| 1201 | 1237 | Research Academic Computer Technology Institute |  | 905 | 877 | 1688 | 2822 |
| 1202 | 4384 | Reseach Centre for Earth Sciences HAS |  | 2284 | 2643 | 2538 | 3879 |
| 1203 | 4773 | Reial Acadèmia de Ciències i Arts de Barcelona / Real Academia de Ciencias y Artes de Barcelona |  | 3336 | 4183 | 2538 | 3660 |
| 1204 | 7227 | Regional Research Institute |  | 7081 | 6609 | 2538 | 3879 |
| 1205 | 2997 | Regional Environmental Center for Central and Eastern Europe | | 349 | 898 | 2538 | 3879 |
| 1206 | 2513 | REGIOMED Kliniken (Kreiskrankenhaus Sonneberg) |  | 3312 | 2958 | 2538 | 2584 |
| 1207 | 2084 | Rediris Red Española de I+D | | 557 | 199 | 2538 | 3879 |
| 1208 | 4356 | Red de Bibliotecas del CSIC | | 1307 | 2685 | 2538 | 3879 |
| 1209 | 5908 | Real Jardín Botánico Juan Carlos I Alcalá de Henares | | 6971 | 4507 | 2538 | 3879 |
| 1210 | 2000 | Real Jardín Botánico de Madrid | | 322 | 4943 | 674 | 2431 |
| 1211 | 2658 | Real Instituto Elcano de Estudios Internacionales y Estratégicos | | 834 | 557 | 2538 | 3879 |
| 1212 | 3565 | Real Academia Gallega | | 205 | 1659 | 2538 | 3879 |
| 1213 | 1679 | Real Academia Española | | 155 | 91 | 2538 | 3879 |
| 1214 | 3960 | Real Academia de Ciencias Exactas, Físicas y Naturales | | 2338 | 1964 | 2538 | 3879 |
| 1215 | 1985 | Rathenau Institute |  | 3942 | 1284 | 2538 | 2782 |
| 1216 | 1696 | Radiation and Nuclear Safety Authority |  | 2535 | 1124 | 2538 | 2510 |
| 1217 | 93 | Radboud University Medical Center Nijmegen | | 565 | 594 | 43 | 46 |
| 1218 | 950 | Quirónsalud Grupo Hospitalario | | 386 | 810 | 1738 | 2266 |
| 1219 | 4795 | Queen Victoria Hospital |  | 4172 | 3134 | 2538 | 3879 |
| 1220 | 7725 | Quantum and Nano Technology Group University of Oxford | | 7475 | 7448 | 2538 | 3879 |
| 1221 | 3377 | Public Opinion Research Center |  | 2658 | 1161 | 2538 | 3879 |
| 1222 | 1641 | Public Health Agency of Sweden / Folkhälsomyndigheten |  | 624 | 812 | 2202 | 3316 |
| 1223 | 3863 | Proudman Oceanographic Laboratory | | 7564 | 1442 | 2538 | 3879 |
| 1224 | 5272 | Poznan Branch Polish Academy of Sciences / Polska Akademia Nauk Oddział w Poznaniu | | 4983 | 3730 | 2538 | 3879 |
| 1225 | 158 | Potsdam Institut für Klimafolgenforschung | | 792 | 275 | 211 | 338 |
| 1226 | 4381 | Poole Hospital NHS Trust | | 3312 | 2562 | 2538 | 3879 |
| 1227 | 3845 | Polymer Institute Slovak Academy of Sciences |  | 5230 | 6643 | 2538 | 1950 |
| 1228 | 6875 | Polymer Institute Brno |  | 7242 | 5990 | 2538 | 3879 |
| 1229 | 3283 | Polish Institute of International Affairs | | 2620 | 1036 | 2538 | 3879 |
| 1230 | 969 | Polish Geological Institute | | 256 | 919 | 1414 | 2377 |
| 1231 | 6149 | Polish Academy of Sciences Scientific Center in Vienna / Polska Akademia Nauk Stacja Naukowa w Wiedniu | | 5336 | 5050 | 2538 | 3879 |
| 1232 | 6318 | Polish Academy of Sciences Scientific Center in Paris / Polska Akademia Nauk Stacja Naukowa w Paryżu | | 5497 | 5278 | 2538 | 3879 |
| 1233 | 8126 | Polish Academy of Sciences Scientific Center in Moscow / Polska Akademia Nauk Stacja Naukowa w Moskwie | | 7856 | 8129 | 2538 | 3879 |
| 1234 | 8043 | Polish Academy of Sciences Institute of Ichthyobiology and Aquaculture in Gołysz | | 8011 | 7935 | 2538 | 3879 |
| 1235 | 58 | Polish Academy of Sciences | | 110 | 279 | 486 | 43 |
| 1236 | 6350 | Poliklinika SUVAG |  | 4532 | 5406 | 2538 | 3879 |
| 1237 | 4022 | Policy Studies Institute | | 3983 | 1958 | 2538 | 3879 |
| 1238 | 518 | Plymouth Marine Laboratory | | 3041 | 1346 | 250 | 749 |
| 1239 | 1165 | Plataforma Solar de Almeria | | 5311 | 1981 | 1706 | 1526 |
| 1240 | 5325 | Plant Protection Institute HAS | | 919 | 4208 | 2538 | 3879 |
| 1241 | 2655 | Plant Breeding and Acclimatization Institute | | 1525 | 2847 | 1670 | 3509 |
| 1242 | 769 | Pirbright Institute (Institute for Animal Health) | | 2993 | 2081 | 1033 | 728 |
| 1243 | 236 | Physikalisch-Technische Bundesanstalt | | 436 | 361 | 628 | 480 |
| 1244 | 3599 | PHARMO Institute Utrecht | | 6107 | 4917 | 2538 | 2696 |
| 1245 | 5562 | Pfeiffersche Stiftungen Magdeburg-Cracau | | 4431 | 4221 | 2538 | 3879 |
| 1246 | 4787 | Pfalzklinikum | | 3386 | 3186 | 2538 | 3879 |
| 1247 | 7100 | Peamount Hospital |  | 6788 | 6412 | 2538 | 3879 |
| 1248 | 4103 | Paul Gerhardt Diakonie | | 2411 | 2180 | 2538 | 3879 |
| 1249 | 971 | Paul Ehrlich Institut | | 1275 | 736 | 2538 | 1256 |
| 1250 | 1234 | Paul Drude Institut für Festkörperelektronik | | 2464 | 3478 | 720 | 1366 |
| 1251 | 6645 | Parkinson-Klinik Wolfach | | 7222 | 5620 | 2538 | 3879 |
| 1252 | 6991 | Park-Klinik Kiel | | 7028 | 6234 | 2538 | 3879 |
| 1253 | 784 | Parc de Salut Mar (Institut Municipal d'Assistencia Sanitaria) | | 663 | 1832 | 954 | 1015 |
| 1254 | 4900 | Papiertechnische Stiftung | | 4431 | 3285 | 2538 | 3879 |
| 1255 | 3186 | Palais de la Découverte |  | 4787 | 864 | 2538 | 3879 |
| 1256 | 181 | Oxford University Hospitals NHS Trust | | 1703 | 822 | 568 | 82 |
| 1257 | 2471 | Oxford Institute for Energy Studies | | 2642 | 860 | 2203 | 3879 |
| 1258 | 3711 | Oxford Health | | 2068 | 1611 | 2538 | 3879 |
| 1259 | 4275 | Oxford Centre for Islamic Studies | | 4468 | 2317 | 2538 | 3879 |
| 1260 | 5491 | Oxford Centre for Hebrew and Jewish Studies | | 4996 | 4097 | 2538 | 3879 |
| 1261 | 776 | Overseas Development Institute | | 721 | 222 | 1057 | 2919 |
| 1262 | 1702 | Our Lady's Children's Hospital | | 5040 | 3338 | 2538 | 990 |
| 1263 | 6553 | Otto- Fricke- Krankenhaus | | 6508 | 5565 | 2538 | 3879 |
| 1264 | 976 | Osterreichisches Institut für Wirtschaftsforschung |  | 1055 | 1123 | 1250 | 2124 |
| 1265 | 5094 | Österreichisches Institut für Menschenrechte | | 3319 | 3634 | 2538 | 3879 |
| 1266 | 5372 | Osterreichische Institut für Internationale Politik | | 2406 | 4144 | 2538 | 3879 |
| 1267 | 4404 | Osterreichische Forschungsstiftung für Entwicklungshilfe | | 3175 | 2591 | 2538 | 3879 |
| 1268 | 61 | Osterreichische Akademie der Wissenschaften | | 35 | 181 | 120 | 125 |
| 1269 | 5503 | Ost-West Wissenschaftszentrum | | 5040 | 4111 | 2538 | 3879 |
| 1270 | 2556 | Osservatorio Astronomico Roma |  | 4692 | 6688 | 2538 | 543 |
| 1271 | 7295 | Osservatorio Astronomico di Trieste | | 2084 | 7042 | 2538 | 3879 |
| 1272 | 4542 | Osservatorio Astronomico di Torino | | 5160 | 6668 | 2538 | 2510 |
| 1273 | 2594 | Osservatorio Astronomico di Capodimonte | | 4011 | 7225 | 1922 | 1001 |
| 1274 | 6350 | Osservatorio Astronomico di Bologna | | 2636 | 5535 | 2538 | 3879 |
| 1275 | 7536 | Osservatorio Astrofisico di Catania | | 4688 | 7266 | 2538 | 3879 |
| 1276 | 4346 | Osservatorio Astrofisico di Arcetri | | 2178 | 5256 | 869 | 3879 |
| 1277 | 206 | Ospedale San Raffaele (Istituto Scientifico Universitario) | | 2280 | 1166 | 37 | 116 |
| 1278 | 613 | Ospedale Pediatrico Gaslini | | 3303 | 2372 | 209 | 519 |
| 1279 | 494 | Ospedale Niguarda | | 786 | 1770 | 333 | 458 |
| 1280 | 405 | Ospedale Maggiore Policlinico Milano | | 1330 | 1924 | 506 | 176 |
| 1281 | 6255 | Ospedale Gradenigo | | 4961 | 5240 | 2538 | 3879 |
| 1282 | 8130 | Ospedale Giovanni Fornaroli | | 8091 | 8125 | 2538 | 3879 |
| 1283 | 4195 | Ospedale di Circolo Fondazione Macchi | | 4870 | 6471 | 2538 | 2377 |
| 1284 | 3553 | Orthopedic Institute Gaetano Pini | | 2710 | 4895 | 2521 | 2867 |
| 1285 | 6686 | Orthopädische Klinik Volmarstein | | 6360 | 5801 | 2538 | 3879 |
| 1286 | 7437 | Oriental Institute ASCR | | 3092 | 7185 | 2538 | 3879 |
| 1287 | 6149 | Orient Institute | | 6872 | 4884 | 2538 | 3879 |
| 1288 | 1739 | Organización Nacional de Trasplantes | | 1801 | 1097 | 2538 | 2653 |
| 1289 | 939 | Onze Lieve Vrouw Hospital | | 2588 | 1519 | 1403 | 1545 |
| 1290 | 6771 | Onkologischer Schwerpunkt Stuttgart | | 7086 | 5838 | 2538 | 3879 |
| 1291 | 2453 | Onassis Cardiac Surgery Center | | 5736 | 3767 | 2538 | 1992 |
| 1292 | 1248 | Oldenburger Forschungs- und Entwicklungsinstitut für Informatik-Werkzeuge und -Systeme | | 2227 | 1204 | 1231 | 2627 |
| 1293 | 5523 | Old Church Slavonic Institute | | 5230 | 5547 | 2501 | 3660 |
| 1294 | 5985 | Ökumenisches Hainich Klinikum | | 5520 | 4762 | 2538 | 3879 |
| 1295 | 4011 | Oil and Gas Institute in Cracow | | 2103 | 3522 | 2132 | 3879 |
| 1296 | 2430 | Oficina Española de Patentes y Marcas | | 86 | 481 | 2538 | 3879 |
| 1297 | 2011 | Office National de la Chasse et de la Faune Sauvage | | 1885 | 971 | 1781 | 3660 |
| 1298 | 5238 | Office National d'Etudes et de Recherches Aérospatiales ONERA Toulouse | | 8091 | 2861 | 2538 | 3879 |
| 1299 | 347 | Office National d'Etudes et de Recherches Aérospatiales ONERA | | 912 | 789 | 313 | 587 |
| 1300 | 741 | Odense University Hospital |  | 1301 | 1654 | 2538 | 166 |
