Freestyle Photographic Supplies posted on their Facebook page a Fujifilm marketing bulletin announcing the discontinuation of Neopan 400 B&W and Provia 400X slide films. The Neopan 100 is the only remaining Fujifilm B&W film. For slide film your options are: Fujifilm Provia 100F, Velvia 100 and Velvia 50.
You can stock up on the soon to be discontinued Fujifilm film at those online retailers: