The purpose ofthis study was to examine and explain the effect of members participation on business self-reliance and members welfare. The study was conducted in a cooperative corporation that operates in the region of East Java Indonesia. The respondents were 156 cooperative enterprise members. Data were analyzed using the GSCA approach (Generalized Structural Component Analysis). The results showed that the Members Participation significant effect on business self-reliance and members welfare and business self-reliance also have a significant effect on the welfare member. Other findings indicate that membership in the cooperative corporation as the owner and customers of the cooperative enterprise. Therefore, companies should pay attention to the needs of cooperative members.