Lassila and Tikanoja Oyj is a Finland-based company engaged in environmental management and property and plant support services. It has business operations in Finland, Sweden, Latvia and the Russian Federation. Its operations are divided into four business segments. Environmental Services comprises collection of waste materials, its processing into secondary raw materials or recovered fuel, and waste disposal activities. It also maintains wastewater systems and offers process cleaning services. Cleaning and Office Support Services segment offers cleaning services as well as office support services. Property Maintenance offers property maintenance, maintenance of technical systems and damage repair services. Renewable Energy Sources segment specializes in comprehensive fuel solutions based on wood-based biofuels as well as supply of raw material and forestry services. It is also engaged in building automation business, property management and services for retail refrigeration systems.