| 6240 | Molecular Sciences Institute |  | 8091 | 4379 | 2538 | 3879 |
| 7513 | MOGAM Biotechnology Research Institute |  | 8011 | 6722 | 2538 | 3879 |
| 5464 | Mobiel 21 |  | 6850 | 3829 | 2538 | 3879 |
| 6749 | Miyazaki Prefecture Industrial Technology Center |  | 5230 | 5972 | 2538 | 3879 |
| 7313 | Miyagi Prefectural Industrial Technology | | 5025 | 6918 | 2538 | 3879 |
| 5231 | Miyagi Children's Hospital | | 5048 | 3670 | 2538 | 3879 |
| 486 | Mitsubishi Electric Research Laboratories | | 1894 | 886 | 433 | 981 |
| 6720 | Mitsubishi Economic Research Institute | | 7617 | 5686 | 2538 | 3879 |
| 659 | Missouri Botanical Garden | | 953 | 233 | 2538 | 1218 |
| 6419 | Mississippi Sports Medicine and Orthopaedic Center | | 7472 | 5217 | 2538 | 3879 |
| 7972 | Mission Historique Française en Allemagne |  | 8011 | 7781 | 2538 | 3879 |
| 3937 | Misión Biológica de Galicia |  | 6191 | 7657 | 1630 | 2104 |
| 2437 | Mirosław Mossakowski Medical Research Center Polish Academy of Sciences / Mirosław Mossakowski Medical Research Center z Polskiej Akademii Nauk |  | 2642 | 6716 | 1563 | 1518 |
| 7788 | Minsk Research Institute of Radiomaterials |  | 7159 | 7579 | 2538 | 3879 |
| 2620 | Minneapolis Medical Research Foundation | | 7193 | 5215 | 2538 | 1351 |
| 1612 | Minneapolis Heart Institute Foundation | | 4605 | 2944 | 2538 | 1061 |
| 5699 | Minneapolis Heart Institute | | 5940 | 4317 | 2538 | 3879 |
| 3807 | Mining Institute UB RAS / Горный институт Уральского отделения РАН |  | 2939 | 1706 | 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 |
| 6787 | Mining Institute KSC RAS / Горный институт Кольского научного центра РАН | | 5364 | 6007 | 2538 | 3879 |
| 7572 | Mining Institute FEB RAS / Институт горного дела Дальневосточного отделения РАН | | 3974 | 7377 | 2538 | 3879 |
| 4639 | Mineral and Energy Economy Research Institute Polish Academy of Sciences / Surowcami Mineralnymi i Energią Instytut Gospodarki, Polskiej Akademii Nauk | | 2408 | 3032 | 2538 | 3879 |
| 1897 | MIMOS |  | 2026 | 1695 | 1459 | 3316 |
| 752 | Milton S. Hershey Medical Center Penn State Health | | 2541 | 1397 | 2538 | 222 |
| 4559 | Militargeschichtliches Forschungsamt | | 3144 | 2856 | 2538 | 3879 |
| 7161 | Milchwirtschaftliche Lehr- und Untersuchungsanstalt Oranienburg | | 7744 | 6375 | 2538 | 3879 |
| 4850 | Milan Vidmar Electric Power Research Institute Ljubljana |  | 4680 | 4720 | 2538 | 3509 |
| 4797 | MIGAL Galilee Research Institute |  | 4565 | 4725 | 2094 | 3879 |
| 7524 | Midwest Cardiovascular Research Foundation | | 6944 | 7113 | 2538 | 3879 |
| 5559 | Middle Eastern Culture Center in Japan | | 7562 | 3813 | 2538 | 3879 |
| 2078 | Middle East Media Research Institute | | 605 | 198 | 2538 | 3879 |
| 6040 | Microbial Chemistry Research Center | | 3785 | 4998 | 2538 | 3879 |
| 5801 | Michigan Molecular Institute | | 6944 | 4357 | 2538 | 3879 |
| 5168 | Michigan Headache & Neurological Institute | | 6987 | 3397 | 2538 | 3879 |
| 5325 | Michigan Ear Institute | | 6910 | 3630 | 2538 | 3879 |
| 6322 | Michigan Biotechnology Institute | | 7598 | 4990 | 2538 | 3879 |
| 6658 | Michael-Balint-Klinik | | 7359 | 5623 | 2538 | 3879 |
| 2171 | Michael E. DeBakey VA Medical Center | | 6414 | 5978 | 2538 | 446 |
| 3212 | Miami VA Healthcare System | | 6726 | 6424 | 2538 | 1288 |
| 6512 | Miami Heart Research Institute | | 6983 | 5427 | 2538 | 3879 |
| 6295 | Miami Hand Center | | 6045 | 5223 | 2538 | 3879 |
| 493 | MetroHealth System Cleveland | | 3010 | 872 | 906 | 804 |
| 5706 | Methodist Sports Medicine Center | | 5188 | 4406 | 2538 | 3879 |
| 185 | Methodist Hospital Houston | | 764 | 562 | 178 | 214 |
| 1236 | Meteorological Research Institute Japan | | 1324 | 1496 | 2538 | 1092 |
| 7277 | Meteorological Research Institute Iran |  | 6105 | 6796 | 2538 | 3879 |
| 1815 | Meteorological and Hydrological Service |  | 3076 | 991 | 2538 | 2822 |
| 422 | Météo France |  | 324 | 156 | 2538 | 694 |
| 6010 | Merdeka Center | | 5943 | 4768 | 2538 | 3879 |
| 2058 | Mercy | | 1120 | 574 | 2006 | 3879 |
| 5748 | Menzies Foundation |  | 5783 | 4421 | 2538 | 3879 |
| 6074 | Mental Illness Research Education and Clinical Centers MIRECC | | 3689 | 5066 | 2538 | 3879 |
| 2759 | Mental Health Research Center RAMS / Научный центр психического здоровья Российской академии медицинских наук | | 2886 | 1486 | 2538 | 3410 |
| 6476 | Mental Health Institute SB RAMS / Научно исследовательский институт психического здоровья Сибирского отделения Российской академии медицинских наук | | 5553 | 5520 | 2538 | 3879 |
| 4494 | Mental Health | | 4916 | 2622 | 2538 | 3879 |
| 3073 | Memphis VA Medical Center | | 6768 | 6347 | 2538 | 1153 |
| 7567 | Memphis Medical Center | | 7984 | 6908 | 2538 | 3879 |
| 7170 | Memorial Orthopaedic Surgical Group | | 7428 | 6466 | 2538 | 3879 |
| 4707 | Memorial Hospital Jacksonville | | 4953 | 2971 | 2538 | 3879 |
| 2651 | Memorial Hermann Northwest Hospital | | 960 | 544 | 2538 | 3879 |
| 4452 | Memorial Health System Memorial Medical Center Springfield | | 3651 | 2646 | 2538 | 3879 |
| 7664 | Membrane Research Group HAS |  | 7832 | 7258 | 2538 | 3879 |
| 2705 | Meertens Institute |  | 227 | 4100 | 2416 | 2919 |
| 840 | Medstar Health Research Institute (MedStar Washington Hospital Center) | | 579 | 752 | 2538 | 930 |
| 3958 | MEDNAX Phoenix Perinatal Associates | | 2469 | 1948 | 2538 | 3879 |
| 7501 | Medizinisches Laserzentrum Lubeck | | 7984 | 6730 | 2538 | 3879 |
| 5600 | Mediterranee Infection | | 4704 | 4263 | 2538 | 3879 |
| 6895 | Mediterranean Agronomic Institute of Chania |  | 6230 | 6150 | 2538 | 3879 |
| 7177 | Mediclin Seidel-Klinik | | 6814 | 6559 | 2538 | 3879 |
| 966 | Medical Spectrum Twente | | 2246 | 1844 | 2215 | 904 |
| 3515 | Medical Research Institute of New Zealand |  | 7133 | 5407 | 2538 | 2290 |
| 4980 | Medical Research Information Center | | 411 | 3801 | 2538 | 3879 |
| 176 | Medical Research Council |  | 1982 | 358 | 2538 | 16 |
| 5342 | Medical Museum RAMS / Медицинский музей Российской академии медицинских наук | | 3920 | 3965 | 2538 | 3879 |
| 6404 | Medical Institute for Northern Problems SB RAMS / Научно исследовательский институт медицинских проблем Севера Сибирского отделения Российской академии медицинских наук | | 6364 | 5340 | 2538 | 3879 |
| 1550 | Medical City Hospital | | 1508 | 2209 | 2538 | 1490 |
| 6045 | Medical Biology Research Center | | 6937 | 7938 | 2538 | 2220 |
| 7177 | Mechatronics Research Laboratory | | 6267 | 6603 | 2538 | 3879 |
| 3449 | Mechanical Engineering Research Institute RAS | | 3698 | 3071 | 2538 | 3316 |
| 7862 | Mechanical Engineering Laboratory National Engineering School of Monastir |  | 7684 | 7659 | 2538 | 3879 |
| 7051 | Mechanical Engineering & Technology Research Information Center | | 7762 | 6180 | 2538 | 3879 |
| 3909 | Mcleod Health | | 2062 | 1910 | 2538 | 3879 |
| 3134 | Mclean Hospital | | 3119 | 871 | 2538 | 3879 |
| 5178 | Mclaughlin Centre for Population Health Risk Assessment |  | 6676 | 5691 | 2538 | 3316 |
| 450 | McGill University Health Centre | | 842 | 866 | 2538 | 108 |
| 4707 | McCrone Research Institute | | 6103 | 2872 | 2538 | 3879 |
| 2311 | MC Slotervaart | | 6397 | 4235 | 2538 | 1518 |
| 1093 | Mayo Clinic | | 72 | 10 | 2538 | 3879 |
| 718 | Max-Planck-Institut für Intelligente Systeme | | 1188 | 3138 | 709 | 363 |
| 5883 | Max Rubner Institut | | 2931 | 5545 | 2469 | 3879 |
| 7863 | Max Planck Institutes Tubingen Germany | | 6510 | 7777 | 2538 | 3879 |
| 7360 | Max Planck Institute Stuttgart | | 6758 | 6867 | 2538 | 3879 |
| 6001 | Max Planck Institute Semiconductor Laboratory | | 5542 | 7135 | 2538 | 3140 |
| 1171 | Max Planck Institute of Quantum Optics | | 1644 | 5028 | 448 | 618 |
| 2240 | Max Planck Institute of Neurobiology | | 4338 | 6738 | 1085 | 1300 |
| 433 | Max Planck Institute of Molecular Cell Biology and Genetics | | 1291 | 1087 | 216 | 673 |
| 2035 | Max Planck Institute of Microstructure Physics | | 1888 | 6971 | 1005 | 935 |
| 2035 | Max Planck Institute of Immunobiology and Epigenetics | | 3557 | 6382 | 1232 | 1188 |
| 2443 | Max Planck Institute of Experimental Medicine | | 5206 | 7211 | 1290 | 1061 |
| 2925 | Max Planck Institute of Biophysics | | 5971 | 7371 | 1315 | 1490 |
