The International Institute of Synthetic Rubber Producers, Inc. welcomes you to our professional networking poage. The IISRP is an international not-for-profit trade association with more than 50 producer and affiliated members domiciled in 23 countries. The producers represent more than 80% of the global synthetic rubber capacity. Incorporated in 1960 and headquartered in Houston, Texas, the Institute also supports offices in Milan, Tokyo and Beijing.