Customer Relationship Metrics has customer satisfaction measurement as its focus. They can develop customer programs designed to accurately capture the satisfaction level of your customers. Check out their site it is a great service for any service minded call center.

Human Technologies Global provides in-depth needs analyses, instructional design, customized world-class customer service skills training, and university certification from Purdue University's Center for Customer Driven Quality for front line as well as facilitators in train-the-trainer formats in call centers.