Following German reunification, ARD expanded its membership to include public broadcasters in the territory of the former German Democratic Republic (GDR).
Brandenburg | Westdeutscher Rundfunk | Margraviate of Brandenburg | Norddeutscher Rundfunk | Province of Brandenburg | Bayerischer Rundfunk | Frederick I, Margrave of Brandenburg-Ansbach | Mitteldeutscher Rundfunk | Brandenburg Gate | Frederick I, Elector of Brandenburg | Waldemar, Margrave of Brandenburg-Stendal | Brandenburg an der Havel | Sophia Jagiellon, Margravine of Brandenburg-Ansbach | Rundfunk Berlin-Brandenburg | Nordwestdeutscher Rundfunk | Frederick William, Elector of Brandenburg | John Sigismund, Elector of Brandenburg | Hessischer Rundfunk | Süddeutscher Rundfunk | Saarländischer Rundfunk | Opelwerk Brandenburg | Karlheinz Brandenburg | Erdmann August of Brandenburg-Bayreuth | Otto III, Margrave of Brandenburg | Mühlberg, Brandenburg | John, Margrave of Brandenburg-Kulmbach | George Frederick Charles, Margrave of Brandenburg-Bayreuth | Eleonore Juliane of Brandenburg-Ansbach | Barbara of Brandenburg | Albrecht III Achilles, Elector of Brandenburg |
Following German reunification, Radio aktuell's frequencies were transferred to the new public-service broadcasting organizations Mitteldeutscher Rundfunk (covering Saxony, Saxony-Anhalt, and Thuringia) and Ostdeutscher Rundfunk Brandenburg, and to the Hamburg-based Norddeutscher Rundfunk which took over as public-service broadcaster in Mecklenburg-Vorpommern.