Clean Harbors, Inc., through its subsidiaries, provides environmental, energy, and industrial services in the United States, Puerto Rico, Canada, and internationally. It operates in four segments: Technical Services, Field Services, Industrial Services, and Oil and Gas Field Services. The Technical Services segment offers hazardous material management services, including the packaging, collection, transportation, treatment, and disposal of hazardous and non-hazardous waste at company-owned incineration, landfill, wastewater, and other treatment facilities. The Field Services segment provides various environmental cleanup services on customer sites or other locations on a scheduled or emergency response basis, including tank cleaning, decontamination, remediation, and spill cleanup; used oil and oil products recycling; and filtration and water treatment services. The Industrial Services segment offers industrial and specialty services, such as high-pressure and chemical cleaning, catalyst handling, decoking, material processing, and industrial lodging services to refineries, chemical plants, oil sands facilities, pulp and paper mills, and other industrial facilities. The Oil and Gas Field Services segment provides fluid handling, fluid hauling, production servicing, surface rentals, seismic services, and directional boring services to the energy sector serving oil and gas exploration, production, and power generation. The company has approximately 400 service locations. It serves Fortune 500 companies, midsize and small public and private entities, and governmental entities. Clean Harbors, Inc. was founded in 1980 and is headquartered in Norwell, Massachusetts.