JSP Corp. engages in the manufacture and sale of foamed plastic products and other synthetic products. The company is headquartered in Chiyoda-Ku, Tokyo-To and currently employs 3,053 full-time employees. The firm operates business through two business segments. The Extrusion segment is engaged in the manufacture and sale of polystyrene, polyethylene, polypropylene sheets, boards and others, using extrusion foam technology as its core. The Beads segment is engaged in the manufacture and sale of foamed polypropylene, foamed polyethylene, and foamed polystyrene products based on bead foaming technology. The firm also operates businesses related to the sale of general packaging materials.