Survey Finds Amazon.com, Kohl’s, Costco Leading in Customer Service

Amazon, Kohl's and Costco ranked tops in customer service according to a new research report published by market researcher Temkin Group. Retailers took 15 of the top 20 spots in the 2011 ratings, which based its findings on a survey of 6,000 U.S. consumers who had recent interactions with 143 large U.S. companies in a dozen industries.