- Species 8472
- The Dominion
- Klingons
- Romulans
- Cardassians
- The Q
- The Pah-wraiths
- The Prophets
- The Iconians
- The Tholians
- The Voth
- The Hirogen
- The Elachi
- The Breen
- The Gorn
- The Orions
- The Talosians
- The Medusans
- The Xindi