Business environment has shifted into a costumers-oriented one, changing the way costumers part in creating value towards organizational increase of competitive advantages. More than ever, costumers are considered as knowledge, leading to insights, innovations, and new ideas within a company. Knowledge acquisition, such as costumers knowledge, is proven to be very difficult. this leads us to explore further concerning costumer knowledge its self consists of knowledge acquisition’ costumer knowledge itself consist of knowledge ‘from’, ‘for;, and ‘about’ costumers. This research is aimed to analyze the impacts of the there costumer knowledge types toward knowledge management benefit, which in turn will affect a company’s performance. Business processes, costumers, employees, finance, products, and market are six-aspects used to measure knowledge management benefits. This research had collected questionnaires from 50 respondents consisting of major banks and insurance companies in Indonesia. Then the verified data was analyzed using PLS technique. The results show that knowledge ‘for’ costumers is most favorable towards knowledge management benefits, followed by knowledge ‘from’ costumers,while knowledge ‘about’ costumers is found to give minimum impact towards knowledge management benefits.