Ole's quite right "Since when don't Bergger make paper???" because they've always out-sourced.
This worked well for them while they were selling their rebranded papers into markets the original manufacturers were little known in. However the growth of the internet and the vacuum left by Kodak's withdrawal from the market left a void and others reacted faster.
Fotoimpex and J&C selling re-branded Forte papers, Freestyle importing Kentmere papers into the US.
Kentmere & Forte are two main brands rebadged by Bergger. have a look at Kentmere's US site - it has nothing to do with the manufacturer, it belongs to the US importer, it does however give a clear indication of Kentmere's direct equivalents and rivals.
Ian