CLS Holdings USA, Inc., a diversified cannabis company, focuses on the extraction and conversion of cannabinoids in the United States. It extracts cannabinoids from the cannabis plants and converts into concentrates, that includes oils, waxes, edibles, and shatters; and provides toll processing services. The company also sells organic medical cannabis to licensed retailers; recreational marijuana cannabis products to licensed distributors and retailers; extraction products, such as oils and waxes derived from in-house cannabis production; and offers processing and extraction services for licensed medical cannabis cultivators, as well as cannabis strains in the form of vegetative cuttings to licensed medical cannabis cultivators. It offers its products under Oasis Cannabis and City Trees brand names. The company's concentrates are used for pharmaceutical and other purposes. CLS Holdings USA, Inc. was founded in 2014 and is based in Las Vegas, Nevada.