anyone know of any good companies that make aftermarket off road seats

Look in any 4X4 rag, there are several of them. Now if they will bolt in is another ball game. Best thing to do is call a couple of them and talk to them.
I know Beard Seats has brackets for their seats to bolt into our rigs.

http://redart.com/blazer_mnt.asp
http://redart.com/bodyimages/seats/super_g/super_g.asp

I dont know much about 4WEST but they sell them. 1800 854-west.
Another cool item I found is
http://redart.com/bench_bh.asp

Also look into the vendors section. I just found this at the top
http://www.rockbuggysupply.com/prp_seats.htm

awesome thanks

www.seatsource.com has all the majors - I bought my Flofits from them, great seat and great service.