Contacting corporate to file a complaint

I have waited EIGHT weeks for the fiber optic line to my newly built home to be fixed!  No internet, WiFi or TV.  I have visited the Lafayette, IN Xfinity office many times.  Keep getting the same answer that the repair service is contracted out with NO WAY to find out when my service will be fixed!  I find it hard to believe that a multi-million dollar company is so dysfunctional that it can’t give me an answer.  I have no option except for satellite internet service which I’m seriously considering.  Make sure you have options before you move!!