Lassila & Tikanoja Oyj, a service company, provides environmental management, and property and plant support services in Finland, Sweden, and internationally. It operates in four segments: Environmental Services, Industrial Services, Facility Services Finland, and Facility Services Sweden. The company offers waste management and recycling; collection and disposal of hazardous waste; and sewer system maintenance and repair services. It also provides circular economy solutions; solutions for industrial material flows and utilization; and industrial process cleaning solutions. In addition, it engages in the selling and maintenance of waste containers. Further, the company offers cleaning and other support services for facilities; environmental construction services, which include the treatment of wastewater and process industrial effluents; and property and technical maintenance services, including energy management. Lassila & Tikanoja Oyj was founded in 1905 and is headquartered in Helsinki, Finland.