clean harbors is the leading provider of environmental, energy and industrial services and largest hazardous waste disposal company in north america. the company serves a diverse customer base, including a majority of the fortune 500 companies, thousands of smaller private entities and numerous federal, state, provincial and local governmental agencies. the company provides 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. it also provides a wide variety of environmental cleanup services on customer sites or other locations on a scheduled or emergency response basis. the company provides industrial and specialty services, such as 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. it also p