| 6512 | Miami Heart Research Institute |  | 6983 | 5427 | 2538 | 3879 |
| 3212 | Miami VA Healthcare System | | 6726 | 6424 | 2538 | 1288 |
| 2171 | Michael E. DeBakey VA Medical Center | | 6414 | 5978 | 2538 | 446 |
| 6658 | Michael-Balint-Klinik |  | 7359 | 5623 | 2538 | 3879 |
| 6322 | Michigan Biotechnology Institute | | 7598 | 4990 | 2538 | 3879 |
| 5325 | Michigan Ear Institute | | 6910 | 3630 | 2538 | 3879 |
| 5168 | Michigan Headache & Neurological Institute | | 6987 | 3397 | 2538 | 3879 |
| 5801 | Michigan Molecular Institute | | 6944 | 4357 | 2538 | 3879 |
| 6040 | Microbial Chemistry Research Center |  | 3785 | 4998 | 2538 | 3879 |
| 2078 | Middle East Media Research Institute |  | 605 | 198 | 2538 | 3879 |
| 5559 | Middle Eastern Culture Center in Japan | | 7562 | 3813 | 2538 | 3879 |
| 7524 | Midwest Cardiovascular Research Foundation | | 6944 | 7113 | 2538 | 3879 |
| 4797 | MIGAL Galilee Research Institute | | 4565 | 4725 | 2094 | 3879 |
| 4850 | Milan Vidmar Electric Power Research Institute Ljubljana |  | 4680 | 4720 | 2538 | 3509 |
| 7161 | Milchwirtschaftliche Lehr- und Untersuchungsanstalt Oranienburg | | 7744 | 6375 | 2538 | 3879 |
| 4559 | Militargeschichtliches Forschungsamt | | 3144 | 2856 | 2538 | 3879 |
| 752 | Milton S. Hershey Medical Center Penn State Health | | 2541 | 1397 | 2538 | 222 |
| 1897 | MIMOS |  | 2026 | 1695 | 1459 | 3316 |
| 4639 | Mineral and Energy Economy Research Institute Polish Academy of Sciences / Surowcami Mineralnymi i Energią Instytut Gospodarki, Polskiej Akademii Nauk |  | 2408 | 3032 | 2538 | 3879 |
| 7572 | Mining Institute FEB RAS / Институт горного дела Дальневосточного отделения РАН |  | 3974 | 7377 | 2538 | 3879 |
| 6787 | Mining Institute KSC RAS / Горный институт Кольского научного центра РАН | | 5364 | 6007 | 2538 | 3879 |
| 7309 | Mining Institute of the North NV Chersky SB RAS / Институт горного дела Севера им Н В Черского Сибирского отделения РАН | | 6210 | 6843 | 2538 | 3879 |
| 3807 | Mining Institute UB RAS / Горный институт Уральского отделения РАН | | 2939 | 1706 | 2538 | 3879 |
| 5699 | Minneapolis Heart Institute | | 5940 | 4317 | 2538 | 3879 |
| 1612 | Minneapolis Heart Institute Foundation | | 4605 | 2944 | 2538 | 1061 |
| 2620 | Minneapolis Medical Research Foundation | | 7193 | 5215 | 2538 | 1351 |
| 7788 | Minsk Research Institute of Radiomaterials |  | 7159 | 7579 | 2538 | 3879 |
| 2437 | Mirosław Mossakowski Medical Research Center Polish Academy of Sciences / Mirosław Mossakowski Medical Research Center z Polskiej Akademii Nauk | | 2642 | 6716 | 1563 | 1518 |
| 3937 | Misión Biológica de Galicia |  | 6191 | 7657 | 1630 | 2104 |
| 7972 | Mission Historique Française en Allemagne | | 8011 | 7781 | 2538 | 3879 |
| 6419 | Mississippi Sports Medicine and Orthopaedic Center | | 7472 | 5217 | 2538 | 3879 |
| 659 | Missouri Botanical Garden | | 953 | 233 | 2538 | 1218 |
| 6720 | Mitsubishi Economic Research Institute | | 7617 | 5686 | 2538 | 3879 |
| 486 | Mitsubishi Electric Research Laboratories | | 1894 | 886 | 433 | 981 |
| 5231 | Miyagi Children's Hospital | | 5048 | 3670 | 2538 | 3879 |
| 7313 | Miyagi Prefectural Industrial Technology | | 5025 | 6918 | 2538 | 3879 |
| 6749 | Miyazaki Prefecture Industrial Technology Center | | 5230 | 5972 | 2538 | 3879 |
| 5464 | Mobiel 21 |  | 6850 | 3829 | 2538 | 3879 |
| 7513 | MOGAM Biotechnology Research Institute |  | 8011 | 6722 | 2538 | 3879 |
| 6240 | Molecular Sciences Institute | | 8091 | 4379 | 2538 | 3879 |
| 602 | Monash Health (Southern Health) |  | 3983 | 1797 | 1699 | 338 |
| 789 | Monell Chemical Senses Center | | 4651 | 934 | 1208 | 1572 |
| 3847 | Monetary and Banking Research Iran |  | 764 | 2390 | 2501 | 3879 |
| 2181 | Mongolian Academy of Sciences |  | 90 | 5484 | 1654 | 2173 |
| 123 | Montefiore Medical Center | | 620 | 668 | 217 | 60 |
| 380 | Monterey Bay Aquarium Research Institute | | 1735 | 396 | 423 | 1113 |
| 5579 | More Research / Møreforsking |  | 3386 | 4356 | 2538 | 3879 |
| 4027 | Moredun Research Institute |  | 4166 | 2865 | 2538 | 3660 |
| 7097 | Morgan Kalman Clinic | | 7562 | 6294 | 2538 | 3879 |
| 6227 | Moritz-Klinik Bad Klosterlausnitz | | 6065 | 5104 | 2538 | 3879 |
| 5357 | Moscow Clinical Research Center / Московский клинический научный центр | | 3449 | 4021 | 2538 | 3879 |
| 3719 | Moscow Helmholtz Institute of Eye Diseases / Московский научно исследовательский институт глазных болезней им Гельмгольца | | 8011 | 3197 | 2538 | 3191 |
| 7222 | Moscow Institute of Agriculture Nemchinovka RAAS / Московский научно исследовательский институт сельского хозяйства Немчиновка Российской академии сельскохозяйственных наук | | 8011 | 6194 | 2538 | 3879 |
| 5827 | Moscow Regional Institute of Obstetrics and Gynecology / Московский областной научно исследовательский институт акушерства и гинекологии | | 5083 | 4574 | 2538 | 3879 |
| 2949 | Moscow Scientific Practical Center of Medical Rehabilitation Rehabilitation and Sports Medicine / Московский научно практический центр медицинской реабилитации восстановительной и спортивной медицины | | 674 | 805 | 2538 | 3879 |
| 4592 | Moscows regional research clinical institute M F Vladimirskiy / Московский областной научно исследовательский клинический институт им М Ф Владимирского | | 2984 | 2925 | 2538 | 3879 |
| 6424 | Mosel-Eifel-Klinik | | 6605 | 5345 | 2538 | 3879 |
| 2741 | Moss Landing Marine Laboratories | | 1440 | 4994 | 1350 | 3034 |
| 1255 | Mote Marine Laboratory | | 2425 | 540 | 1693 | 3140 |
| 3528 | Mount Auburn Hospital | | 4122 | 1988 | 2538 | 3660 |
| 1363 | Mount Desert Island Biological Laboratory | | 443 | 1551 | 1978 | 2460 |
| 36 | Mount Sinai Health System New York City | | 709 | 164 | 194 | 23 |
| 1467 | Mount Sinai Medical Center | | 2985 | 1450 | 2346 | 2313 |
| 2984 | Mount Washington Observatory | | 5489 | 662 | 2538 | 3879 |
| 2963 | Mount Wilson Observatory | | 7193 | 969 | 2538 | 3660 |
| 7156 | Mountain Botanical Garden Dagestan Scientific Center RAS / Горный ботанический сад Дагестанского научного центра РАН | | 6170 | 6571 | 2538 | 3879 |
| 7340 | Mountain Quest Institute | | 8011 | 6413 | 2538 | 3879 |
| 5038 | Mountainside Hospital | | 5623 | 3361 | 2538 | 3879 |
| 3046 | Mpala Research Centre |  | 6785 | 3842 | 2538 | 2555 |
| 5376 | MPI Research | | 7834 | 3447 | 2538 | 3879 |
| 1151 | MRC Keneba |  | 2568 | 3420 | 1199 | 987 |
| 3493 | MRC Laboratory of Molecular Biology | | 657 | 4625 | 112 | 3879 |
| 3884 | MRI Global (Midwest Research Institute) | | 6748 | 3335 | 1809 | 3879 |
| 3942 | MSFC Science Research Office (National Space Science & Technology Center) | | 7518 | 1539 | 2538 | 3879 |
| 4942 | Muchen Institut für Sozialwissenschaftliche Forschung | | 4172 | 3345 | 2538 | 3879 |
| 3440 | Mühlenkreiskliniken (Klinikum Minden) | | 2702 | 3121 | 2538 | 3316 |
| 2686 | Mulheimer Max Planck Institute | | 7984 | 7458 | 1625 | 673 |
| 4183 | Muljibhai Patel Urological Hospital |  | 5620 | 5398 | 2538 | 2981 |
| 4049 | München Klinik | | 3375 | 2027 | 2538 | 3879 |
| 4817 | Munich Center for Integrated Protein Science | | 3767 | 4733 | 2538 | 3509 |
| 8112 | Munich Max Planck Campus for Legal and Economic Research | | 7923 | 8094 | 2538 | 3879 |
| 5156 | Municipal Health Service of Amsterdam |  | 4961 | 5286 | 2052 | 3879 |
| 231 | Murdoch Children's Research Institute | | 1771 | 956 | 158 | 164 |
| 5815 | Murmansk Marine Biological Institute KSC RAS / Мурманский морской биологический институт Кольского научного центра РАН | | 4514 | 4592 | 2538 | 3879 |
| 4158 | Murray-Darling Freshwater Research Centre | | 3001 | 3707 | 2538 | 3509 |
| 3300 | Musée Océanographique de Monaco |  | 6119 | 925 | 2538 | 3879 |
| 2533 | Museo Argentino de Ciencias Naturales Bernardino Rivadavia |  | 5701 | 4478 | 2538 | 1753 |
| 7225 | Museo de Antropologia | | 6417 | 6671 | 2538 | 3879 |
| 3774 | Museo de la Ciencia y de la Técnica de Cataluña | | 1418 | 1745 | 2538 | 3879 |
| 918 | Museo Nacional de Ciencias Naturales | | 492 | 4376 | 128 | 644 |
| 1880 | Museo Paleontológico Egidio Feruglio | | 5773 | 2442 | 2219 | 2510 |
| 835 | Museu Paraense Emilio Goeldi |  | 1917 | 1467 | 1097 | 1397 |
| 1491 | Museum and Institute of Zoology Polish Academy of Sciences / Muzeum i Instytut Zoologii Polskiej Akademii Nauk | | 2736 | 2777 | 1373 | 2188 |
| 1169 | Museum für Naturkunde Leibniz Institut für Evolutions und Biodiversitätsforschung | | 2799 | 1232 | 2538 | 1074 |
| 70 | Muséum National d'Histoire Naturelle |  | 55 | 165 | 95 | 153 |
| 6749 | Museum of The Earth in Warsaw Polish Academy of Sciences / Muzeum Ziemi w Warszawie Polskiej Akademii Nauk | | 6056 | 5927 | 2538 | 3879 |
| 2573 | Musgrove Park Hospital (Taunton and Somerset NHS Trust) | | 2702 | 2834 | 2538 | 2733 |
| 6977 | Mycetoma Research Centre |  | 6269 | 6293 | 2538 | 3879 |
| 4953 | Myers JDC Brookdale Institute | | 2714 | 3469 | 2538 | 3879 |
| 4962 | N I Vavilov Research Institute of Plant Industry | | 2797 | 3480 | 2538 | 3879 |
