The Galactic Empire:
Space:
Super Star Dreadnaughts:
Imperium-class SSD (not the one you're thinking of, i just used the name because it fits.)
Royal Sovereign-class SSD (the peak of Imperial naval technology, not the British ship)
Super heavy capital ships:
Assertor-class
Implacable-class
Allegiance-class
Capital ships:
Imperator-class
Victoria-class
Legio-class
Frigates:
Pisces-class
Vespa-class
Pilum-class
Devastator-class missile frigate
Fighters:
Defender-class
Numerous-class
Hunter-class
Interceptor-class
Bomber:
Blaster-class
Torpedo-class
Irritator-class
Heroes:
The Emperor(different heavy ships depending on tech-level and time.)
Manipulator-Emperor's Prime Minister Agnes starship.
Eradicator-Grand Admiral Bluff's command ship.
Superweapon: The Star Fortress...........
More units to come, so stay tuned!!! I:D