I used IDC. Phil did not come out, but sent another guy. I had a zone out, but when I made the appointment, asked them to figure out the problem with the zone, and also readjust the heads, or replace, or whatever needed to be done because I had dead spots not receiving water.
The guy fixed whatever was wrong with the zone (didn't tell me in the note), charged about
$ 150 and did NOT do any adjusting of the water direction and did not make any recommendations as to what could be done to fix the system to cover the dead spots.
Prince has done a better job for me in the past, but I don't know how they are now.