The purpose of this research is to find out the difference of success factors of End-User Computing (EUC) which are applicable to our corporations. There have been many researches related to EUC success factors, however, as the researches have been concentrated on limited type of business areas or have been studied without distinguishing the differences of characteristics of business areas, these researches are not sufficient to cover the situation of the corporations, in general. In this research, the range of companies to be investigated was widely extended to such as electric and electronic company, banking, construction company, petroleum and chemistry company, machinery and metal company, and beverage and food company. EUC success factors which influence the factors that are used to evaluate the EUC performance for each business area were found to be different. The result of this research can be useful for a company which is seeking EUC success factors for its own business area.