cedar grove composting is part of a family-owned 250-employee enterprise with roots in the waste management business going back to 1938. as the pacific northwest's leading organic recycling company, cedar grove transforms grass, leaves, yard trimmings, foodwaste and wood waste into the finest nutrient-rich compost. from a humble beginning, cedar grove has developed a full line of healthy soils with a loyal following, such that cedar grove composting has grown to become the largest single dedicated yard waste composting facility in the united states.