The Plexgrove Combine was a financial and banking conglomerate that offered low and mid-level services to the galaxy. They had a reputation for sound investments and for helping business-beings and home owners by going the extra mile. Plexgrove designed the banking and currency systems used by the Corporate Sector Authority and oversaw all financial services not undertaken by the Bank of the Core. Plexgrove was among the original contributing sponsors of the CSA and was subsequently upgraded to voting sponsor.