Hi Flytoolow.

There are several manufacturers who make a F-22. Mostly they are made for turbines.

Try to do a search for:
Skymaster http://www.skymasterjet.com/
Christen Diffusion http://christen.diffusion.online.fr
Yellow Aircraft http://www.yellowaircraft.com/jets/index.htm
Century Jets: http://www.centuryjet.com/jet.htm
Wolfgang Mrotzek (Somerwhere in Germany)

I'm sure there are others, but theese are the ones I know of.