UNIDO has its Headquarters in Vienna and Offices in Brussels, Geneva and New York that maintain on-the-spot contacts with Member States and the other United Nations organizations based there. Still, with the progressive decentralization of decision-making processes at the national level, including those related to the UN Reform and the ONE UN pilots, the presence of UNIDO in the field is becoming increasingly crucial.
La ONUDI tiene su sede en Viena y oficinas en Bruselas, Ginebra y Nueva York que mantienen en el terreno los contactos con los Estados Miembros y las demás organizaciones de las Naciones Unidas con sede en éstos.