Clean Harbors is the leading provider of environmental, energy and industrial services throughout North America. The Company serves over 60,000 customers, including a majority of the Fortune 500 companies, thousands of smaller private entities and numerous federal, state, provincial and local governmental agencies. Clean Harbors Technical Services provide a broad range of hazardous material management and disposal services including the collection, packaging, transportation, recycling, treatment and disposal of hazardous and non-hazardous waste. Clean Harbors Field Services provide a wide variety of environmental cleanup services on customer sites or other locations on a scheduled or emergency response basis. Clean Harbors Industrial Services provide high-pressure and chemical cleaning, catalyst handling, decoking, material processing and industrial lodging services to refineries, chemical plants, pulp and paper mills, and other industrial facilities. Clean Harbors Oil & Gas Field Services provide exploration, surface rentals, solids control, and environmental services to the energy sector serving oil and gas exploration, production, and power generation. Headquartered in Norwell, Massachusetts, Clean Harbors has more than 200 locations, including over 50 waste management facilities, throughout North America in 37 U.S. states, seven Canadian provinces, Mexico and Puerto Rico.SpecialtiesWaste Disposal, Recycling Services, Chemical Packing, Field Services, Energy & Industrial Services, Transformer Services, Apollo Onsite Services, Material & Supplies Sales, Household Hazardous Waste, Emergency Response Headquarters42 Longwater Drive P.O. Box 9149 Norwell, MA 02061-9149 United States Websitehttp://www.cleanharbors.com

For more than 45 years, Safety-Kleen Systems, Inc has been committed to keeping North American businesses green. We produce more than $1 billion in annual revenue as a world-class environmental service organization and market leader. In fact, we are North America’s largest collector and re-refiner of used oil. Per year, we collect 200 million gallons of used oil and re-refine over 146 million gallons. Safety-Kleen also makes a difference daily by helping industries with environmental needs and parts cleaning technology.We have more than 4,200 employees across the United States, Puerto Rico and Canada. Safety-Kleen has enabled numerous companies to fulfill their green initiatives. Our company has more than 300,000 customers, including430 out of the Fortune 500 and many Fortune 1000 corporations.We push beyond recycled thinking, break new ground and create an environment that’s good for business and the Earth. In short, we MAKE GREEN WORK™. If this sounds like a challenge you’re ready for, Safety-Kleen is looking for you. Find out more at safety-kleen.com/careers.

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