| 1001 | 1481 | Marlborough Hospital |  | 2221 | 1268 | 2538 | 1960 |
| 1002 | 639 | University of Iowa Hospitals and Clinics | | 5919 | 1176 | 2538 | 143 |
| 1003 | 7689 | Unidad de Microanálisis y Métodos Físicos en Química Orgánica |  | 5780 | 8103 | 2538 | 3252 |
| 1004 | 4082 | University Health Care System Augusta | | 2861 | 2106 | 2538 | 3879 |
| 1005 | 5973 | Veterinary Neurological Center | | 5955 | 4718 | 2538 | 3879 |
| 1006 | 4068 | Vermont Institute Natural Science | | 4187 | 2014 | 2538 | 3879 |
| 1007 | 7930 | VA Healthcare System of Ohio, Indiana and Michigan | | 7436 | 7852 | 2538 | 3879 |
| 1008 | 7956 | VA Great Lakes Health Care System VISN 12 | | 7339 | 7893 | 2538 | 3879 |
| 1009 | 6006 | Victoria General Hospital |  | 6934 | 4659 | 2538 | 3879 |
| 1010 | 8015 | VA Heartland Network VISN 15 | | 7696 | 7963 | 2538 | 3879 |
| 1011 | 7826 | VA Health Care Network South Central | | 7512 | 7605 | 2538 | 3879 |
| 1012 | 7998 | VA Rocky Mountain Network | | 7861 | 7908 | 2538 | 3879 |
| 1013 | 7539 | VA Healthcare Network Upstate New York VISN 2 | | 5655 | 7231 | 2538 | 3879 |
| 1014 | 7454 | VA Northwest Network VISN 20 | | 5603 | 7104 | 2538 | 3879 |
| 1015 | 7808 | VA Sierra Pacific Network VISN 21 | | 7380 | 7590 | 2538 | 3879 |
| 1016 | 7820 | VA Midwest Health Care Network VISN 23 | | 7030 | 7645 | 2538 | 3879 |
| 1017 | 7670 | VA Healthcare VISN 4 | | 6238 | 7438 | 2538 | 3879 |
| 1018 | 7893 | VA Mid-Atlantic Health Care Network VISN 6 | | 7380 | 7786 | 2538 | 3879 |
| 1019 | 7798 | VA Sunshine Healthcare Network | | 6895 | 7618 | 2538 | 3879 |
| 1020 | 7869 | VA MidSouth Healthcare Network VISN 9 | | 7266 | 7737 | 2538 | 3879 |
| 1021 | 6265 | Lynn Health Science Institute | | 7630 | 6257 | 2538 | 3509 |
| 1022 | 7955 | Laboratorio Internacional de Investigación del Cambio Global |  | 8011 | 7724 | 2538 | 3879 |
| 1023 | 6969 | Lincoln Medical and Mental Health Center | | 7155 | 6193 | 2538 | 3879 |
| 1024 | 6476 | Lithuanian Research and Studies Center Chicago | | 4893 | 5573 | 2538 | 3879 |
| 1025 | 3039 | Central Arkansas Veterans Healthcare System | | 6820 | 6165 | 2538 | 1236 |
| 1026 | 5773 | La Jolla Bioengineering Institute | | 7712 | 6559 | 2538 | 3191 |
| 1027 | 5126 | Louisville Metabolic and Atherosclerosis Research Center | | 7775 | 7018 | 2538 | 2510 |
| 1028 | 4739 | Laboratório Nacional de Astrofísica |  | 4459 | 5862 | 2538 | 3140 |
| 1029 | 2127 | Laboratório Nacional de Luz Síncrotron | | 5230 | 2639 | 2538 | 2124 |
| 1030 | 4313 | VA Loma Linda Healthcare System | | 6758 | 6453 | 2538 | 2408 |
| 1031 | 3007 | VA Long Beach Healthcare System | | 6758 | 5932 | 2538 | 1380 |
| 1032 | 1728 | VA Greater Los Angeles Healthcare System | | 5520 | 5100 | 2538 | 356 |
| 1033 | 3438 | Louisville VA Medical Center | | 6442 | 6006 | 2538 | 1891 |
| 1034 | 6339 | University of Louisville Department of Surgery | | 6546 | 5227 | 2538 | 3879 |
| 1035 | 5285 | Captain James A. Lovell Federal Health Care Center | | 5750 | 6406 | 2538 | 3140 |
| 1036 | 696 | Loyola University Medical Center | | 2481 | 836 | 2538 | 390 |
| 1037 | 4945 | Lawrenceville Plasma Physics Fusion | | 4402 | 3337 | 2538 | 3879 |
| 1038 | 6375 | Learning Research & Development Center | | 4049 | 5466 | 2538 | 3879 |
| 1039 | 7593 | USGS Leetown Science Center | | 7544 | 7185 | 2538 | 3879 |
| 1040 | 781 | Louisiana State University Agricultural Center | | 427 | 514 | 2538 | 1015 |
| 1041 | 3086 | Long Term Ecological Research Network | | 792 | 913 | 2538 | 3879 |
| 1042 | 4356 | Hospital de Niños Sor Maria Ludovica | | 6684 | 5659 | 2538 | 2919 |
| 1043 | 1067 | Ludwig Institute for Cancer Research São Paulo | | 5123 | 1904 | 2538 | 428 |
| 1044 | 7179 | Lunar Research Institute | | 7472 | 6481 | 2538 | 3879 |
| 1045 | 5602 | Luquillo Experimental Forest Long Term Ecological Research Network |  | 3823 | 4336 | 2538 | 3879 |
| 1046 | 2533 | Museo Argentino de Ciencias Naturales Bernardino Rivadavia | | 5701 | 4478 | 2538 | 1753 |
| 1047 | 2979 | William S. Middleton Memorial Veterans Hospital | | 6082 | 6464 | 2538 | 1007 |
| 1048 | 1645 | Magee-Womens Research Institute | | 6138 | 2922 | 2538 | 1057 |
| 1049 | 7418 | VA Maine Healthcare System | | 7030 | 6964 | 2538 | 3879 |
| 1050 | 1299 | Maine Health | | 1771 | 854 | 2538 | 1960 |
| 1051 | 6442 | VA Medical Center Manchester New Hampshire | | 7030 | 6569 | 2538 | 3509 |
| 1052 | 4534 | Marcus Institute | | 6475 | 2547 | 2538 | 3879 |
| 1053 | 7215 | Centro Cientifico Tecnologico CONICET Mar del Plata | | 5659 | 6709 | 2538 | 3879 |
| 1054 | 2848 | Marine Mammal Center | | 2903 | 640 | 2538 | 3879 |
| 1055 | 7330 | Marion VA Medical Center | | 6580 | 6842 | 2538 | 3879 |
| 1056 | 7242 | VA Medical Center Martinsburg WV | | 6252 | 6714 | 2538 | 3879 |
| 1057 | 4559 | Martin's Point Health Care | | 5103 | 2705 | 2538 | 3879 |
| 1058 | 2437 | VA Maryland Health Care System | | 4953 | 5837 | 2538 | 873 |
| 1059 | 714 | Massachusetts Eye and Ear Infirmary | | 2895 | 834 | 2538 | 408 |
| 1060 | 87 | Massachusetts General Hospital | | 539 | 106 | 2538 | 10 |
| 1061 | 1093 | Mayo Clinic | | 72 | 10 | 2538 | 3879 |
| 1062 | 6322 | Michigan Biotechnology Institute | | 7598 | 4990 | 2538 | 3879 |
| 1063 | 4707 | McCrone Research Institute | | 6103 | 2872 | 2538 | 3879 |
| 1064 | 5178 | Mclaughlin Centre for Population Health Risk Assessment | | 6676 | 5691 | 2538 | 3316 |
| 1065 | 3134 | Mclean Hospital | | 3119 | 871 | 2538 | 3879 |
| 1066 | 3909 | Mcleod Health | | 2062 | 1910 | 2538 | 3879 |
| 1067 | 7524 | Midwest Cardiovascular Research Foundation | | 6944 | 7113 | 2538 | 3879 |
| 1068 | 1550 | Medical City Hospital | | 1508 | 2209 | 2538 | 1490 |
| 1069 | 3958 | MEDNAX Phoenix Perinatal Associates | | 2469 | 1948 | 2538 | 3879 |
| 1070 | 840 | Medstar Health Research Institute (MedStar Washington Hospital Center) | | 579 | 752 | 2538 | 930 |
| 1071 | 5500 | Maine Environmental Policy Institute | | 6997 | 3857 | 2538 | 3879 |
| 1072 | 3965 | Herman & Walter Samuelson Children's Hospital at Sinai | | 7157 | 1622 | 2538 | 3879 |
| 1073 | 1566 | Long Beach Memorial Medical Center | | 1341 | 931 | 2538 | 2510 |
| 1074 | 2651 | Memorial Hermann Northwest Hospital | | 960 | 544 | 2538 | 3879 |
| 1075 | 4707 | Memorial Hospital Jacksonville | | 4953 | 2971 | 2538 | 3879 |
| 1076 | 4452 | Memorial Health System Memorial Medical Center Springfield | | 3651 | 2646 | 2538 | 3879 |
| 1077 | 7170 | Memorial Orthopaedic Surgical Group | | 7428 | 6466 | 2538 | 3879 |
| 1078 | 3073 | Memphis VA Medical Center | | 6768 | 6347 | 2538 | 1153 |
| 1079 | 7567 | Memphis Medical Center | | 7984 | 6908 | 2538 | 3879 |
| 1080 | 4494 | Mental Health | | 4916 | 2622 | 2538 | 3879 |
| 1081 | 4272 | Instituto de Meteorología de la República de Cuba |  | 5804 | 2206 | 2538 | 3879 |
| 1082 | 5706 | Methodist Sports Medicine Center | | 5188 | 4406 | 2538 | 3879 |
| 1083 | 5168 | Michigan Headache & Neurological Institute | | 6987 | 3397 | 2538 | 3879 |
| 1084 | 3212 | Miami VA Healthcare System | | 6726 | 6424 | 2538 | 1288 |
| 1085 | 6295 | Miami Hand Center | | 6045 | 5223 | 2538 | 3879 |
| 1086 | 5325 | Michigan Ear Institute | | 6910 | 3630 | 2538 | 3879 |
| 1087 | 3392 | VA Medical Center Milwaukee Wisconsin | | 5123 | 6158 | 2538 | 1797 |
| 1088 | 6074 | Mental Illness Research Education and Clinical Centers MIRECC | | 3689 | 5066 | 2538 | 3879 |
| 1089 | 6419 | Mississippi Sports Medicine and Orthopaedic Center | | 7472 | 5217 | 2538 | 3879 |
| 1090 | 659 | Missouri Botanical Garden | | 953 | 233 | 2538 | 1218 |
| 1091 | 1860 | Maine Medical Center Research Institute | | 4969 | 2981 | 2538 | 1518 |
| 1092 | 5801 | Michigan Molecular Institute | | 6944 | 4357 | 2538 | 3879 |
| 1093 | 2620 | Minneapolis Medical Research Foundation | | 7193 | 5215 | 2538 | 1351 |
| 1094 | 3291 | Masonic Medical Research Laboratory | | 7292 | 3841 | 2538 | 2782 |
| 1095 | 6240 | Molecular Sciences Institute | | 8091 | 4379 | 2538 | 3879 |
| 1096 | 4450 | International Heart Institute Montana Foundation | | 5535 | 2494 | 2538 | 3879 |
| 1097 | 7225 | VA Montana Healthcare System | | 7068 | 6606 | 2538 | 3879 |
| 1098 | 7097 | Morgan Kalman Clinic | | 7562 | 6294 | 2538 | 3879 |
| 1099 | 5322 | VA Medical Center Mountain Tennessee | | 7030 | 6977 | 2538 | 2782 |
| 1100 | 7340 | Mountain Quest Institute | | 8011 | 6413 | 2538 | 3879 |
