| 901 | 2994 | Environmental Law Institute | 1610 | 797 | 2538 | 3879 |
| 902 | 4844 | Englewood Hospital and Medical Center | 7480 | 2863 | 2538 | 3879 |
| 903 | 2402 | Employee Benefit Research Institute | 2546 | 322 | 2538 | 3879 |
| 904 | 7773 | Emory Marketing Institute | 7654 | 7506 | 2538 | 3879 |
| 905 | 428 | Electric Power Research Institute | 1360 | 357 | 1021 | 1227 |
| 906 | 7357 | El Paso VA Health Care System | 7180 | 6819 | 2538 | 3879 |
| 907 | 5201 | Eisenhower Health Eisenhower Medical Center | 2425 | 3839 | 2538 | 3879 |
| 908 | 4003 | Egg Nutrition Center | 4860 | 1861 | 2538 | 3879 |
| 909 | 187 | Education Testing Service | 1007 | 33 | 362 | 1611 |
| 910 | 1835 | Education Development Center Inc | 942 | 318 | 2157 | 3879 |
| 911 | 2504 | Edison Welding Institute | 3838 | 1796 | 2164 | 3509 |
| 912 | 2708 | Edison Electric Institute | 2015 | 558 | 2538 | 3879 |
| 913 | 7212 | Edgewood Chemical Biological Center | 5998 | 6676 | 2538 | 3879 |
| 914 | 2958 | ECRI Institute | 2275 | 742 | 2538 | 3879 |
| 915 | 6684 | Ecostudies Institute | 6954 | 5729 | 2538 | 3879 |
| 916 | 1520 | Economic Research Service US Department of Agriculture | 1038 | 440 | 236 | 3879 |
| 917 | 1764 | Economic Policy Institute | 1475 | 89 | 2538 | 3879 |
| 918 | 2419 | Eastern Colorado VA Health Care System | 6883 | 6168 | 2538 | 596 |
| 919 | 2571 | East-West Center | 1751 | 453 | 2538 | 3879 |
| 920 | 2482 | Earthwatch Institute | 2762 | 360 | 2538 | 3879 |
| 921 | 3226 | Earth and Space Research | 6748 | 2550 | 2538 | 3252 |
| 922 | 7994 | Durham HSR&D | 7487 | 7945 | 2538 | 3879 |
| 923 | 2278 | Duke Health | 1440 | 283 | 2538 | 3879 |
| 924 | 3873 | Duke Clinical Research Institute | 3229 | 1775 | 2538 | 3879 |
| 925 | 7845 | Drylands Institute | 8091 | 7415 | 2538 | 3879 |
| 926 | 3631 | Dorn VA Medical Center | 6555 | 6367 | 2538 | 1856 |
| 927 | 567 | Donald Danforth Plant Science Center | 1886 | 1187 | 582 | 956 |
| 928 | 778 | DOE Joint Genome Institute | 229 | 964 | 2538 | 570 |
| 929 | 3708 | DoD Food Analysis and Diagnostics | 3653 | 1518 | 2538 | 3879 |
| 930 | 268 | Dignity Health North State | 697 | 368 | 918 | 509 |
| 931 | 1839 | Diabetes Research Institute | 4091 | 1044 | 2538 | 2782 |
| 932 | 6743 | Diabetes & Glandular Disease Clinic of San Antonio | 7823 | 5652 | 2538 | 3879 |
| 933 | 504 | Detroit Medical Center | 2775 | 1103 | 1343 | 548 |
| 934 | 317 | Desert Research Institute | 661 | 373 | 397 | 927 |
| 935 | 6442 | Desert Orthopaedic Center | 6407 | 5402 | 2538 | 3879 |
| 936 | 5026 | DermSurgery Associates | 5382 | 5341 | 2538 | 3410 |
| 937 | 878 | Denver Health Medical Center | 2794 | 1125 | 2538 | 571 |
| 938 | 6695 | Delaware Orthopaedic Center | 6846 | 5759 | 2538 | 3879 |
| 939 | 2302 | Defense Information Systems Agency | 1144 | 297 | 2538 | 3879 |
| 940 | 1249 | Defense Advanced Research Projects Agency | 3048 | 80 | 1468 | 3879 |
| 941 | 4395 | Decision Sciences Institute | 4969 | 2452 | 2538 | 3879 |
| 942 | 4695 | Deborah Heart and Lung Center | 5824 | 2877 | 2538 | 3879 |
| 943 | 3813 | Deaconess Health System | 3193 | 1698 | 2538 | 3879 |
| 944 | 4792 | Dayton VA Medical Center | 5859 | 6072 | 2538 | 3034 |
| 945 | 3002 | David and Lucile Packard Foundation | 2535 | 773 | 2538 | 3879 |
| 946 | 2510 | Dauphin Island Sea Lab | 3464 | 1316 | 1431 | 3879 |
| 947 | 533 | Dartmouth-Hitchcock Medical Center | 1188 | 633 | 2538 | 305 |
| 948 | 179 | Dana Farber Cancer Institute | 1875 | 226 | 2538 | 31 |
| 949 | 5785 | Dallas Veterinary Surgical Center | 7007 | 4313 | 2538 | 3879 |
| 950 | 6594 | Critical Illness and Trauma Foundation | 7589 | 5448 | 2538 | 3879 |
| 951 | 3429 | Cox Health | 2939 | 1221 | 2538 | 3879 |
| 952 | 5092 | Corporation for National Research Initiatives | 6203 | 3394 | 2538 | 3879 |
| 953 | 2548 | Cornell Lab of Ornithology | 479 | 500 | 2538 | 3879 |
| 954 | 5399 | Cornea Research Foundation America | 6695 | 3764 | 2538 | 3879 |
| 955 | 2778 | Coriell Institute for Medical Research | 647 | 1418 | 2129 | 3879 |
| 956 | 4652 | Core Institute | 4287 | 2920 | 2538 | 3879 |
| 957 | 2034 | Cooperative Association for Internet Data Analysis | 652 | 418 | 2290 | 3879 |
| 958 | 1244 | Cooper University Hospital | 1129 | 1149 | 2538 | 1480 |
| 959 | 1995 | Cooper Institute | 4431 | 1065 | 2538 | 2981 |
| 960 | 3771 | Cooper Aerobics Cooper Clinic | 3529 | 1613 | 2538 | 3879 |
| 961 | 1281 | Conservation International | 1877 | 149 | 632 | 3879 |
| 962 | 2892 | Conservation Fund | 2182 | 701 | 2538 | 3879 |
| 963 | 4468 | Conservation Biology Institute | 4049 | 2653 | 2538 | 3879 |
| 964 | 4030 | CONRAD | 7288 | 3101 | 2538 | 3509 |
| 965 | 773 | Connecticut Children's Medical Center | 1494 | 1343 | 1562 | 1069 |
| 966 | 2925 | Concord Hospital | 3934 | 1950 | 2538 | 3316 |
| 967 | 2170 | Competitive Enterprise Institute | 805 | 240 | 2538 | 3879 |
| 968 | 7003 | Columbia Skin Clinic | 6380 | 6316 | 2538 | 3879 |
| 969 | 5182 | Colorado Neurological Institute | 6598 | 3452 | 2538 | 3879 |
| 970 | 7758 | Colorado Joint Replacement | 7954 | 7355 | 2538 | 3879 |
| 971 | 3948 | Colorado Health Foundation | 4022 | 1834 | 2538 | 3879 |
| 972 | 7483 | Colon and Rectal Clinic of Orlando | 7712 | 6958 | 2538 | 3879 |
| 973 | 133 | Cold Spring Harbor Laboratory | 602 | 186 | 104 | 411 |
| 974 | 6733 | Coatesville VA Medical Center | 6910 | 6576 | 2538 | 3660 |
| 975 | 4297 | Clinical Trial and Statistical Applications Innovations | 4122 | 2383 | 2538 | 3879 |
| 976 | 8101 | Clinical Epidemiology Research Center at the VA Connecticut | 7897 | 8081 | 2538 | 3879 |
| 977 | 1632 | Cleveland Museum of Natural History | 1231 | 678 | 1855 | 3509 |
| 978 | 89 | Cleveland Clinic | 340 | 41 | 2538 | 34 |
| 979 | 2181 | Clay Mathematics Institute | 2648 | 414 | 2538 | 3660 |
| 980 | 381 | City of Hope National Medical Center Duarte | 1562 | 325 | 2538 | 203 |
| 981 | 220 | Cincinnati Children's Hospital Medical Center | 863 | 223 | 2538 | 75 |
| 982 | 7137 | Chronic Disease Research Group | 7389 | 6417 | 2538 | 3879 |
| 983 | 6127 | Christine M Kleinert Institute for Hand and Microsurgery | 7155 | 4785 | 2538 | 3879 |
| 984 | 6341 | Christiana Spine Center | 7428 | 5085 | 2538 | 3879 |
| 985 | 627 | Childrens Hospital Wisconsin | 1658 | 673 | 2354 | 861 |
| 986 | 471 | Childrens Hospital los Angeles | 1581 | 409 | 2538 | 323 |
| 987 | 2089 | Children's Oncology Group | 5579 | 1369 | 2538 | 2822 |
| 988 | 177 | Children's National Medical Center | 1103 | 432 | 398 | 207 |
| 989 | 720 | Children's Mercy Hospital | 1433 | 733 | 2538 | 543 |
| 990 | 617 | Children's Medical Center Dallas | 1751 | 719 | 2152 | 940 |
| 991 | 1582 | Children's Hospital of the King's Daughters | 1801 | 1240 | 2538 | 2188 |
| 992 | 1789 | Children's Hospital of Pittsburgh | 2594 | 635 | 512 | 3879 |
| 993 | 43 | Children's Hospital of Philadelphia | 527 | 138 | 47 | 74 |
| 994 | 3724 | Children's Hospital of Michigan | 2870 | 1589 | 2538 | 3879 |
| 995 | 2800 | Children's Hospital Oakland Research Institute | 4658 | 2021 | 864 | 3879 |
| 996 | 132 | Children's Hospital Boston | 378 | 144 | 2538 | 37 |
| 997 | 1247 | Children's Hospital & Research Center at Oakland | 3750 | 928 | 2538 | 1605 |
| 998 | 119 | Children's Hospital & Regional Medical Center | 1291 | 256 | 404 | 150 |
| 999 | 1546 | CHI Saint Luke's Episcopal Health System Texas | 3092 | 1591 | 2538 | 1813 |
| 1000 | 7292 | Cheyenne VA Medical Center | 6979 | 6742 | 2538 | 3879 |
