| 501 | 4797 | Gulf Coast Veterinary Specialists |  | 6920 | 2902 | 2538 | 3879 |
| 502 | 2783 | VA NY Harbor Healthcare System | | 5160 | 6444 | 2538 | 900 |
| 503 | 6442 | Desert Orthopaedic Center | | 6407 | 5402 | 2538 | 3879 |
| 504 | 3232 | Center for the Advancement of Health | | 4187 | 927 | 2538 | 3879 |
| 505 | 6760 | VA Office of Information & Technology | | 633 | 6338 | 2538 | 3879 |
| 506 | 1184 | National Institute of Dental and Craniofacial Research | | 3202 | 1609 | 2538 | 834 |
| 507 | 6733 | Coatesville VA Medical Center | | 6910 | 6576 | 2538 | 3660 |
| 508 | 2236 | VA Boston Healthcare System | | 5535 | 5616 | 2538 | 728 |
| 509 | 279 | National Library of Medicine | | 3 | 119 | 2538 | 537 |
| 510 | 1244 | Cooper University Hospital | | 1129 | 1149 | 2538 | 1480 |
| 511 | 7503 | Robert J. Dole VA Medical Center Wichita Kansas | | 7041 | 7082 | 2538 | 3879 |
| 512 | 8138 | Walter Reed Army Institute of Research | | 8091 | 8138 | 2538 | 3879 |
| 513 | 4088 | United States Naval Observatory | | 403 | 2432 | 2538 | 3879 |
| 514 | 3788 | Versiti (BloodCenter of Wisconsin) | | 3570 | 1631 | 2538 | 3879 |
| 515 | 5144 | Turner Endangered Species Fund | | 6450 | 4457 | 2538 | 3660 |
| 516 | 7637 | Lake Champlain Gynecologic Oncology | | 7676 | 7254 | 2538 | 3879 |
| 517 | 7320 | Tomah VA Medical Center | | 6364 | 6847 | 2538 | 3879 |
| 518 | 5699 | Minneapolis Heart Institute | | 5940 | 4317 | 2538 | 3879 |
| 519 | 5836 | Tuscaloosa VA Medical Center | | 6638 | 6613 | 2538 | 3252 |
| 520 | 4836 | University of Pittsburgh Cancer Institute | | 6678 | 2983 | 2538 | 3879 |
| 521 | 714 | Massachusetts Eye and Ear Infirmary | | 2895 | 834 | 2538 | 408 |
| 522 | 3807 | James S McDonnell Foundation | | 4768 | 1596 | 2538 | 3879 |
| 523 | 6206 | Synexus Clinic (Radiant Research) | | 6299 | 5043 | 2538 | 3879 |
| 524 | 7634 | VA Medical Center Beckley West Virginia | | 7339 | 7303 | 2538 | 3879 |
| 525 | 5059 | Kuakini Health System | | 4565 | 3479 | 2538 | 3879 |
| 526 | 4332 | International Anesthesia Research Society | | 5651 | 2309 | 2538 | 3879 |
| 527 | 3899 | Institute for Molecular Manufacturing | | 7498 | 2286 | 2538 | 3660 |
| 528 | 4525 | Queen's Medical Center Honolulu Hawaii | | 6809 | 2486 | 2538 | 3879 |
| 529 | 3634 | Gas Technology Institute | | 5524 | 1341 | 2538 | 3879 |
| 530 | 5028 | VA Office of Research & Development | | 560 | 3820 | 2538 | 3879 |
| 531 | 7979 | VA Heart of Texas Health Care Network | | 7676 | 7908 | 2538 | 3879 |
| 532 | 2614 | Pacific Institute for Studies in Development Environment and Security | | 2749 | 458 | 2538 | 3879 |
| 533 | 1580 | Exploratorium Museum of Science Art and Human Perception | | 975 | 51 | 2538 | 3879 |
| 534 | 3046 | Property and Environment Research Center | | 3062 | 790 | 2538 | 3879 |
| 535 | 6718 | Florida Institute of Phosphate Research | | 5794 | 5888 | 2538 | 3879 |
| 536 | 5488 | Campbell Clinic Medical Center | | 5844 | 3992 | 2538 | 3879 |
| 537 | 6304 | Olin Neuropsychiatry Research Center | | 7137 | 5079 | 2538 | 3879 |
| 538 | 3880 | Catholic Health Initiatives | | 2917 | 1812 | 2538 | 3879 |
| 539 | 4099 | Northwest Hospital & Medical Center | | 4022 | 2064 | 2538 | 3879 |
| 540 | 1839 | Diabetes Research Institute | | 4091 | 1044 | 2538 | 2782 |
| 541 | 1593 | National Evolutionary Synthesis Center | | 4029 | 1578 | 2538 | 1906 |
| 542 | 1566 | National Institute of Biomedical Imaging and Bioengineering | | 2349 | 3675 | 2538 | 711 |
| 543 | 8022 | Center for Management of Complex Chronic Care | | 7630 | 7977 | 2538 | 3879 |
| 544 | 6853 | VA Medical Center Washington DC | | 4860 | 6177 | 2538 | 3879 |
| 545 | 3140 | VA Medical Center White River Junction Vermont | | 6971 | 5896 | 2538 | 1545 |
| 546 | 2596 | Mathematical Sciences Research Institute | | 610 | 523 | 2538 | 3879 |
| 547 | 6442 | VA Medical Center Manchester New Hampshire | | 7030 | 6569 | 2538 | 3509 |
| 548 | 6015 | US Army Institute of Surgical Research | | 5789 | 4788 | 2538 | 3879 |
| 549 | 3134 | Mclean Hospital | | 3119 | 871 | 2538 | 3879 |
| 550 | 2979 | Audubon Nature Institute | | 4426 | 698 | 2538 | 3879 |
| 551 | 2808 | Samueli Institute | | 5708 | 3271 | 2538 | 2653 |
| 552 | 8001 | Seattle Epidemiologic Research and Information Center | | 7634 | 7953 | 2538 | 3879 |
| 553 | 6332 | Providence Medical Group (South Carolina Heart Center) | | 6832 | 5185 | 2538 | 3879 |
| 554 | 4739 | Gynecology Oncology Group | | 6269 | 2901 | 2538 | 3879 |
| 555 | 3295 | Ohio Supercomputer Center | | 2823 | 1052 | 2538 | 3879 |
| 556 | 6825 | Trinity Regional Hospital Fort Dodge | | 7475 | 5883 | 2538 | 3879 |
| 557 | 3722 | Food and Drug Law Institute | | 4634 | 1489 | 2538 | 3879 |
| 558 | 6572 | VA Butler Healthcare | | 5476 | 6449 | 2538 | 3660 |
| 559 | 4797 | Cardiovascular Institute of the South | | 6019 | 2996 | 2538 | 3879 |
| 560 | 4695 | Deborah Heart and Lung Center | | 5824 | 2877 | 2538 | 3879 |
| 561 | 1582 | Children's Hospital of the King's Daughters | | 1801 | 1240 | 2538 | 2188 |
| 562 | 994 | Cancer Institute of New Jersey | | 2988 | 1515 | 2538 | 550 |
| 563 | 7869 | VA MidSouth Healthcare Network VISN 9 | | 7266 | 7737 | 2538 | 3879 |
| 564 | 3291 | Masonic Medical Research Laboratory | | 7292 | 3841 | 2538 | 2782 |
| 565 | 7483 | Wesley Neurology Clinic | | 7623 | 6979 | 2538 | 3879 |
| 566 | 109 | Brigham and Women's Hospital | | 868 | 188 | 2538 | 11 |
| 567 | 4297 | New Mexico Clinical Research and Osteoporosis Center | | 7406 | 5668 | 2538 | 2822 |
| 568 | 5399 | Cornea Research Foundation America | | 6695 | 3764 | 2538 | 3879 |
| 569 | 7311 | VA Medical Center Wilmington | | 7074 | 6764 | 2538 | 3879 |
| 570 | 5059 | NASA Advanced Supercomputing Division | | 2328 | 3642 | 2538 | 3879 |
| 571 | 6283 | Windber Research Institute | | 7684 | 5801 | 2538 | 3660 |
| 572 | 4269 | National Center for Education in Maternal and Child Health | | 3870 | 2358 | 2538 | 3879 |
| 573 | 6740 | Utah State University Research Foundation | | 6966 | 7806 | 2538 | 3034 |
| 574 | 3958 | MEDNAX Phoenix Perinatal Associates | | 2469 | 1948 | 2538 | 3879 |
| 575 | 5168 | Michigan Headache & Neurological Institute | | 6987 | 3397 | 2538 | 3879 |
| 576 | 7079 | Texas Endosurgery Institute | | 7716 | 7454 | 2538 | 3410 |
| 577 | 5357 | Aldo Leopold Wilderness Research Institute | | 5336 | 3855 | 2538 | 3879 |
| 578 | 1728 | VA Greater Los Angeles Healthcare System | | 5520 | 5100 | 2538 | 356 |
| 579 | 4478 | Sonoran Institute | | 5243 | 2572 | 2538 | 3879 |
| 580 | 6988 | IRIS Independent Research | | 7752 | 6061 | 2538 | 3879 |
| 581 | 3985 | Southern Research Station USDA Forest Service | | 629 | 2167 | 2538 | 3879 |
| 582 | 5646 | American Center for Physics | | 7483 | 3986 | 2538 | 3879 |
| 583 | 4316 | Institute for Applied Ecology | | 4154 | 3331 | 2538 | 3660 |
| 584 | 1805 | Jaeb Center for Health Research | | 4622 | 3210 | 2538 | 1267 |
| 585 | 5901 | Art Science Research Laboratory | | 7230 | 4452 | 2538 | 3879 |
| 586 | 6221 | Romark Institute for Medical Research | | 7300 | 4922 | 2538 | 3879 |
| 587 | 3995 | Henry M Jackson Foundation for the Advancement of Military Medicine | | 3513 | 1941 | 2538 | 3879 |
| 588 | 3755 | Warren Clinic | | 3114 | 1610 | 2538 | 3879 |
| 589 | 5399 | Pittsburgh Mercy Health System | | 7843 | 3471 | 2538 | 3879 |
| 590 | 6322 | Forestry Sciences Laboratory | | 3336 | 6955 | 2538 | 3410 |
| 591 | 7638 | VHA National Center for Health Promotion & Disease Prevention | | 5729 | 7403 | 2538 | 3879 |
| 592 | 7139 | Glendora Community Hospital (East Valley Hospital Medical Center) | | 7081 | 6459 | 2538 | 3879 |
| 593 | 3247 | Central Texas Veterans Health Care System | | 6371 | 6085 | 2538 | 1590 |
| 594 | 7235 | Orlando Clinical Research Center | | 7368 | 6589 | 2538 | 3879 |
| 595 | 2402 | Employee Benefit Research Institute | | 2546 | 322 | 2538 | 3879 |
| 596 | 132 | Children's Hospital Boston | | 378 | 144 | 2538 | 37 |
| 597 | 6077 | Eppley Laboratory | | 7818 | 4551 | 2538 | 3879 |
| 598 | 2627 | VA Medical Center Birmingham | | 7086 | 6415 | 2538 | 661 |
| 599 | 4711 | NIH Intramural Sequencing Center | | 7684 | 7297 | 2538 | 1992 |
| 600 | 4030 | CONRAD | | 7288 | 3101 | 2538 | 3509 |
