Seikagaku is a company that manufactures and sells pharmaceuticals and medical devices related to glycoconjugates. It operates within two segments: a Pharmaceutical and a LAL business. The Pharmaceutical segment is engaged in the manufacture of pharmaceuticals and medical devices with glycoconjugates, specifically, glycosaminoglycans (GAG) such as hyaluronic acid as well as enzymes that act on GAG. The LAL segment is dedicated to the manufacture and commercializing of endotoxin-detecting reagents, made from limulus amebocyte lysate, that are used to test for endotoxins in pharmaceuticals and medical devices.