Mostly notes to myself because I am too lazy to wiki right now!

Algnadesh system - ship 'graveyard'
Charubah system - technology, weaponry
Cheruba system
Divora system - culture
Lovola system
Maires system - fisheries
Modus system
Relephon system - House Al'Gray - mining, refineries
Wodan system - forests
Vergill system - House Thane - technology, droids