JSP Corp. engages in the manufacture and sale of foamed plastic products and other synthetic products. It operates through the following business segments: Extrusion, Bead, and Others. The Extrusion segment offers Styrene paper (styrofoam sheet), Miraboard (styrofoam board), Miramat (high polyethylene foam sheet), Caplon (polyethylene air bubbles buffer materials), Mirafoam (styrofoam board) and Miraplank (polyethylene foam board). The Bead segment provides PB beads (polyolefin foaming beads) and styrodia (expandable polystyrene beads). The Others segment includes the purchase and sale of general packing materials. The company was founded on January 24, 1962 and is headquartered in Tokyo, Japan.