 The building was the headquarters for production administration of dyes , pharmaceutical drugs , magnesium , lubricating oil , explosives , and methanol , and for research projects relating to the development of synthetic oil and rubber during World War II . After World War II , the IG Farben Building served as the headquarters for the Supreme Allied Command and from 1949 to 1952 the High Commissioner for Germany ( <unk> ) . It became the principal location for implementing the Marshall Plan , which supported the post @-@ war reconstruction of Europe . The IG Farben Building served as the headquarters for the US Army 's V Corps and the Northern Area Command ( <unk> ) until 1995 . The US Army renamed the building the General Creighton W. Abrams Building in 1975 . 
