Scandinavian Tobacco Group lists the following makes in their brand list:

Balkan Sasieni
Borkum Riff
Captain Black
Crown Achievement
Erinmore
Escudo
Five Brothers
Half and Half
Lane Bulk
Orlik
Paladin
Peter Stokkebye Bulk
Sail
Sir Walter Raleigh
Skandinavik
Smoker's Pride
Stanwell
Troost
Velvet
W.Ř. Larsen

I didn't see anything about specific processing plants, yet.