- OBEhttp://www.obe.de/
- OBE has a long history as one of the most prestigious optical components manufacturers. They have automatic machines which were developed in house to produce the components. With their technology, they are able to supply many patented products.
- AUROCHIMhttp://www.aurochim.it/
- AUROCHIM has been working as a sophisticated coloring company which is located in Italy near Alps. Now, they are mainly producing acetate materials using their special printing technology.