| 901 | 5434 | Interuniversity Research Centre on Globalization and Work |  | 4140 | 4077 | 2538 | 3879 |
| 902 | 3207 | Iowa City VA Medical Center |  | 6654 | 6847 | 2538 | 964 |
| 903 | 5669 | Iowa Heart Center | | 6571 | 4190 | 2538 | 3879 |
| 904 | 7934 | IRD au Brésil |  | 4837 | 7937 | 2538 | 3879 |
| 905 | 6988 | IRIS Independent Research | | 7752 | 6061 | 2538 | 3879 |
| 906 | 385 | ITER | | 1347 | 278 | 1010 | 1236 |
| 907 | 306 | J. Craig Venter Institute | | 1615 | 480 | 356 | 681 |
| 908 | 1428 | Jackson Health System (Memorial Hospital) | | 2723 | 1617 | 2538 | 1518 |
| 909 | 157 | Jackson Laboratory | | 151 | 262 | 85 | 505 |
| 910 | 1805 | Jaeb Center for Health Research | | 4622 | 3210 | 2538 | 1267 |
| 911 | 2944 | James A. Haley Veterans' Hospital | | 6132 | 5682 | 2538 | 1534 |
| 912 | 3125 | James J. Peters VA Medical Center Bronx NY | | 6779 | 6927 | 2538 | 839 |
| 913 | 3807 | James S McDonnell Foundation | | 4768 | 1596 | 2538 | 3879 |
| 914 | 4670 | Jardín Botánico de Missouri Lima |  | 7202 | 6344 | 2538 | 2733 |
| 915 | 3108 | Jefferson University Hospitals (Thomas Jefferson University Hospital) | | 2134 | 879 | 2538 | 3879 |
| 916 | 5924 | Jeffrey Modell Foundation | | 7707 | 4380 | 2538 | 3879 |
| 917 | 2866 | Jesse Brown VA Medical Center | | 6910 | 6300 | 2538 | 981 |
| 918 | 52 | Jet Propulsion Laboratory | | 50 | 241 | 48 | 77 |
| 919 | 776 | Jewish General Hospital | | 560 | 1432 | 2538 | 282 |
| 920 | 4341 | Jewish Home and Hospital | | 5206 | 2350 | 2538 | 3879 |
| 921 | 4351 | JFK Medical Center (New Jersey Neuroscience Institute) | | 3861 | 2474 | 2538 | 3879 |
| 922 | 3538 | John D. Dingell VA Medical Center Detroit Michigan | | 6983 | 6212 | 2538 | 1843 |
| 923 | 53 | Johns Hopkins Medicine | | 370 | 45 | 2538 | 15 |
| 924 | 1027 | Johns Hopkins University Applied Physics Laboratory | | 490 | 99 | 147 | 3879 |
| 925 | 7654 | Joint Replacement Institute | | 7598 | 7312 | 2538 | 3879 |
| 926 | 5081 | Joseph W. Jones Ecological Research Center | | 8011 | 4210 | 2179 | 3879 |
| 927 | 565 | Joslin Diabetes Center & Joslin Clinic | | 1958 | 388 | 2538 | 579 |
| 928 | 163 | Kaiser Permanente | | 117 | 96 | 2538 | 119 |
| 929 | 4332 | Kansas City VA Medical Center | | 7149 | 7061 | 2538 | 1960 |
| 930 | 3538 | Kansas Health Institute | | 2310 | 1383 | 2538 | 3879 |
| 931 | 4196 | Kantar Health (Consumer Health Sciences) | | 4514 | 2154 | 2538 | 3879 |
| 932 | 4231 | Kelsey-Seybold Clinic | | 2876 | 2364 | 2538 | 3879 |
| 933 | 304 | Kennedy Krieger Institute | | 2023 | 644 | 151 | 580 |
| 934 | 4243 | Kentucky Science Center Louisville | | 6716 | 2050 | 2538 | 3879 |
| 935 | 3207 | Kerlan-Jobe Orthopaedic Clinic | | 6890 | 3288 | 2538 | 2981 |
| 936 | 2930 | Kessler Foundation | | 3920 | 1831 | 1630 | 3879 |
| 937 | 2421 | Kessler Rehabilitation Corporation | | 6351 | 2473 | 2538 | 2584 |
| 938 | 4994 | Kestrel Institute | | 5062 | 3345 | 2538 | 3879 |
| 939 | 1303 | Kingston General Hospital | | 2442 | 2323 | 2538 | 780 |
| 940 | 5488 | Kronos Early Estrogen Prevention Study (Kronos Longevity Research Institute) | | 7904 | 3482 | 2538 | 3879 |
| 941 | 5059 | Kuakini Health System | | 4565 | 3479 | 2538 | 3879 |
| 942 | 7442 | Kushner Electroplating School | | 7775 | 6874 | 2538 | 3879 |
| 943 | 6310 | La Familia Medical Center | | 7068 | 5106 | 2538 | 3879 |
| 944 | 5773 | La Jolla Bioengineering Institute | | 7712 | 6559 | 2538 | 3191 |
| 945 | 717 | La Jolla Institute for Allergy & Immunology | | 4947 | 2306 | 330 | 665 |
| 946 | 7955 | Laboratorio Internacional de Investigación del Cambio Global |  | 8011 | 7724 | 2538 | 3879 |
| 947 | 4739 | Laboratório Nacional de Astrofísica | | 4459 | 5862 | 2538 | 3140 |
| 948 | 708 | Laboratório Nacional de Computação Científica | | 612 | 1196 | 677 | 1419 |
| 949 | 2127 | Laboratório Nacional de Luz Síncrotron | | 5230 | 2639 | 2538 | 2124 |
| 950 | 7939 | Laboratorio para el Estudio de las Funciones Cerebrales Superiores |  | 7945 | 7743 | 2538 | 3879 |
| 951 | 4079 | Laboratorio Tecnológico del Uruguay |  | 845 | 2289 | 2538 | 3879 |
| 952 | 5031 | Lady Davis Institute for Medical Research | | 4847 | 3419 | 2538 | 3879 |
| 953 | 7921 | Lafayette Clinic | | 7864 | 7767 | 2538 | 3879 |
| 954 | 1292 | Lahey Clinic Medical Center | | 1624 | 1026 | 1451 | 2867 |
| 955 | 7637 | Lake Champlain Gynecologic Oncology | | 7676 | 7254 | 2538 | 3879 |
| 956 | 2819 | Land Institute | | 5506 | 1043 | 2304 | 3879 |
| 957 | 2169 | Lankenau Institute for Medical Research | | 7984 | 4962 | 1780 | 1649 |
| 958 | 1708 | Las Campanas Observatory | | 2707 | 1924 | 2538 | 1934 |
| 959 | 5161 | Las Vegas Skin & Cancer Clinics Ltd | | 5188 | 3569 | 2538 | 3879 |
| 960 | 11 | Lawrence Berkeley National Laboratory | | 37 | 26 | 5 | 21 |
| 961 | 33 | Lawrence Livermore National Laboratory | | 260 | 70 | 58 | 85 |
| 962 | 4945 | Lawrenceville Plasma Physics Fusion | | 4402 | 3337 | 2538 | 3879 |
| 963 | 1396 | Lawson Health Research Institute | | 4255 | 2339 | 2538 | 916 |
| 964 | 3699 | Lean Construction Institute | | 3025 | 1549 | 2538 | 3879 |
| 965 | 6375 | Learning Research & Development Center | | 4049 | 5466 | 2538 | 3879 |
| 966 | 6237 | Lebanon VA Medical Center | | 6138 | 7193 | 2538 | 3191 |
| 967 | 4457 | Lexington VA Medical Center | | 6479 | 6436 | 2538 | 2555 |
| 968 | 724 | Library of Congress | | 9 | 5 | 2394 | 3879 |
| 969 | 1883 | Lifespan | | 1703 | 807 | 475 | 3879 |
| 970 | 6969 | Lincoln Medical and Mental Health Center | | 7155 | 6193 | 2538 | 3879 |
| 971 | 6476 | Lithuanian Research and Studies Center Chicago | | 4893 | 5573 | 2538 | 3879 |
| 972 | 322 | London Health Sciences Centre | | 1129 | 901 | 166 | 438 |
| 973 | 1566 | Long Beach Memorial Medical Center | | 1341 | 931 | 2538 | 2510 |
| 974 | 3086 | Long Term Ecological Research Network | | 792 | 913 | 2538 | 3879 |
| 975 | 26 | Los Alamos National Laboratory | | 246 | 66 | 20 | 62 |
| 976 | 579 | Los Angeles Biomedical Research Institute | | 4731 | 1853 | 662 | 469 |
| 977 | 7709 | Louis A Johnson VA Medical Center Clarksburg | | 6584 | 7487 | 2538 | 3879 |
| 978 | 2445 | Louis Stokes Cleveland VA Medical Center | | 6295 | 6045 | 2538 | 698 |
| 979 | 781 | Louisiana State University Agricultural Center | | 427 | 514 | 2538 | 1015 |
| 980 | 1656 | Louisiana Universities Marine Consortium | | 4805 | 1982 | 1684 | 2733 |
| 981 | 5126 | Louisville Metabolic and Atherosclerosis Research Center | | 7775 | 7018 | 2538 | 2510 |
| 982 | 3438 | Louisville VA Medical Center | | 6442 | 6006 | 2538 | 1891 |
| 983 | 2295 | Lovelace Respiratory Research Institute | | 7576 | 3506 | 2411 | 2249 |
| 984 | 732 | Lowell Observatory | | 2221 | 579 | 2024 | 1581 |
| 985 | 2040 | Loyola Law School los Angeles | | 1267 | 605 | 1848 | 3879 |
| 986 | 696 | Loyola University Medical Center | | 2481 | 836 | 2538 | 390 |
| 987 | 1067 | Ludwig Institute for Cancer Research São Paulo | | 5123 | 1904 | 2538 | 428 |
| 988 | 1193 | Lunar and Planetary Institute | | 262 | 2158 | 2086 | 1556 |
| 989 | 7179 | Lunar Research Institute | | 7472 | 6481 | 2538 | 3879 |
| 990 | 5602 | Luquillo Experimental Forest Long Term Ecological Research Network |  | 3823 | 4336 | 2538 | 3879 |
| 991 | 259 | Lurie Children's Hospital of Chicago (Children's Memorial Hospital) | | 1458 | 566 | 741 | 324 |
| 992 | 6265 | Lynn Health Science Institute | | 7630 | 6257 | 2538 | 3509 |
| 993 | 1645 | Magee-Womens Research Institute | | 6138 | 2922 | 2538 | 1057 |
| 994 | 924 | Maimonides Medical Center Brooklyn New York | | 3327 | 1412 | 1598 | 1490 |
| 995 | 6307 | Maine Center for Cancer Medicine and Blood Disorders | | 7061 | 5101 | 2538 | 3879 |
| 996 | 5500 | Maine Environmental Policy Institute | | 6997 | 3857 | 2538 | 3879 |
| 997 | 1299 | Maine Health | | 1771 | 854 | 2538 | 1960 |
| 998 | 1860 | Maine Medical Center Research Institute | | 4969 | 2981 | 2538 | 1518 |
| 999 | 3981 | Mallinckrodt Institute of Radiology | | 4468 | 4515 | 778 | 3879 |
| 1000 | 4534 | Marcus Institute | | 6475 | 2547 | 2538 | 3879 |
