The current presentation- rooted in a survey carried out inthe Japanese and Western firms with foreign employeesrevealsand discusses some practices of quality system asemphasized across national cultures. It is based onquality practices in Japanese-owned and Western-ownedfirms with Thai affiliations, then compared with thepractices in “parent” countries. Some similarities arerevealed, e.g. the motivations of quality initiative, sometools and techniques employed. However, somedistinctive differences are noticed, particularly theproblems that are countered those firms. Nevertheless,this exploratory study only describes the difference inapproaches among the countries but do not provide theexplanation as to why those differences occur. Thoseissues are pinpointed as the further research to investigatedifferences.