92%, and landfill volumes were up 40% on project strength.
• Announced plans to invest $210 million to $220 million in a new Solvent De-Asphalting (SDA) unit to convert re-refining byproduct into high-value 600N base oil, with commercial launch anticipated in 2028.
• The SDA facility is expected to generate annual EBITDA of $30 million to $40 million, with a sixto seven-year payback on investment.
• Revised full-year 2025 Adjusted EBITDA guidance to a range of $1.155 billion to $1.175 billion, representing 4% growth year over year at the midpoint.
• Raised full-year 2025 Adjusted Free Cash Flow guidance to a range of $455 million to $495 million, representing more than a 30% increase from the prior year.

Sentiment

Score: 8

Explanation: Clean Harbors delivered strong Q3 2025 financial results with revenue growth, significant Adjusted EBITDA increase, and margin expansion. The strategic investment in the SDA unit promises future value and aligns with long-term growth. Raised free cash flow guidance is a notable positive. While some segments faced temporary macroeconomic headwinds, management expresses confidence in a rebound and a healthy long-term market outlook, projecting record annual Adjusted EBITDA and adjusted free cash flow for 2025. The overall outlook is positive despite minor adjustments to full-year EBITDA guidance.

Positives

• Consolidated Adjusted EBITDA margin increased by 100 basis points to 20.7% in Q3 2025.
• Technical Services revenue grew 12% despite slowdowns in some key verticals.
• Safety-Kleen Environmental Services revenue rose 8% through a combination of price and steady volume growth.
• The Environmental Services (ES) segment achieved its 14th consecutive quarter of year-over-year improvement in Adjusted EBITDA margin, which increased by 120 basis points to 26.8%.
• High demand for disposal led to 92% incineration utilization (excluding the new Kimball incinerator) and 40% increase in landfill volumes.
• Year-to-date Total Recordable Incident Rate (TRIR) was 0.49, putting the company on track for a record safety year.
• Raised full-year 2025 Adjusted Free Cash Flow guidance by over 30% from the prior year.
• Investment in the SDA unit is expected to generate annual EBITDA of $30 million to $40 million with a sixto seven-year payback.
• Safety-Kleen Sustainability Solutions (SKSS) segment results were consistent with expectations, with dramatically lowered waste oil collection costs and improved product mix.
• Anticipates incentives for reshoring and benefits from the recent U.S. tax bill to drive a meaningful lift in American manufacturing, supporting remediation and waste projects.
• Identified a substantial project pipeline, strengthened by growing PFAS opportunities.

Negatives

• Experienced slowdowns with customers in some key verticals, such as the chemical space, due to general economic conditions and tariff-driven uncertainty.
• Field Services revenue declined from the prior year due to the absence of mediumto large-scale emergency response projects.
• Industrial Services saw chemical and refining customers limit their turnaround spending.
• Increased healthcare costs contributed to lower-than-anticipated results for the Environmental Services segment.
• Weaker base oil pricing impacted the Safety-Kleen Sustainability Solutions (SKSS) segment, though mitigated by cost management.

Risks

• Operational and safety risks inherent in environmental and industrial services.
• Risks related to the failure of new or existing technologies.
• Cybersecurity risks.
• The occurrence of natural disasters or other catastrophic events, and their residual macroeconomic effects.
• Risks associated with retaining and hiring key personnel.
• Environmental liability and product liability risks relating to hazardous waste management.
• Negative economic, industry, or other developments, including market volatility or economic downturns.
• Risks associated with management's assumptions relating to expansion of the company's landfills.
• Reductions in the demand for emergency response services, other remedial projects, and regulatory developments.
• Reductions in the demand for oil products and automotive services, and volatility in oil prices.
• Changes in statutory and regulatory requirements and risks relating to extensive environmental laws and regulations.
• Risks associated with existing and potential litigation.
• Risks associated with the company's identification and execution of strategic acquisitions and divestitures and their related liabilities.
• Risks relating to the availability and sufficiency of insurance coverage, self-insurance, surety bonds, letters of credit, and other forms of financial assurance.
• The impact of new tax legislation or changes in tax regulations and interpretations.
• The imposition of trade sanctions or tariffs.
• Fluctuations in interest rates and foreign currency exchange rates.
• Risks relating to the company's indebtedness and covenants in its debt agreements.
• Risks associated with certain anti-takeover provisions under the Massachusetts Business Corporation Act and the company's By-Laws.

Future Outlook

Management believes that the market challenges faced in the third quarter are temporary and driven by macro-economic conditions. They anticipate continued strong performance from incinerators and project flow through the disposal and recycling network. The economic outlook is promising due to ongoing reshoring initiatives and benefits from the recent U.S. tax bill, which are expected to boost American manufacturing, remediation, and waste projects. Spending constraints in key verticals like chemicals and refining are projected to ease in coming quarters, benefiting Industrial Services and Field Services. The company maintains a substantial project pipeline, enhanced by growing PFAS opportunities. The Safety-Kleen Sustainability Solutions (SKSS) business is expected to achieve its profitability target for 2025. The company projects a strong fourth-quarter performance with 6-8% Adjusted EBITDA growth year-over-year, aiming to deliver record annual Adjusted EBITDA and adjusted free cash flow in 2025.

Management Comments

• "Our third-quarter performance reflected continued growth in our Technical Services and Safety-Kleen Environmental Services revenues." Eric Gerstenberg, Co-Chief Executive Officer.
• "We increased our consolidated Adjusted EBITDA margin by 100 basis points from a year ago by continuing to manage costs, driving operating efficiencies and increasing waste volumes handled through our disposal and recycling network." Eric Gerstenberg, Co-Chief Executive Officer.
• "At quarter end our year-to-date Total Recordable Incident Rate (TRIR) was just 0.49, putting us on track for a record year." Eric Gerstenberg, Co-Chief Executive Officer.
• "By leveraging our network, focusing on labor management and continuing our pricing strategies, our ES segment achieved its 14th consecutive quarter of year-over-year improvement in Adjusted EBITDA margin, which increased by 120 basis points to 26.8%." Eric Gerstenberg, Co-Chief Executive Officer.
• "Our Safety-Kleen Sustainability Solutions (SKSS) segment results in the quarter were consistent with our expectations. We dramatically lowered waste oil collection costs and improved our mix of products sold in the face of weaker base oil pricing." Mike Battles, Co-Chief Executive Officer.
• "By using an industry-proven SDA process, combined with our existing hydrotreating capabilities, we expect to unlock incremental value from an everyday byproduct generated today at our re-refineries." Mike Battles, Co-Chief Executive Officer.
• "We expect this facility to generate annual EBITDA of $30 million to $40 million, a sixto seven-year payback on the investment once completed, which rivals the returns on our incineration projects." Mike Battles, Co-Chief Executive Officer.
• "Looking ahead, we believe that the market challenges we faced in the third quarter are temporary and brought on by macro-economic conditions." Eric Gerstenberg, Co-Chief Executive Officer.
• "We remain on track to deliver a record level of annual Adjusted EBITDA and adjusted free cash flow in 2025 with a healthy long-term market outlook." Mike Battles, Co-Chief Executive Officer.

Industry Context

The environmental and industrial services sector, in which Clean Harbors operates, is currently navigating short-term macroeconomic turbulence, including slowdowns in key verticals like chemicals and refining, and tariff-driven uncertainty. However, the industry is poised for growth driven by broader trends such as reshoring of American manufacturing, which is expected to increase demand for remediation and waste projects, and the benefits of recent U.S. tax legislation. The company's focus on PFAS opportunities aligns with increasing regulatory and public attention on emerging contaminants. The Safety-Kleen Sustainability Solutions segment is adapting to volatile commodity markets, specifically weaker base oil pricing, by optimizing collection costs and product mix, and strategically investing in advanced re-refining technologies like the SDA unit to extract higher value from byproducts.

Comparison to Industry Standards

• The expected returns from the new Solvent De-Asphalting (SDA) facility, with an anticipated annual EBITDA of $30 million to $40 million and a sixto seven-year payback, are stated to rival the returns on the company's existing incineration projects, indicating a strong internal benchmark for capital allocation.

Stakeholder Impact

• Shareholders are likely to benefit from strong financial performance, increased Adjusted EBITDA, raised free cash flow guidance, and strategic investments aimed at long-term value creation.
• Employees benefit from a strong safety record (TRIR of 0.49) and the company's focus on labor management and operational efficiencies.
• Customers in Technical Services and Safety-Kleen Environmental Services continue to drive revenue growth, indicating strong demand for these offerings, while customers in chemical and refining verticals are experiencing spending constraints due to economic conditions.
• Suppliers of waste oil to the Safety-Kleen Sustainability Solutions segment may be impacted by the company's efforts to lower waste oil collection costs and shift towards higher charge-for-oil (CFO) pricing.
• Creditors will likely view the healthy long-term market outlook and strong projected cash flow generation positively, enhancing the company's creditworthiness.

Next Steps

• Continue to manage costs, drive operating efficiencies, and implement pricing strategies.
• Monitor and capitalize on improving economic conditions, particularly in the chemical and refining verticals.
• Advance the strategic shift toward higher charge-for-oil (CFO) pricing for waste oil collection services.
• Proceed with the construction and development of the Solvent De-Asphalting (SDA) processing plant, targeting commercial launch in 2028.
• Conclude 2025 with a strong fourth-quarter performance, including Adjusted EBITDA growth in the six to eight percent range compared with a year ago.
• Deliver a record level of annual Adjusted EBITDA and adjusted free cash flow in 2025.
• Host a conference call for investors on October 29, 2025, at 9:00 a.m. (ET) to discuss results and outlook.

Key Dates

Recommendation

Clean Harbors delivered robust Q3 2025 results, showcasing strong revenue growth, significant Adjusted EBITDA expansion, and improved margins, particularly in its Environmental Services segment. The company's strategic investment in the SDA unit, with attractive projected returns, demonstrates a commitment to long-term value creation and innovation. Despite some temporary macro-economic headwinds in specific verticals, management's confidence in a strong Q4 and raised full-year free cash flow guidance, alongside a projected record annual Adjusted EBITDA, indicates a resilient business model and positive future outlook. The company's ability to manage costs and drive efficiencies in a challenging environment, coupled with growing opportunities like PFAS remediation and reshoring trends, positions it well for continued growth. These factors suggest a strong investment opportunity.

Keywords

Clean Harbors, CLH, Environmental Services, Industrial Services, Waste Management, Hazardous Waste, Recycling, Safety-Kleen, Adjusted EBITDA, Free Cash Flow, Q3 2025, Earnings, PFAS, Re-refining, SDA Unit, Base Oil