AT&T
Incompetent customer service, inability to activate service, refusal to refund in a timely matter to the original payment method
I recently moved to a new area and required a new ISP, since my old cable company does not offer service in my new area. I was reluctant to go with AT&T in the first place since I had their DSL years ago and it was so terrible, but they were the only option to bundle with the DirectTV I'd ...