- University of Cádiz, Inter-university institute of Criminology of Andalusia DEQARINST5945 Instituto Andaluz Interuniversitario de Criminología. Sección Cádiz Jerez (Spain)
- University of Cádiz, International Doctoral School in Sea Studies DEQARINST5990 Escuela Internacional de Doctorado en Estudios del Mar (EIDEMAR) Cádiz (Spain)
- University of Cádiz, School of Ship building and Oceanography DEQARINST5958 Escuela de Ingeniería Naval y Oceánica Puerto Real (Spain)
- University of Cádiz, University College of Marine. Nautical and Radioelectronic DEQARINST5989 Escuela de Ingenierías Marina. Náutica y Radioelectrónica Puerto Real (Spain)
- University of Central Lancashire DEQARINST2626 UK0023 Preston (United Kingdom (England))
- University of Central Lancashire - Cyprus (University of Central Lancashire) DEQARINST0244 CY0042 Larnaca (Cyprus)
- University of Chemical Technology and Metallurgy DEQARINST0164 BG0030 Химикотехнологичен и металургичен университет Sofia (Bulgaria)
- University of Chemistry and Technology, Prague DEQARINST0265 CZ0021 Vysoká škola chemicko-technologická v Praze Prague (Czech Republic)
- University of Chester DEQARINST2628 UK0025 Chester (United Kingdom (England))
- University of Coimbra DEQARINST2106 PT0005 Universidade de Coimbra Coimbra (Portugal)
- University of Cologne DEQARINST0390 DE0077 Universität zu Köln Cologne (Germany)
- University of Computer Engineering and Telecommunications in Kielce DEQARINST4789 PL0410 Wyższa Szkoła Technik Komputerowych i Telekomunikacji w Kielcach Kielce (Poland)
- University of Computer Sciences and Skills in Łódź DEQARINST2041 PL0333 Wyższa Szkoła Informatyki i Umiejętności w Łodzi Łódź (Poland)
- University of cooperative Education DEQARINST6979 DE0861 Private Berufsakademie Fulda Fulda (Germany)
- University of Cooperative Education DEQARINST6959 DE0858 Hessische Berufsakademie Frankfurt am Main (Germany)
- University of Cooperative Education for IT and Business Oldenburg DEQARINST6931 DE0901 Berufsakademie für IT & Wirtschaft Oldenburg in Trägerschaft des IBS IT & Business School Oldenburg e. V. Oldenburg (Germany)
- University of Copenhagen DEQARINST0713 DK0001 Københavns Universitet Copenhagen (Denmark)
- University of Cordoba DEQARINST0773 ES0003 Universidad de Córdoba Córdoba (Spain)
- University of Cordoba, Doctorate School of University of Cordoba DEQARINST6015 Escuela de Doctorado de la Universidad de Córdoba Córdoba (Spain)
- University of Cordoba, Faculty of Education Science DEQARINST6019 Facultad de Ciencias de la Educación Córdoba (Spain)