This study aims to clarify any impacts of leadership and organizational characteristics on market orientation and/or service performance in the small & medium food service industry. The results of analyses were as follows: first, in the said industry, there was partially significant influential relationship between organizational characteristics and market orientation.; second, there was partially significant influential relationship between transformational leadership and market orientation, especially positive (+) influential relationship of individualized consideration to responsiveness, and information acquisition/dissemination.; finally, market orientation and service performance had significant influential relationship with information acquisition/dissemination.