Below is a list of Glass Etching manufacturers from St. Louis, Missouri. Glass etching is a glass fabrication process in which a piece of glass, or a glass product has a design, pattern or other information marked on it. Glass etching is most often used for decorative purposes, but can also serve to be functional in some applications. All sorts of glass products are etched, including window panes, doors, beverage bottles, cookware and serving dishes, glassware and ornaments.