The Economic Cooperation Organization is supported by its specialized agencies, regional institutions, and affiliated bodies. These entities, possessing legal autonomy and independent management, focus on fostering regional cooperation in various sectors such as economic development, culture, science, technology, education, and finance. Below are the key subsidiary bodies of the ECO:
ECO Chamber of Commerce and Industry
ECO Regional Coordination Centre for Food Security
ECO Supreme Audit Institutions
ECO Consultancy & Engineering Company
ECO Regional Center for Risk Management of Natural Disasters