Clean Harbors, Inc. operates in the Refuse systems sector. Clean Harbors, Inc. (Clean Harbors) is a provider of environmental, energy and industrial services throughout North America. It operates in four segments: Technical Services, Field Services, Industrial Services and Exploration Services. It serves over 50,000 customers, which includes Fortune 500 companies, smaller private entities and federal, state, provincial and local governmental agencies. It has more than 175 locations, including over 50 waste management facilities, throughout North America in 36 the United States states, seven Canadian provinces, Mexico and Puerto Rico. It also operates international locations in Bulgaria, China, Singapore, Sweden, Thailand and the United Kingdom. On April 30, 2010, it acquired Sturgeon & Son Transportation, Inc., a wholly owned subsidiary of Sturgeon Services International, Inc. In June 2011, the Company acquired Peak Energy Services Ltd. In April 2010, it divested its interest in Pembina Area Landfill and mobile industrial health business. In our complete report available for purchase the company is compared to: Stericycle, Inc., Waste Connections, Inc. and Progressive Waste Solutions Ltd.