Clean Harbors (NASDAQ:CLHB) disposes of hazardous waste -- meaning, any form of toxic chemical, organic, or nuclear substance. Clean harbors manages 50 waste management facilities throughout North America in 36 US states, seven Canadian provinces, Mexico, and Puerto Rico. The company also has international operations in Bulgaria, China, Singapore, Sweden, Thailand, and the UK. The company earned $1.07 billion in revenue and $36 million in net income in 2009.
Clean Harbor operates in the highly regulated $2 billion hazardous waste services industry with an array of federal, state, and local government permits that must be obtained in order to enter the sector. As a result, there has not been a new, operating incinerator or landfill created in the U.S. for 10 years, which limits the number of competitors in this industry.(Read more at Wikinvest )