Abstract: PT. Len Industri (Persero) as a State-Owned Enterprise (BUMN) which is engaged in the electronics and infrastructure equipment industry has a more difficult and complex future challenge to always provide the best to resellers. The sustainability of the company depends on the companys ability to keep its customers so that their customers can be loyal to the company and not move with other companies. So the purpose of this study is to determine the effect of Customer Relationship Management on Customer Satisfaction and Customer Loyalty. Based on the methodology, this study uses quantitative research. The study population was 54 resellers registered at PT. Len Industri (Persero), which consists of 20 E-Catalogs and 34 Non-E-Catalogs