I dont remember that ... I was with them in about 2001 and 2002 .... Just the 1900's, a couple of BE200's and Otter .... and of course a butt load of jet equipment throughout the US.
Some of the testbed stuf that I dont know about might be or have been turboprop.
I left Socal almost 3 yrs ago and Metro Jet was operating under Berry Aviation's certificate. Not sure if they are still on that cert or not but I believe they are still around at HHR. They did mostly runs to the ditch but were available for any charter. I'm sure Berry still holds out their Metros out of San Diego as well.