Organic Resource Management (formerly National Challenge Systems) has an organic approach to the disposal of waste material across Canada. Providing non-hazardous and organic waste disposal services, Organic Resource Management's services include cleaning catch basins, drains, grease-traps, and sewers; food-waste recycling; and raw material and product destruction. Organic Resource Management serves more than 8,000 commercial, industrial, institutional, and residential customers in British Columbia, Ontario, and Quebec. In 2008 it sold the non-core assets of non-hazardous liquid waste subsidiary A&A Anderson Tank Services to McRae's Environmental Services.