In 2019 CISA celebrated 120 years since the foundation of a workshop for the manufacture of wooden sieves and screens at the end of the 19th century. During all this time, they have specialized as manufacturers of certified sieves and laboratory analytical sieving equipment, with presence in the five continents. They are specialists in sieving and filtration, design and manufacture of laboratory and industrial process equipment for sieving, separation of solids and liquids.