* SYNGENTA
* KUMIAI CHEMICAL INDUSTRY LTD. (Japan)
* MAKHTESHIM CHEMICAL WORKS LTD. (Israel)
* NIPPON SODA CO.,LTD. (Japan)
* NIHON NOHYAKU CO., LTD. (Japan)
* NUFARM
* FMC AGRICULTURAL PRODUCTS (USA)
* DOW AGROSCIENCES B.V (USA)
* SUMMIT AGRO (Japan)
* SUMITOMO CHEMICAL CORP. ( Japan )