There is an SP also in operation for Qatar Amiri Flight. It recently (as in the last few months) spent a lot of time here in PHX and has come and gone a few times. Seen here at PHX:
Neat looking machine.
Also, I could be mistaken, but I believe that the Sands Group SP is "based" or at least spends a good bit of time in Arizona using Bullhead City as its home field.
Seen here at IFP:
