CSRs love CSG. CSG Systems International makes life a little easier for customer service representatives (CSRs) with its customer care and billing software and services. Designed for clients handling a high volume of transactions, the company offers outsourced transaction processing and customer service systems that are used to establish customer accounts, process orders, manage and mail monthly statements, perform marketing analysis, and other functions. The company serves primarily North American cable TV, direct broadcast satellite, online services, and telecom companies. CSG's clients include Time Warner and Comcast.