CORVUS COMPANY SIA was established in 1994. Our main customers are production, tank farms and car services. The company’s mission – environmental safety by implementation of advanced technologies in terminals, ports, hubs and industrial enterprises hazardous waste administration. The main direction of our activity is collection of ship ballast and bilge waters polluted with oil products in the port area of Baltic States as well as processing for the second use of oil products and further utilization of oil sludge, tank cleanings and oil-contaminated water. Based on these principles in year 2005 “CORVUS COMPANY” established a daughter company „ZAĻAIS CENTRS” SIA (Green Center) to provide more intensive coordination of hazardous waste management system and wastes harmful for environment.