Its just you I beleive, I've never had any issues contacting them.
You will need to email a copy of the wiring diagram so that he can guarentee fitment.
Zeeltronics will work as well as the person programming them, they will come completely blank and you need to tell it what to do.
3D Ignition curve
3D PV curve
Solenoid control points
you need to tell it what to do.