| 501 | 2963 | Mount Wilson Observatory |  | 7193 | 969 | 2538 | 3660 |
| 502 | 3068 | ETR Associates | | 2224 | 1305 | 2538 | 3660 |
| 503 | 7806 | Xenobe Research Institute | | 7856 | 7886 | 2538 | 3660 |
| 504 | 6760 | Institute for Community Research | | 7191 | 6580 | 2538 | 3660 |
| 505 | 4316 | Institute for Applied Ecology | | 4154 | 3331 | 2538 | 3660 |
| 506 | 6572 | VA Butler Healthcare | | 5476 | 6449 | 2538 | 3660 |
| 507 | 5144 | Turner Endangered Species Fund | | 6450 | 4457 | 2538 | 3660 |
| 508 | 4887 | IIT Research Institute | | 7303 | 3922 | 2538 | 3660 |
| 509 | 6391 | Hudson Valley VA Health Care System | | 6596 | 6094 | 2538 | 3660 |
| 510 | 7818 | Center for Rheumatology | | 7954 | 7844 | 2538 | 3660 |
| 511 | 6840 | Pacific Health Research and Education Institute Hawaii | | 7684 | 6601 | 2538 | 3660 |
| 512 | 6283 | Windber Research Institute | | 7684 | 5801 | 2538 | 3660 |
| 513 | 1122 | Guttmacher Institute | | 1336 | 131 | 1165 | 3660 |
| 514 | 3320 | Allergy Research Foundation | | 5144 | 1560 | 2538 | 3660 |
| 515 | 4171 | William Alanson White Institute | | 4265 | 3084 | 2538 | 3660 |
| 516 | 7242 | Oscar G. Johnson VA Medical Center | | 6295 | 7315 | 2538 | 3660 |
| 517 | 2951 | Helen Keller International | | 5160 | 1084 | 2538 | 3660 |
| 518 | 6916 | VA Medical Center Fargo North Dakota | | 6322 | 6904 | 2538 | 3660 |
| 519 | 3589 | Southwest Oncology Group | | 2734 | 2175 | 2538 | 3660 |
| 520 | 2921 | Archbold Biological Station | | 2452 | 2345 | 2093 | 3660 |
| 521 | 6862 | VA Illiana Health Care System Danville Illinois | | 6820 | 6771 | 2538 | 3660 |
| 522 | 6459 | Plasma Proteome Institute | | 6651 | 6197 | 2538 | 3660 |
| 523 | 5217 | Perry Institute for Marine Science | | 6273 | 4562 | 2538 | 3660 |
| 524 | 3073 | Water Research Foundation AWWA | | 1368 | 1365 | 2538 | 3660 |
| 525 | 3032 | Alliance for Aging Research | | 4154 | 1191 | 2538 | 3660 |
| 526 | 7935 | VA HSR&D/RR&D Rehabilitation Outcomes Research Center | | 8011 | 7674 | 2538 | 3879 |
| 527 | 6512 | Miami Heart Research Institute | | 6983 | 5427 | 2538 | 3879 |
| 528 | 1177 | Pacific Northwest National Laboratory | | 441 | 211 | 27 | 3879 |
| 529 | 2302 | Defense Information Systems Agency | | 1144 | 297 | 2538 | 3879 |
| 530 | 7697 | Proteogenomics Research Institute for Systems Medicine | | 7904 | 7270 | 2538 | 3879 |
| 531 | 4404 | Central Institute for the Deaf St Louis | | 4893 | 2469 | 2538 | 3879 |
| 532 | 4937 | Ogden Clinic | | 5040 | 3284 | 2538 | 3879 |
| 533 | 5092 | Corporation for National Research Initiatives | | 6203 | 3394 | 2538 | 3879 |
| 534 | 4895 | Winthrop P. Rockefeller Cancer Institute University of Arkansas Medical Sciences | | 4416 | 3281 | 2538 | 3879 |
| 535 | 5924 | Jeffrey Modell Foundation | | 7707 | 4380 | 2538 | 3879 |
| 536 | 4389 | National Institute of Statistical Sciences | | 3730 | 2538 | 2538 | 3879 |
| 537 | 2930 | Kessler Foundation | | 3920 | 1831 | 1630 | 3879 |
| 538 | 2425 | World Policy Institute | | 1713 | 350 | 2538 | 3879 |
| 539 | 7061 | Black Hills Center for American Indian Health | | 7696 | 6220 | 2538 | 3879 |
| 540 | 4514 | NASA Langley Research Center | | 594 | 3038 | 2538 | 3879 |
| 541 | 6471 | US Army Medical Research Institute of Infectious Diseases | | 7233 | 5322 | 2538 | 3879 |
| 542 | 3909 | Mcleod Health | | 2062 | 1910 | 2538 | 3879 |
| 543 | 4461 | Virginia Bioinformatics Institute | | 2946 | 4044 | 2249 | 3879 |
| 544 | 3742 | Hughston Clinic | | 4235 | 1533 | 2538 | 3879 |
| 545 | 7896 | Center of Excellence for Limb Loss Prevention and Prosthetic | | 7482 | 7783 | 2538 | 3879 |
| 546 | 7546 | Arkansas Foot and Ankle Clinic | | 7879 | 7003 | 2538 | 3879 |
| 547 | 4433 | Steadman Clinic | | 6560 | 2376 | 2538 | 3879 |
| 548 | 4555 | Robert Graham Center | | 4304 | 2767 | 2538 | 3879 |
| 549 | 7988 | Health Care Financing & Economics | | 8011 | 7805 | 2538 | 3879 |
| 550 | 7405 | National Center for Ethics in Health Care | | 5336 | 7056 | 2538 | 3879 |
| 551 | 4359 | Riverside Research Institute | | 6103 | 4142 | 1903 | 3879 |
| 552 | 3365 | Fernbank Museum | | 5430 | 1042 | 2538 | 3879 |
| 553 | 7396 | Veterans Rural Health Resource Center Western Region | | 5942 | 7008 | 2538 | 3879 |
| 554 | 6572 | Pacific International Center for High Technology Research | | 6430 | 5601 | 2538 | 3879 |
| 555 | 3830 | Potomac Institute for Policy Studies | | 3185 | 1728 | 2538 | 3879 |
| 556 | 8018 | Center for Healthcare Organization and Implementation Research | | 6907 | 7996 | 2538 | 3879 |
| 557 | 6594 | Critical Illness and Trauma Foundation | | 7589 | 5448 | 2538 | 3879 |
| 558 | 6643 | National Pediatric Myoclonus Center | | 7532 | 5567 | 2538 | 3879 |
| 559 | 2603 | Center for Applied Linguistics | | 2196 | 464 | 2538 | 3879 |
| 560 | 4196 | Kantar Health (Consumer Health Sciences) | | 4514 | 2154 | 2538 | 3879 |
| 561 | 1818 | Woodrow Wilson International Center for Scholars | | 357 | 116 | 2538 | 3879 |
| 562 | 3483 | Biosphere 2 Center | | 6317 | 1132 | 2538 | 3879 |
| 563 | 7776 | Utah Bone & Joint Center | | 7851 | 7460 | 2538 | 3879 |
| 564 | 7930 | VA Healthcare System of Ohio, Indiana and Michigan | | 7436 | 7852 | 2538 | 3879 |
| 565 | 2882 | International Center for Research on Women | | 3473 | 652 | 2538 | 3879 |
| 566 | 3143 | Institute of Mathematical Statistics | | 2223 | 907 | 2538 | 3879 |
| 567 | 4074 | Asphalt Institute | | 5995 | 1879 | 2538 | 3879 |
| 568 | 1907 | Transportation Research Board | | 32 | 185 | 2538 | 3879 |
| 569 | 7488 | Hebrew Hospital | | 7247 | 7033 | 2538 | 3879 |
| 570 | 3520 | Savannah River Site | | 2008 | 1371 | 2538 | 3879 |
| 571 | 7082 | Tripler Army Medical Center | | 4983 | 6516 | 2538 | 3879 |
| 572 | 7076 | USGS National Fisheries Research Center Great Lakes | | 5512 | 6477 | 2538 | 3879 |
| 573 | 7212 | Edgewood Chemical Biological Center | | 5998 | 6676 | 2538 | 3879 |
| 574 | 1520 | Economic Research Service US Department of Agriculture | | 1038 | 440 | 236 | 3879 |
| 575 | 6672 | Retina Research Foundation | | 7159 | 5694 | 2538 | 3879 |
| 576 | 1281 | Conservation International | | 1877 | 149 | 632 | 3879 |
| 577 | 3708 | DoD Food Analysis and Diagnostics | | 3653 | 1518 | 2538 | 3879 |
| 578 | 7999 | Center for Chronic Disease Outcomes Research | | 7607 | 7952 | 2538 | 3879 |
| 579 | 6307 | Maine Center for Cancer Medicine and Blood Disorders | | 7061 | 5101 | 2538 | 3879 |
| 580 | 7820 | VA Midwest Health Care Network VISN 23 | | 7030 | 7645 | 2538 | 3879 |
| 581 | 6261 | Autonomous Undersea Systems Institute | | 7598 | 4905 | 2538 | 3879 |
| 582 | 6773 | Intermountain Allergy and Asthma | | 7417 | 5805 | 2538 | 3879 |
| 583 | 4301 | Bay Medical | | 5965 | 2231 | 2538 | 3879 |
| 584 | 7728 | Health Economics Resource Center | | 6212 | 7532 | 2538 | 3879 |
| 585 | 2861 | American Iron and Steel Institute | | 2951 | 650 | 2538 | 3879 |
| 586 | 7853 | Houston VA Health Services Research and Development Center of Excellence | | 7030 | 7724 | 2538 | 3879 |
| 587 | 5081 | Saint Vincent's Catholic Medical Centers | | 7930 | 2891 | 2538 | 3879 |
| 588 | 2522 | Foreign Policy Research Institute | | 1658 | 423 | 2538 | 3879 |
| 589 | 1111 | Getty | | 126 | 42 | 1972 | 3879 |
| 590 | 5955 | Semmes-Murphy Neurologic and Spine Institute | | 6676 | 4611 | 2538 | 3879 |
| 591 | 2278 | Duke Health | | 1440 | 283 | 2538 | 3879 |
| 592 | 3774 | National Center for Posttraumatic Stress Disorder | | 3434 | 1626 | 2538 | 3879 |
| 593 | 2994 | Environmental Law Institute | | 1610 | 797 | 2538 | 3879 |
| 594 | 6256 | Reproductive Genetics Institute | | 7864 | 4731 | 2538 | 3879 |
| 595 | 5776 | Oklahoma State University Medical Center | | 6695 | 4355 | 2538 | 3879 |
| 596 | 4478 | Pediatrix Medical Group | | 2679 | 2772 | 2538 | 3879 |
| 597 | 8098 | Center for Health Information and Communication | | 7744 | 8091 | 2538 | 3879 |
| 598 | 5031 | RIT National Technical Institute for the Deaf | | 2379 | 3612 | 2538 | 3879 |
| 599 | 4450 | International Heart Institute Montana Foundation | | 5535 | 2494 | 2538 | 3879 |
| 600 | 6442 | Western Montana Clinic | | 6720 | 5364 | 2538 | 3879 |
