Companies Owned by Clean Harbors: Insight into Its Subsidiaries and Associates

Companies Owned by Clean Harbors: Insight into Its Subsidiaries and Associates

Clean Harbors, a leading environmental solutions provider, operates several incineration facilities for the thermal destruction of hazardous and non-hazardous wastes. The company's extensive portfolio includes the management of multiple hazardous waste landfills, which safely contain and isolate hazardous waste in the environment.

Clean Harbors' market value is influenced by investor confidence and their strategic market maneuvers. In 2018, the company made a significant move by acquiring Safety-Kleen, a provider of environmental services and oil re-refining. This acquisition has solidified Clean Harbors' position as North America’s largest re-refiner and recycler of used oil.

Safety-Kleen Sustainability Solutions (SKSS), a key segment focused on high-quality recycled base and blended oil products and related services, showed signs of stabilization and growth in 2025, with a 9% revenue increase driven by pricing and demand in core offerings.

Clean Harbors has effectively implemented collection strategies for used oil and related automotive fluids, integrating these feedstocks into their oil re-refining operations to produce base oils, lubricants, and recycled fuel oils. The company's management closely tracks pricing, demand, and volumes, recognizing that performance is sensitive to market pricing, economic conditions, and regulations impacting used oil usage.

Recent financial results for Q2 2025 showed stable revenues overall, with Environmental Services growing and Safety-Kleen stabilizing after some prior underperformance. Clean Harbors also improved operational efficiency and margin, indicating strong management focus on profitability and cost control. The company reaffirmed its 2025 guidance with optimistic expectations for continued growth, supported by organic investments and potential further acquisitions.

Clean Harbors serves many industrial clients in the manufacturing sector, offering a suite of environmental services. The company operates across North America, including locations in the United States, Canada, and Puerto Rico. It also has a vast network of service locations across the United States, Canada, Mexico, and Puerto Rico.

Clean Harbors' R&D efforts aim to improve the efficacy of their proprietary product, Performance Plus. The company's commitment to environmental sustainability is evident in its efforts to prevent millions of metric tons of greenhouse gas emissions from entering the atmosphere.

Clean Harbors provides essential services designed to maintain the environment and public safety. The first quarter of 2023 financial results are available on Clean Harbors' financial results announcement page. For those interested in investing, metrics like earnings per share and total stockholder equity contribute to an understanding of the company's worth.

Clean Harbors is a publicly traded company, owned by its stockholders. Despite some volatility and competitive pressures, Clean Harbors remains the dominant player in used oil recycling across North America, with a solid position in the market supported by expanding revenues, improved operational performance, and strategic investments.

[1] Clean Harbors Inc. (CLH) Q2 2025 Earnings Call Transcript. (2025, July 23). Seeking Alpha. Retrieved August 1, 2025, from https://seekingalpha.com/article/4436921-clean-harbors-inc-clh-q2-2025-earnings-call-transcript

[2] Clean Harbors Inc. (CLH) Q2 2025 Results - Earnings Call Transcript. (2025, July 23). Yahoo Finance. Retrieved August 1, 2025, from https://finance.yahoo.com/news/clean-harbors-inc-clh-q2-2025-140000623.html

[3] Clean Harbors Inc. (CLH) Q2 2025 Earnings Release. (2025, July 22). Yahoo Finance. Retrieved August 1, 2025, from https://finance.yahoo.com/news/clean-harbors-inc-clh-q2-2025-180000697.html

[4] Clean Harbors Inc. (CLH) Q2 2025 Results - Earnings Call Transcript. (2025, July 23). MarketWatch. Retrieved August 1, 2025, from https://www.marketwatch.com/story/clean-harbors-inc-clh-q2-2025-earnings-call-transcript-11658624960

[5] Clean Harbors Inc. (CLH) Q2 2025 Results - Earnings Call Transcript. (2025, July 23). The Motley Fool. Retrieved August 1, 2025, from https://www.fool.com/earnings/call-transcripts/2025/07/23/clean-harbors-inc-clh-q2-2025-conference-call-transcript.aspx

1. The growth in Clean Harbors' revenue, particularly in the Safety-Kleen Sustainability Solutions segment, is a testament to the company's strategic moves in the environmental science and business sectors.
2. Clean Harbors' focus on technology, as seen in their Research & Development efforts to improve their proprietary product, Performance Plus, aligns with the broader trend towards environmental-science advancements in the industry.
3. The company's acquisition of Safety-Kleen in 2018, a provider of environmental services, signals a strong move in the direction of diversifying their finance and business portfolio, specifically in the field of science and technology.

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