: The Internet is growing very rapidly throughout the world, especially in Indonesia. TELKOM is one of the internet service provider in Indonesia. Telkom launched its Internet product named Speedy. Therefore, TELKOM very concerned about customer satisfaction. The way to maintain customer satisfaction Telkom Speedy is to measuring the level of customer satisfaction of speedy. Method of measuring the level of customer satisfaction is the Important Performance Analysis and Path Analysis. By using

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... ath analysis will be able to see the relationship between variables. The results of Path Analysis will be seen how much influence directly or indirectly between variables. After that it will continue to Important Performance Analysis to determine about indicator that need to be improved as expected service and perceived service. Using the Service Quality model, this study aimed to examine the impacts of service reliability, service assurance, performance, responsiveness, extended service, customer empathy, appearance and reputation aspects on customer satisfaction. A total population of this study is subscriber of Speedy Bandung in year 2013 for this research 145,207 customers and out of that author took a sample of 100 respondents. The method used in this research are explanatory method and quantitative method as the basic foundation for doing research. In this research, the author aims to identify the relationship between X/cause variable (eight selected factors influencing Customer's Satisfaction with service quality) and Y/effect variable (Customer Satisfaction). Sample convenience is the way to use the sampling technique with 100 respondents separated to customers of Telkom Speedy Bandung who are the subscribers of it. Extended Service is the highest of classification assessment and categorized as good which is got 81.5% perceived by customers. Speedy should focus on maintaining service reliability, service assurance, performance, responsiveness, extended service, appearance, and reputation.