BASF(Usa)
DAIKEN CHEMICAL CO.,LTD.
DU PONT CO.,LTD.
FUKUVI CHEMICAL INDUSTRY CO.,LTD.
GUANGZHOU PINSONG INSTRUMENT CO.,LTD(China)
JAPAN VILENE COMPANY,LTD.
KOKUDO-KOUSAN CO.,LTD.
MARTIN SEIBOLD(Germany)
METEK CO.,LTD
NISHIKAWA RUBBER CO.,LTD
NITTOBO MATERIALS CO.,LTD.
PERUSAHAAN CHEW HUR SDN.BHD.(Malaysia)
SAKAI-COMPOSITE CO.,LTD
SHIN-ETSU ASTECH CO.,LTD.
SPACE NATURAL ENZYME CORPORATION
TAKAI SEISAKUSYO CO.,LTD
TERAOKA SEISAKUSHO CO.,LTD.
TOYO ALUMINIUM K.K.
UNITIKA LTD.
YAMAHA MOTOR CO.,LTD.
YOKOI MANUFACTURING LTD.