In star wars idk order but you have these; The mandalorians ---> a small empire of a few thousand systems The vong----> dominant species of an entire galaxy with tech of organic and seemingly dark magic origin and force sensitive The jedi---> need no explination The sith---> also no exp needed The bounty hunter's guild---> mercs from a crossed the galaxy each with their own tech The Hutt crime syndicate---> conglomerate of smugglers, pirates, slavers, traders, merchants under control of the hutt clan The wookies---> home world kashyyyk, each as powerful as a jedi regarding strength and intelligence, live extremely long lives The mon calamari---> ocean world ppl, build the best starships in the galaxy regarding frigate to cruiser class The trade federation---> largest droid army and resource pool in the galaxy thanks to the aid of the commerce guild and banking clans The nightsisters---> force sensitive witches who can tame and ride rancors amongst other abilities The ancients from the sith culture---> alot of the EU stuff gets mixed up here; vujn an korriban are key worlds to it, the ancient korriban warriors were EACH 10x as fierce as Darth Vader and vader on the battlefield was nigh invincible. Naboo: hub of artisans and amazing and sleek tech Corellia: major starship and weapons producer An there are a TON more but these are some of the KEY factions. Also JUST from mostly the new ERA (not old republic) and the lore around that, tho some is from the old republic like the vong ect...