Recology, formerly known as Norcal Waste Systems, is a waste management company headquartered in San Francisco, California. The company collects and processes municipal solid waste, reclaiming reusable materials. The company also operates transfer stations, materials recovery facilities, a number of landfills, and continues to spearhead renewable energy projects. Recology is the largest organics compost facility operator by volume in the United States.
Recology Inc. is the parent to approximately 40 operating companies, including Recology San Francisco, Recology CleanScapes, and Recology Portland.