These are just a few of the prestigious companies that Tecoglas, Zedtec or KTG Engineering have worked with.



As the world’s leading glass container manufacturer, O-I has more than a century of experience crafting pure, sustainable, brand-building glass packaging for many of the world’s best-known food and beverage brands. They provide high quality glass packaging for beer, wine, spirits, food, non-alcoholic beverages, cosmetics and pharmaceuticals. O-I also produce beautiful tableware and stemware for household use.