Clean Harbors Inc. (CLH) is a prominent North American provider of environmental, energy, and industrial services rooted in safety, efficiency, and sustainability. Founded in 1980 and headquartered in Norwell, Massachusetts, the company is the guiding force in creating a safer and cleaner environment, making a significant contribution to the ecological balance.
The company's services range from hazardous waste management, emergency spill response, industrial cleaning and maintenance, recycling, re-refining and vehicle maintenance, to energy services that include production and exploration, surface rentals, and lodging services. In terms of hazardous waste management, Clean Harbors is the largest provider in North America, managing approximately 4 billion pounds of waste annually.
One of the key aspects of Clean Harbors is its commitment to upholding the integrity of the environment while ensuring the safe and compliant disposal of waste. It utilizes cutting-edge technologies and specialized processes to handle dangerous and non-hazardous materials, both efficiently and appropriately.
Beyond waste management, Clean Harbors offers a comprehensive suite of environmental and industrial services supporting various industries, such as chemical manufacturing, oil & gas, education, healthcare, government and military, and much more. Its emergency response services are also known for their reliability in dealing with natural disasters and accidents that involve hazardous substances.
In the energy sector, Clean Harbors serves a crucial role in delivering sustainable solutions. Through its Safety-Kleen subsidiary, the company collects used oil from various sources and transforms it into high-quality base and blended lube oils, helping to curb greenhouse gas emissions and lessen the need for virgin oil.
The company endorses responsible operations by investing in safety and compliance. It is recognized for their stringent training programs that ensure their personnel is equipped with the knowledge and skills essential to perform safely and effectively.
Their commitment to environmental stewardiness extends beyond their services. Clean Harbors maintains a robust sustainability program, focusing on reducing its own carbon footprint, conserving water and energy, and minimizing waste. This ethical approach resonates with their goal to preserve and protect the earth for future generations.
Today, with over 13,000 employees and 450 service locations in North America, Clean Harbors Inc. stands as a beacon of environmental responsibility. Its track record and dedication to providing sustainable and essential services make it not just a significant player in the industry, but also an important contributor to securing our planet's future.
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Clean Harbors (NYSE: CLH) reported record financial results for Q3 2026, with revenue up 21% to $1.87 billion and adjusted EBITDA up 42% to $456 million, significantly exceeding guidance. The company announced Eric Gerstenberg will become the sole CEO on January 1, 2027, following Mike Battles' retirement. Key drivers included strong performance in Environmental Services, particularly from emergency response work and PFAS-related projects, and record-high adjusted EBITDA in Safety-Kleen Environmental Services due to tight base oil supply.
Clean Harbors (NYSE:CLH) reported better-than-expected Q3 2026 results, with revenue rising 20.7% year-on-year to $1.87 billion and GAAP EPS of $3.93, surpassing analyst estimates. The company attributed its strong performance to robust demand for environmental services, growth in PFAS-related work, and high market pricing for re-refined products. This led to a record Adjusted EBITDA margin of 24.4% and record adjusted free cash flow.
Clean Harbors, Inc. has released its 2026 Sustainability Report, detailing its efforts in environmental protection, community safeguarding, and corporate governance. The report highlights the company's significant net climate benefit, avoiding over twice the greenhouse gas emissions it generated in 2025. Clean Harbors continues to focus on recycling and treating various waste streams, including a new CleanFuel™ solution and an expanded E-Waste platform, while addressing complex environmental challenges like PFAS management.
Clean Harbors announced in its latest sustainability report that it recycled over 250 million gallons of used oil and solvents in 2025. The environmental services company also treated more than 90 million gallons of wastewater and responded to over 21,000 emergency events. Its efforts in material recovery and emissions avoidance highlight its commitment to environmental performance.