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Founded in 1980, Clean Harbors stands to be North America’s leading provider of environmental, energy, and industrial services. The company serves a diverse customer base, including a majority of the Fortune 500 companies across the chemical, energy, manufacturing, and additional markets, as well as numerous government agencies. These customers rely on Clean Harbors to deliver a broad range of services such as end-to-end hazardous waste management, emergency spill response, industrial cleaning and maintenance, and recycling services. Through its Safety-Kleen subsidiary, Clean Harbors is also North America’s largest re-refiner and recycler of used oil and a leading provider of parts washers and environmental services to commercial, industrial, and automotive customers. Founded and based in Massachusetts, Clean Harbors operates throughout the United States, Canada, Mexico, and Puerto Rico.

Our Vision

To be recognized as the premier provider of environmental, energy, and industrial services.

Our Story

Founded by Alan S. McKim, Clean Harbors began as a four-person tank cleaning business. Today, Clean Harbors is a publicly traded company (NYSE: CLH) that maintains a vast network of service centers and waste management, treatment and disposal facilities, and provides a broad range of services. Mr. McKim continues to lead the company as Chief Executive Officer and Chairman of the Board.

Today, Clean Harbors has more than 400 service locations providing waste transportation and disposal, laboratory chemical packing, 24-hour emergency response, parts cleaning, and field, energy, and industrial services. The Company owns and operates more than 100 waste management facilities offering a wide range of disposal options including incineration, wastewater treatment, and landfill, recycling, and specialty disposal. Clean Harbors is the largest hazardous

The core values that make us great

Diversity and Inclusion

A Commitment to Awareness and Change

Over the past 40 years, Clean Harbors has recognized that a spirit of inclusion attracts the widest possible spectrum of experiences, skills, talents, and perspectives among our employees. With over 15,000 full-time employees across North America, Clean Harbors is proud to exhibit the power of diversity and inclusion every day.

As a company that serves thousands of people in hundreds of communities, we are in a unique position to acknowledge and appreciate the intrinsic value that diversity and inclusion brings. As a result, we actively look for opportunities to encourage individuals, business organizations, and community groups to join us in driving awareness and change.


Sustainability: It’s our business.

With unwavering diligence, Clean Harbors pursues sustainable business practices that continuously improve business performance and increase long-term value for shareholders. These efforts support our commitment to be a trusted environmental service provider and our steadfast focus on meeting today’s growing environmental needs in a safe and responsible way. The Company’s sustainability program centers on six core strategies. Guided by these strategies, we have implemented programs and practices within key areas of our operations, including the Safety-Kleen OilPlus® Program and our comprehensive health and safety initiatives. We also have increased efficiencies through ongoing process improvements in areas such as our asset refurbishment initiative. The results of these and other efforts, as well as a preview of future sustainability initiatives, are presented on the following pages. We are excited to share what we have already accomplished and what we plan to achieve in the future. As we move toward a more sustainable future, we hope our customers, suppliers, investors and other stakeholder communities will join us on this journey

Our Brands

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