Since 1972, MM Products has been a leading manufacturer of Cultured Marble, Cultured Onyx and Cultured Granite in the Golden Horseshoe area. We offer an extensive product line which includes 3/8” wall panels, ¾” panels for tub decks and steps, 16 standards size shower bases, custom slab-style shower bases, recessed and surface mount bathroom accessories, bathtubs and vanity tops.