This study was carried out to measure the major effect and moderate effect according to organizational culture types on the internal market orientation to the organizational commitment of the employees, it is composed of formal information generation, informal information generation, formal written information generation, information dissemination, responsiveness as the Internal Market Orientation, and is comprised to customer orientation, innovation orientation, human orientation, and on the job orientation as the Organizational Culture types for the specified variables, and it was analysed to affect as each other.
The result of study as follow: first, internal market orientation has positive effect on organizational commitment except information generation in the five factors. second, there is moderate effect on human orientation and on the job orientation from the internal market orientation which affect to organizational commitment; there is differency of moderate effect from the organizational culture types.
Therefore, this study contribute to examine the practical dimension on the organizational culture types between internal market orientation and organizational commitment and derived practical suggestion being moderated effect on the information generation and reponses factor.