CLH

Clean Harbors, Inc. (NASDAQ:CLH) is a leading North American provider of environmental and industrial services, founded in 1980 and headquartered in Norwell, Massachusetts. The company went public in 1987 and has grown through strategic acquisitions and organic expansion to become one of the largest hazardous waste management companies in North America. Clean Harbors operates through two primary business segments: Environmental Services and Safety-Kleen Sustainability Solutions, serving industrial, commercial, and government customers across the United States and Canada with comprehensive waste management, environmental remediation, and industrial maintenance services.