Sweetener Products Co. Sweetener Products Company has been an innovator and industry leader in sweetener storage and handling since 1923. Located near Los Angeles in the city of Vernon, California, Sweetener Products Company operates a state-of-the-art facility. Call today: (323)234-2200 American Crystal Sugar Company American Crystal Sugar Company is a world-class agricultural coopertive that specializes in sugar and sugar-based products and by-products.