This class of ship was originally meant to be included in SWBFII but was later cut out due to size issues. However, the Executor -class star dreadnought does still appear in SWBFII as a background image.
Galactic Empire: Executor -class star dreadnought
Galactic Republic: Mandator -class super star destroyer
Separatist Alliance: Subjugator -class dreadnought
Rebel Alliance: MC80 Home One -class Star Cruiser