As far as I know all of the cargo is gone from TXK. I used to hang out around there quite a bit. May Air shut down (and I wouldn't have flown for them anyway if I were you) quite a number of years ago, they had Beech 18s, a DC-3, and some Lodestars. The caravan that used to fly there from MArtinaire ( I think) is gone as well. Just scheduled airline service and quite a number of corporate operators there now.
Nick