here is a article i found on swanni website that you can check it talks about how dish is the best at customer service and talks about other companies who are worst at customer service.
http://www.cio.com/article/3000927/retail/18-companies-that-suck-at-customer-service.html
Allen bluegras
illinoix
http://www.cio.com/article/3000927/retail/18-companies-that-suck-at-customer-service.html
Allen bluegras
illinoix