Clean Harbors Inc. (CLHB) is the largest hazardous waste management in North America. The company provides services that include transportation and disposal, industrial cleaning and maintenance, chemical packaging and emergency response to more than 45,000 customers in 36 U.S. states, six Canadian provinces, Mexico and Puerto Rico. The United States alone generates 750,000 tons of garbage everyday, and the average cost for one ton of trash is $35-40. Their customers include more than 325 of the Fortune 500 companies.

CLHB offers a wide variety of services to its customers which include: Waste Disposal, Recycling Services, Chemical Packing, Field Services, Industrial Services, Transformer Services, Apollo Onsite Services (Recommend ways to better manage waste), Material & Supplies Sales, Household Hazardous Waste, Emergency Response. The company stores copper, steel, aluminum, and a dozen other scrap metals and plastics in huge mounds and sells them when there are spikes in commodity prices. Also, the company is planning on drilling into its trash piles to harvest methane gas and use it for generating electrical power (some used by themselves and the rest is sold to local power companies).