| 501 | 2971 | Rogosin Institute | 6501 | 4064 | 2538 | 2408 |
| 502 | 2979 | Audubon Nature Institute | 4426 | 698 | 2538 | 3879 |
| 503 | 2979 | William S. Middleton Memorial Veterans Hospital | 6082 | 6464 | 2538 | 1007 |
| 504 | 2984 | Mount Washington Observatory | 5489 | 662 | 2538 | 3879 |
| 505 | 2994 | Environmental Law Institute | 1610 | 797 | 2538 | 3879 |
| 506 | 2994 | Ethics and Public Policy Center | 2178 | 778 | 2538 | 3879 |
| 507 | 3002 | David and Lucile Packard Foundation | 2535 | 773 | 2538 | 3879 |
| 508 | 3007 | VA Long Beach Healthcare System | 6758 | 5932 | 2538 | 1380 |
| 509 | 3007 | Essential Health (Duluth Clinic Health System) | 2162 | 1396 | 2311 | 3879 |
| 510 | 3014 | Florida Orthopaedic Institute | 5007 | 3188 | 2538 | 2919 |
| 511 | 3024 | VA Medical Center Providence Rhode Island | 5798 | 6551 | 2538 | 1015 |
| 512 | 3032 | Alliance for Aging Research | 4154 | 1191 | 2538 | 3660 |
| 513 | 3039 | Central Arkansas Veterans Healthcare System | 6820 | 6165 | 2538 | 1236 |
| 514 | 3046 | American Geosciences Institute (American Geological Institute) | 919 | 874 | 2538 | 3879 |
| 515 | 3046 | Property and Environment Research Center | 3062 | 790 | 2538 | 3879 |
| 516 | 3054 | Gulf Maine Research Institute | 3434 | 1488 | 2224 | 3879 |
| 517 | 3068 | ETR Associates | 2224 | 1305 | 2538 | 3660 |
| 518 | 3068 | National Tropical Botanical Garden | 3600 | 786 | 2538 | 3879 |
| 519 | 3073 | Memphis VA Medical Center | 6768 | 6347 | 2538 | 1153 |
| 520 | 3073 | Water Research Foundation AWWA | 1368 | 1365 | 2538 | 3660 |
| 521 | 3078 | Catholic Health Association | 1398 | 870 | 2538 | 3879 |
| 522 | 3078 | Westchester County Medical Center | 2923 | 1664 | 2538 | 3509 |
| 523 | 3084 | Texas Back Institute | 5062 | 2585 | 2538 | 3191 |
| 524 | 3086 | Long Term Ecological Research Network | 792 | 913 | 2538 | 3879 |
| 525 | 3087 | Good Samaritan Hospital los Angeles | 6412 | 2266 | 2538 | 3252 |
| 526 | 3097 | Hunter Holmes McGuire Richmond VA Medical Center | 5336 | 6326 | 2538 | 1292 |
| 527 | 3103 | Center for Applied Genomics | 6620 | 5452 | 2538 | 1813 |
| 528 | 3108 | Jefferson University Hospitals (Thomas Jefferson University Hospital) | 2134 | 879 | 2538 | 3879 |
| 529 | 3110 | Oregon Institute of Science and Medicine | 6107 | 741 | 2538 | 3879 |
| 530 | 3116 | National Center for Ecological Analysis and Synthesis | 1484 | 2718 | 1102 | 3879 |
| 531 | 3118 | Hines VA Hospital | 5952 | 6506 | 2538 | 1136 |
| 532 | 3125 | James J. Peters VA Medical Center Bronx NY | 6779 | 6927 | 2538 | 839 |
| 533 | 3125 | National Childhood Cancer Foundation | 3486 | 850 | 2538 | 3879 |
| 534 | 3134 | Mclean Hospital | 3119 | 871 | 2538 | 3879 |
| 535 | 3140 | VA Medical Center White River Junction Vermont | 6971 | 5896 | 2538 | 1545 |
| 536 | 3142 | VA Medical Center St Louis Missouri | 6327 | 6383 | 2538 | 1246 |
| 537 | 3143 | Institute of Mathematical Statistics | 2223 | 907 | 2538 | 3879 |
| 538 | 3149 | VA Northern California Health Care System | 6151 | 6356 | 2538 | 1300 |
| 539 | 3152 | High Scope Educational Research Foundation | 4884 | 823 | 2538 | 3879 |
| 540 | 3158 | New York Eye Cancer Center | 5879 | 2229 | 2538 | 3316 |
| 541 | 3162 | Barrow Neurological Institute of Saint Joseph's Hospital | 3386 | 1193 | 2478 | 3879 |
| 542 | 3171 | William Sansum Diabetes Center | 6501 | 3858 | 2538 | 2696 |
| 543 | 3171 | Mason Research Institute | 4122 | 2382 | 1484 | 3879 |
| 544 | 3200 | National Academy for State Health Policy | 2614 | 944 | 2538 | 3879 |
| 545 | 3207 | Iowa City VA Medical Center | 6654 | 6847 | 2538 | 964 |
| 546 | 3207 | Kerlan-Jobe Orthopaedic Clinic | 6890 | 3288 | 2538 | 2981 |
| 547 | 3207 | National Academy of Social Insurance | 3056 | 932 | 2538 | 3879 |
| 548 | 3212 | Miami VA Healthcare System | 6726 | 6424 | 2538 | 1288 |
| 549 | 3212 | VA Nebraska-Western Iowa Health Care System | 5311 | 6187 | 2538 | 1538 |
| 550 | 3226 | Earth and Space Research | 6748 | 2550 | 2538 | 3252 |
| 551 | 3232 | Center for the Advancement of Health | 4187 | 927 | 2538 | 3879 |
| 552 | 3247 | Central Texas Veterans Health Care System | 6371 | 6085 | 2538 | 1590 |
| 553 | 3261 | Wildlife Center of Virginia | 2454 | 1015 | 2538 | 3879 |
| 554 | 3267 | Vitalant Research Institute (Blood Systems Research Institute) | 7311 | 6494 | 2538 | 1227 |
| 555 | 3267 | Carolina Population Center | 967 | 4120 | 2538 | 2919 |
| 556 | 3271 | UAB Medicine | 1544 | 1085 | 2538 | 3879 |
| 557 | 3277 | Saint Luke's Hospitals and Health Care in Idaho | 1484 | 1095 | 2538 | 3879 |
| 558 | 3284 | Southern California Coastal Water Research Project | 2418 | 2988 | 1131 | 3879 |
| 559 | 3291 | Masonic Medical Research Laboratory | 7292 | 3841 | 2538 | 2782 |
| 560 | 3295 | Ohio Supercomputer Center | 2823 | 1052 | 2538 | 3879 |
| 561 | 3295 | Alaska Sea Life Center | 4935 | 1157 | 2509 | 3879 |
| 562 | 3295 | Barnes Jewish Hospital | 1868 | 1102 | 2538 | 3879 |
| 563 | 3300 | Association of Universities for Research in Astronomy | 4205 | 1001 | 2538 | 3879 |
| 564 | 3300 | Renal Research Institute | 6688 | 4593 | 2538 | 2487 |
| 565 | 3314 | Prevention Research Center | 6180 | 3868 | 2538 | 2867 |
| 566 | 3320 | Allergy Research Foundation | 5144 | 1560 | 2538 | 3660 |
| 567 | 3322 | Trudeau Institute | 7684 | 3826 | 2538 | 2782 |
| 568 | 3327 | VA Medical Center Cincinnati | 6252 | 6525 | 2538 | 1409 |
| 569 | 3330 | National Rehabilitation Hospital Research Center | 1899 | 1134 | 2538 | 3879 |
| 570 | 3341 | Altarum Institute | 3887 | 1081 | 2538 | 3879 |
| 571 | 3347 | USDA Forest Service Northern Research Station | 505 | 1252 | 2538 | 3879 |
| 572 | 3351 | Angiogenesis Foundation | 6189 | 1980 | 2538 | 3509 |
| 573 | 3353 | Office of Naval Research | 2182 | 2970 | 2538 | 3316 |
| 574 | 3365 | Fernbank Museum | 5430 | 1042 | 2538 | 3879 |
| 575 | 3372 | VA Health Care System New Mexico | 6638 | 6143 | 2538 | 1701 |
| 576 | 3388 | Yale Medicine | 1425 | 1229 | 2538 | 3879 |
| 577 | 3392 | VA Medical Center Milwaukee Wisconsin | 5123 | 6158 | 2538 | 1797 |
| 578 | 3417 | American Institute of Baking | 2526 | 1223 | 2538 | 3879 |
| 579 | 3417 | Asia Pacific Center for Security Studies | 3175 | 1192 | 2538 | 3879 |
| 580 | 3422 | Baptist Hospital | 1724 | 1254 | 2538 | 3879 |
| 581 | 3429 | Cox Health | 2939 | 1221 | 2538 | 3879 |
| 582 | 3431 | Pacific Whale Foundation | 4671 | 1152 | 2538 | 3879 |
| 583 | 3438 | Louisville VA Medical Center | 6442 | 6006 | 2538 | 1891 |
| 584 | 3443 | National Resource Center for Health Information Technology | 1689 | 1285 | 2538 | 3879 |
| 585 | 3466 | NASA Infrared Telescope Facility | 2004 | 1299 | 2538 | 3879 |
| 586 | 3469 | Boston Shriners Hospital | 8011 | 813 | 2538 | 3879 |
| 587 | 3474 | National Telecommunications and Information Administration | 735 | 1404 | 2538 | 3879 |
| 588 | 3483 | Biosphere 2 Center | 6317 | 1132 | 2538 | 3879 |
| 589 | 3520 | Gladstone Institute | 3161 | 1312 | 2538 | 3879 |
| 590 | 3520 | Savannah River Site | 2008 | 1371 | 2538 | 3879 |
| 591 | 3528 | Mount Auburn Hospital | 4122 | 1988 | 2538 | 3660 |
| 592 | 3538 | John D. Dingell VA Medical Center Detroit Michigan | 6983 | 6212 | 2538 | 1843 |
| 593 | 3538 | Kansas Health Institute | 2310 | 1383 | 2538 | 3879 |
| 594 | 3545 | Rockefeller University Hospital | 5960 | 2797 | 2538 | 3410 |
| 595 | 3562 | Prince William Sound Science Center | 2923 | 3706 | 2063 | 3660 |
| 596 | 3573 | VA Medical Center Bedford Massachusetts | 6926 | 7024 | 2538 | 1246 |
| 597 | 3574 | Neuropsychiatric Research Institute | 7285 | 6104 | 2538 | 1920 |
| 598 | 3578 | Canada France Hawaii Telescope Corporation | 1535 | 1472 | 2538 | 3879 |
| 599 | 3589 | Southwest Oncology Group | 2734 | 2175 | 2538 | 3660 |
| 600 | 3613 | Center for Behavioral Health | 3346 | 1430 | 2538 | 3879 |
