Organizations spend significant resources tracking customer satisfaction and managing service delivery. Although a great deal of effort is expended in understanding what goes on within each of these areas, little or no effort has been applied to identifying and quantifiing the relationships between the two. The objective of this research is to discover and establish potential relationships between service data and customer satisfaction. This understanding will enable more effective management, which will lead to improved quality, reduced cost and increased customer satisfaction. This study uses three years of data from an IBM operating system to measure the correlation between 15 service variables and nine customer satisfaction attributes. The results show that: There is a relationship between the service data and customer satisfaction. This is the fast time the existence of such a relationship has been proven and quantified. The relative order of injluence on customer satisfaction, o...