| 5959 | Civil Engineering Research Information Center |  | 2305 | 4986 | 2538 | 3879 |
| 1099 | Clalit Health Services |  | 329 | 957 | 2538 | 1454 |
| 6091 | Clausthaler Umwelttechnik Institut |  | 5750 | 4924 | 2538 | 3879 |
| 2181 | Clay Mathematics Institute |  | 2648 | 414 | 2538 | 3660 |
| 89 | Cleveland Clinic | | 340 | 41 | 2538 | 34 |
| 1632 | Cleveland Museum of Natural History | | 1231 | 678 | 1855 | 3509 |
| 5285 | Climate Prediction and Applications Centre Kenya |  | 1817 | 4020 | 2538 | 3879 |
| 7038 | Clínica Bazterrica Clínica Santa Isabel |  | 7242 | 6279 | 2538 | 3879 |
| 5849 | Clínica Ruiz |  | 7954 | 5797 | 2538 | 3410 |
| 6456 | Clínica San Felipe |  | 6079 | 5441 | 2538 | 3879 |
| 6598 | Clínica Universitaria Privada Reina Fabiola | | 6203 | 6430 | 2538 | 3660 |
| 670 | Clínica Universitaria Universidad de Navarra |  | 688 | 832 | 2538 | 405 |
| 8101 | Clinical Epidemiology Research Center at the VA Connecticut | | 7897 | 8081 | 2538 | 3879 |
| 4584 | Clinical Research Centre |  | 2946 | 3958 | 2380 | 3879 |
| 6189 | Clinical Research Development Ireland (Molecular Medicine Ireland) |  | 3605 | 5259 | 2538 | 3879 |
| 4297 | Clinical Trial and Statistical Applications Innovations | | 4122 | 2383 | 2538 | 3879 |
| 7693 | Clinique de Longeraie |  | 7945 | 7229 | 2538 | 3879 |
| 5369 | Clinique Pasteur |  | 3129 | 4078 | 2538 | 3879 |
| 3497 | CNAM Laboratoire Cédric | | 1562 | 1370 | 2538 | 3879 |
| 7340 | CNR Area della Ricerca di Roma 2 |  | 4216 | 7005 | 2538 | 3879 |
| 7513 | CNRS Alsace | | 2665 | 7307 | 2538 | 3879 |
| 2078 | CNRS Campus d'Orléans | | 1878 | 1133 | 391 | 3879 |
| 4553 | CNRS Campus de Meudon Bellevue | | 3148 | 2849 | 2538 | 3879 |
| 4727 | Coalition for Research in Women's Health |  | 3631 | 3087 | 2538 | 3879 |
| 5827 | Coastal Development Institute of Technology |  | 3831 | 4664 | 2538 | 3879 |
| 6733 | Coatesville VA Medical Center | | 6910 | 6576 | 2538 | 3660 |
| 6925 | Coatings Research Institute |  | 7902 | 5831 | 2538 | 3879 |
| 4555 | Coconut Development Board |  | 6180 | 2598 | 2538 | 3879 |
| 6156 | Coconut Research Institute of Sri Lanka |  | 5311 | 5915 | 2538 | 3660 |
| 2672 | Cold and Arid Regions Environmental and Engineering Research Institute CAS / 中国科学院寒区旱区环境与工程研究所 |  | 4187 | 6802 | 2538 | 607 |
| 133 | Cold Spring Harbor Laboratory | | 602 | 186 | 104 | 411 |
| 1369 | Colegio de la Frontera Norte CONACYT | | 995 | 1441 | 885 | 2919 |
| 891 | Colegio de la Frontera Sur CONACYT | | 472 | 1625 | 372 | 1873 |
| 2002 | Colegio de Michoacán CONACYT | | 1204 | 2503 | 1801 | 3076 |
| 2590 | Colegio de San Luis CONACYT | | 1458 | 1699 | 2136 | 3660 |
| 3890 | Collectief Centrum van de Belgische Technologische Industrie | | 1324 | 1935 | 2538 | 3879 |
| 4754 | Collegium Carolinum Munchen | | 3161 | 3163 | 2538 | 3879 |
| 7483 | Colon and Rectal Clinic of Orlando | | 7712 | 6958 | 2538 | 3879 |
| 3948 | Colorado Health Foundation | | 4022 | 1834 | 2538 | 3879 |
| 7758 | Colorado Joint Replacement | | 7954 | 7355 | 2538 | 3879 |
| 5182 | Colorado Neurological Institute | | 6598 | 3452 | 2538 | 3879 |
| 5372 | Columbia Mountains Institute of Applied Ecology | | 5464 | 3861 | 2538 | 3879 |
| 7003 | Columbia Skin Clinic | | 6380 | 6316 | 2538 | 3879 |
| 2861 | Comando Geral de Tecnologia Aeroespacial |  | 3015 | 1940 | 1409 | 3879 |
| 3446 | Comisión Internacional para la Conservación del Atún Atlántico | | 1162 | 1322 | 2538 | 3879 |
| 789 | Comisión Nacional de Investigación Científica y Tecnológica |  | 47 | 292 | 2538 | 1701 |
| 5217 | Comisión Nacional de Investigación y Desarrollo Aeroespacial Agencia Espacial del Perú | | 2998 | 3815 | 2538 | 3879 |
| 2853 | Comisión Sectorial de Investigación Científica Universidad de la República |  | 888 | 714 | 2538 | 3879 |
| 871 | Comissão Nacional de Energia Nuclear Rio de Janeiro | | 3102 | 1137 | 2180 | 1188 |
| 5500 | Comissão Técnica Nacional de Biossegurança | | 1771 | 4370 | 2538 | 3879 |
| 27 | Commissariat a l'Ënergie Atomique | | 144 | 157 | 25 | 22 |
| 15 | Commonwealth Scientific and Industrial Research Organization |  | 20 | 32 | 16 | 27 |
| 2170 | Competitive Enterprise Institute | | 805 | 240 | 2538 | 3879 |
| 5776 | Complejo Astronómico El Leoncito | | 7247 | 6312 | 2538 | 3316 |
| 2236 | Complejo Hospitalario Juan Canalejo A Coruña | | 3010 | 5475 | 2538 | 890 |
| 1622 | Complejo Hospitalario Universitario de Albacete | | 1116 | 2357 | 2538 | 1590 |
| 3942 | Complex of Biomedical Institutes at KRC Prague ASCR |  | 1873 | 4663 | 732 | 3879 |
| 367 | Computer and Automation Research Institute HAS |  | 26 | 255 | 764 | 1620 |
| 5396 | Computer Graphics Center Fraunhofer | | 7775 | 3512 | 2538 | 3879 |
| 2262 | Computer Network Information Center CAS / 中国科学院计算机网络信息中心 | | 3056 | 467 | 2408 | 3879 |
| 4248 | Computer Research Center of Islamic Sciences of Qom |  | 770 | 2584 | 2538 | 3879 |
| 6632 | Computing center Far Easter Branch RAS / Вычислительный центр Дальневосточного отделения РАН |  | 6217 | 5702 | 2538 | 3879 |
| 2925 | Concord Hospital | | 3934 | 1950 | 2538 | 3316 |
| 5885 | Confederation House, Center for Ethnic Music and Poetry | | 7325 | 4419 | 2538 | 3879 |
| 4398 | CONICET Bahía Blanca | | 5808 | 7655 | 2538 | 1427 |
| 773 | Connecticut Children's Medical Center | | 1494 | 1343 | 1562 | 1069 |
| 4030 | CONRAD | | 7288 | 3101 | 2538 | 3509 |
| 3317 | Consejo de Seguridad Nuclear | | 608 | 1210 | 2538 | 3879 |
| 398 | Consejo Nacional de Ciencia y Tecnología CONACYT México | | 582 | 551 | 2538 | 137 |
| 5188 | Consejo Nacional de Ciencia y Tecnología El Salvador |  | 3248 | 3756 | 2538 | 3879 |
| 4584 | Consejo Nacional de Ciencia y Tecnología Paraguay |  | 1155 | 3058 | 2538 | 3879 |
| 3084 | Consejo Nacional de Ciencia y Tecnología Perú | | 48 | 1122 | 2538 | 3879 |
| 80 | Consejo Nacional de Investigaciones Científicas y Técnicas | | 68 | 501 | 172 | 44 |
| 3277 | Consejo Nacional para Investigaciones Científicas y Tecnológicas |  | 975 | 1118 | 2538 | 3879 |
| 6149 | Consejo Nicaraguense de Ciencia y Tecnología |  | 2495 | 5272 | 2538 | 3879 |
| 8 | Consejo Superior de Investigaciones Científicas CSIC | | 26 | 60 | 11 | 6 |
| 165 | Conselho Nacional de Desenvolvimento Cientifico e Tecnológico | | 69 | 120 | 68 | 1107 |
| 4468 | Conservation Biology Institute | | 4049 | 2653 | 2538 | 3879 |
| 2892 | Conservation Fund | | 2182 | 701 | 2538 | 3879 |
| 1281 | Conservation International | | 1877 | 149 | 632 | 3879 |
| 10 | Consiglio Nazionale delle Ricerche CNR | | 22 | 56 | 15 | 9 |
| 2108 | Consiglio per la Ricerca e la sperimentazione in Agricoltura (Istituto Nazionale di Ricerca per gli Alimenti e la Nutrizione) | | 1020 | 1058 | 816 | 3879 |
| 3332 | Consorci Parc de Recerca Biomèdica de Barcelona | | 842 | 1849 | 2538 | 3660 |
| 7110 | Consorci Sanitari de Barcelona | | 5623 | 6517 | 2538 | 3879 |
| 1054 | Consorcio CSIC-IRTA-UAB Centre de Recerça Agrigenomica | | 3612 | 2743 | 1062 | 1136 |
| 4980 | Consorcio Ecuatoriano para el Desarrollo de Internet Avanzado CEDIA |  | 194 | 3930 | 2538 | 3879 |
| 6891 | Consorcio Escuela de la Junta de Andalucía en Encinas Reales | | 7570 | 5962 | 2538 | 3879 |
| 4161 | Consorcio para el Desarrollo Sostenible de la Ecorregión Andina | | 4493 | 2110 | 2538 | 3879 |
| 4468 | Consorzio Interuniversitario Nazionale per l'Informatica | | 2830 | 2737 | 2538 | 3879 |
| 2016 | Consorzio Nazionale Interuniversitario per le Scienze Fisiche della Materia | | 2425 | 4783 | 2538 | 914 |
| 7551 | Construction Engineering Research Institute Foundation | | 6922 | 7181 | 2538 | 3879 |
| 6740 | Construction Research Institute of Malaysia | | 6173 | 5907 | 2538 | 3879 |
| 4053 | Contilia Gruppe | | 2696 | 2070 | 2538 | 3879 |
| 3771 | Cooper Aerobics Cooper Clinic | | 3529 | 1613 | 2538 | 3879 |
| 1995 | Cooper Institute | | 4431 | 1065 | 2538 | 2981 |
| 1244 | Cooper University Hospital | | 1129 | 1149 | 2538 | 1480 |
| 2034 | Cooperative Association for Internet Data Analysis | | 652 | 418 | 2290 | 3879 |
| 5853 | Copernicus Center for Interdisciplinary Studies (Jagiellonian University & John Paul II Pontifical University Kraków) |  | 2809 | 4760 | 2538 | 3879 |
| 4652 | Core Institute | | 4287 | 2920 | 2538 | 3879 |
| 2778 | Coriell Institute for Medical Research | | 647 | 1418 | 2129 | 3879 |
