Clean Harbors, Inc. operates in North America and provides environmental and industrial services through two segments - Environmental Services and Safety-Kleen Sustainability Solutions. The Environmental Services segment handles hazardous and non-hazardous waste, provides industrial maintenance and specialty industrial services, and utilizes specialty equipment and resources. The Safety-Kleen Sustainability Solutions segment offers specially designed parts washers, automotive and industrial cleaning products, pickup and transportation services, and manufactures lubricants.