The Ellimist
No ordering within tiers
Dark Empire
Krayt's Sith Empire
Galactic Empire
Legacy-era Galactic Alliance
Galactic Alliance (second galactic civil war)
Vong
PT Republic
CIS
New Republic
Zakuul
Vitiate's Sith Empire
Old Republic (TOR)
Revan's Empire
Ragnos's Sith Empire
Unsure:
Bane-era militaries
Rataka
Dark Empire
Krayt's Sith Empire
Galactic Empire
Legacy-era Galactic Alliance
Galactic Alliance (second galactic civil war)
Vong
PT Republic
CIS
New Republic
Zakuul
Vitiate's Sith Empire
Old Republic (TOR)
Revan's Empire
Ragnos's Sith Empire
Unsure:
Bane-era militaries
Rataka