| 501 | 3880 | Catholic Health Initiatives |  | 2917 | 1812 | 2538 | 3879 |
| 502 | 3171 | William Sansum Diabetes Center | | 6501 | 3858 | 2538 | 2696 |
| 503 | 5955 | Semmes-Murphy Neurologic and Spine Institute | | 6676 | 4611 | 2538 | 3879 |
| 504 | 1866 | Institute for Sustainable Development | | 258 | 137 | 2538 | 3879 |
| 505 | 3774 | National Center for Posttraumatic Stress Disorder | | 3434 | 1626 | 2538 | 3879 |
| 506 | 4235 | Group Health Center for Health Studies | | 5423 | 2160 | 2538 | 3879 |
| 507 | 6256 | Reproductive Genetics Institute | | 7864 | 4731 | 2538 | 3879 |
| 508 | 3443 | National Resource Center for Health Information Technology | | 1689 | 1285 | 2538 | 3879 |
| 509 | 5776 | Oklahoma State University Medical Center | | 6695 | 4355 | 2538 | 3879 |
| 510 | 4478 | Pediatrix Medical Group | | 2679 | 2772 | 2538 | 3879 |
| 511 | 4297 | Clinical Trial and Statistical Applications Innovations | | 4122 | 2383 | 2538 | 3879 |
| 512 | 7186 | Ocala Heart and Vascular Institute | | 7553 | 6471 | 2538 | 3879 |
| 513 | 2355 | VA Medical Center Durham North Carolina | | 5893 | 6238 | 2538 | 541 |
| 514 | 7624 | Ontario Hydro Energy | | 8091 | 6958 | 2538 | 3879 |
| 515 | 4844 | Englewood Hospital and Medical Center | | 7480 | 2863 | 2538 | 3879 |
| 516 | 4996 | National Center on Minority Health and Health Disparities | | 4514 | 3393 | 2538 | 3879 |
| 517 | 6796 | Chalmers P. Wylie VA Ambulatory Care Center in Columbus | | 7106 | 7035 | 2538 | 3509 |
| 518 | 7279 | US Naval Observatory Flagstaff Station | | 7570 | 6630 | 2538 | 3879 |
| 519 | 2451 | Cancer Research and Biostatistics | | 5993 | 3536 | 2538 | 2077 |
| 520 | 6383 | Western Kansas Agricultural Research Centers | | 7655 | 5081 | 2538 | 3879 |
| 521 | 7503 | Nashville Neuroscience Group | | 7785 | 6958 | 2538 | 3879 |
| 522 | 3388 | Yale Medicine | | 1425 | 1229 | 2538 | 3879 |
| 523 | 7744 | National Center for Rehabilitative Auditory Research | | 6485 | 7558 | 2538 | 3879 |
| 524 | 1566 | Long Beach Memorial Medical Center | | 1341 | 931 | 2538 | 2510 |
| 525 | 7826 | VA Health Care Network South Central | | 7512 | 7605 | 2538 | 3879 |
| 526 | 3392 | VA Medical Center Milwaukee Wisconsin | | 5123 | 6158 | 2538 | 1797 |
| 527 | 3046 | American Geosciences Institute (American Geological Institute) | | 919 | 874 | 2538 | 3879 |
| 528 | 4873 | Atrium Medical Corporation | | 5893 | 3117 | 2538 | 3879 |
| 529 | 1583 | Tampa General Hospital | | 1689 | 1270 | 2538 | 2173 |
| 530 | 7732 | Bath VA Medical Center VA Healthcare Network Upstate New York | | 6832 | 7507 | 2538 | 3879 |
| 531 | 6175 | Textile Research Institute | | 6568 | 4965 | 2538 | 3879 |
| 532 | 2071 | VA Healthcare System Ann Arbor | | 6688 | 6005 | 2538 | 352 |
| 533 | 8101 | Clinical Epidemiology Research Center at the VA Connecticut | | 7897 | 8081 | 2538 | 3879 |
| 534 | 7962 | Southeastern Orthopedics Sports Medicine and Shoulder Center | | 8091 | 7707 | 2538 | 3879 |
| 535 | 6010 | Arthritis Research Center Foundation Inc | | 6096 | 4753 | 2538 | 3879 |
| 536 | 219 | Beth Israel Deaconess Medical Center | | 1182 | 312 | 2538 | 53 |
| 537 | 4254 | Space Studies Institute | | 6295 | 2120 | 2538 | 3879 |
| 538 | 109 | Brigham and Women's Hospital | | 868 | 188 | 2538 | 11 |
| 539 | 4351 | JFK Medical Center (New Jersey Neuroscience Institute) | | 3861 | 2474 | 2538 | 3879 |
| 540 | 1585 | Rothman Orthopaedic Institute | | 3213 | 3461 | 2538 | 808 |
| 541 | 6784 | Hoosier Cancer Research Network (Hoosier Oncology Group) | | 5574 | 5984 | 2538 | 3879 |
| 542 | 2890 | VA Salt Lake City Health Care System | | 5798 | 6562 | 2538 | 904 |
| 543 | 4452 | Hubbard Brook Research Foundation | | 3219 | 2684 | 2538 | 3879 |
| 544 | 2764 | National Capital Poison Center | | 5531 | 499 | 2538 | 3879 |
| 545 | 319 | Bill and Melinda Gates Foundation | | 1475 | 61 | 2538 | 698 |
| 546 | 3110 | Oregon Institute of Science and Medicine | | 6107 | 741 | 2538 | 3879 |
| 547 | 2958 | ECRI Institute | | 2275 | 742 | 2538 | 3879 |
| 548 | 2688 | Center for Coastal Environmental Health and Biomolecular Research | | 2749 | 1163 | 2538 | 3509 |
| 549 | 7629 | New Jersey Equine Clinic | | 7740 | 7226 | 2538 | 3879 |
| 550 | 3771 | Cooper Aerobics Cooper Clinic | | 3529 | 1613 | 2538 | 3879 |
| 551 | 2825 | US National Agricultural Library | | 60 | 863 | 2538 | 3879 |
| 552 | 7437 | Wound Healing Center | | 7385 | 6951 | 2538 | 3879 |
| 553 | 502 | National Center for Atmospheric Research | | 5716 | 708 | 2538 | 148 |
| 554 | 5465 | Venice Hospital | | 4154 | 4137 | 2538 | 3879 |
| 555 | 949 | American College of Radiology | | 1037 | 302 | 2538 | 1992 |
| 556 | 4558 | Albany VA Medical Center VA Healthcare Network Upstate New York | | 6992 | 6720 | 2538 | 2408 |
| 557 | 4493 | Terasaki Foundation Laboratory | | 6074 | 6056 | 2538 | 2822 |
| 558 | 6610 | Axio Research Corporation | | 7128 | 5577 | 2538 | 3879 |
| 559 | 4751 | Tennessee Orthopaedic Alliance | | 6222 | 2919 | 2538 | 3879 |
| 560 | 2904 | Bd Biosciences Immunocytometry Systems | | 272 | 833 | 2538 | 3879 |
| 561 | 5126 | Louisville Metabolic and Atherosclerosis Research Center | | 7775 | 7018 | 2538 | 2510 |
| 562 | 1588 | Center for American Progress | | 545 | 65 | 2538 | 3879 |
| 563 | 7627 | Center for Whale Studies | | 7920 | 7112 | 2538 | 3879 |
| 564 | 4667 | Washington Institute of Dermatologic Laser Surgery | | 4616 | 2927 | 2538 | 3879 |
| 565 | 6893 | AIDS Research Consortium of Atlanta | | 7879 | 5827 | 2538 | 3879 |
| 566 | 7292 | Cheyenne VA Medical Center | | 6979 | 6742 | 2538 | 3879 |
| 567 | 7648 | International Hearing Foundation | | 7812 | 7244 | 2538 | 3879 |
| 568 | 5952 | International Spinal Development and Research Foundation | | 6688 | 4603 | 2538 | 3879 |
| 569 | 2627 | VA Medical Center Birmingham | | 7086 | 6415 | 2538 | 661 |
| 570 | 1277 | Boyce Thompson Institute for Plant Research | | 4011 | 1855 | 2538 | 895 |
| 571 | 2194 | Rocky Mountain Institute | | 2553 | 215 | 2538 | 3879 |
| 572 | 5077 | ILSI Health and Environmental Sciences Institute | | 4586 | 3505 | 2538 | 3879 |
| 573 | 911 | Robert Wood Johnson Foundation | | 1484 | 129 | 2538 | 2460 |
| 574 | 5294 | Frederick Cancer Research Development Center | | 4140 | 3825 | 2538 | 3879 |
| 575 | 6346 | Premier Bone & Joint Centers (Gem City Bone and Joint Clinic) | | 5964 | 5281 | 2538 | 3879 |
| 576 | 2307 | Institute of Museum and Library Services | | 1046 | 303 | 2538 | 3879 |
| 577 | 5605 | Garden State Veterinary Specialists | | 7041 | 4016 | 2538 | 3879 |
| 578 | 8072 | Research and Development Iowa City VA Medical Center | | 7455 | 8071 | 2538 | 3879 |
| 579 | 6689 | Heart and Vascular Center of Arizona | | 7314 | 5699 | 2538 | 3879 |
| 580 | 3431 | Pacific Whale Foundation | | 4671 | 1152 | 2538 | 3879 |
| 581 | 4618 | Exeter Hospital | | 5455 | 2784 | 2538 | 3879 |
| 582 | 127 | University of Pennsylvania Health System | | 636 | 182 | 2538 | 20 |
| 583 | 6862 | VA Illiana Health Care System Danville Illinois | | 6820 | 6771 | 2538 | 3660 |
| 584 | 6021 | USGS National Wildlife Health Center | | 6156 | 4769 | 2538 | 3879 |
| 585 | 6743 | Diabetes & Glandular Disease Clinic of San Antonio | | 7823 | 5652 | 2538 | 3879 |
| 586 | 2792 | National Energy Research Scientific Computing Center | | 1069 | 649 | 2538 | 3879 |
| 587 | 7609 | VA New Jersey War Related Illness and Injury Study Center | | 6279 | 7341 | 2538 | 3879 |
| 588 | 7097 | Morgan Kalman Clinic | | 7562 | 6294 | 2538 | 3879 |
| 589 | 5785 | Western Fisheries Research Center | | 6895 | 4333 | 2538 | 3879 |
| 590 | 5418 | Marine Spill Response Corporation | | 6260 | 3840 | 2538 | 3879 |
| 591 | 4825 | Olive View UCLA Medical Center | | 6277 | 5506 | 2538 | 3252 |
| 592 | 1299 | Maine Health | | 1771 | 854 | 2538 | 1960 |
| 593 | 1316 | University of South Alabama Health System Mitchell Cancer Institute | | 3021 | 1532 | 2538 | 1236 |
| 594 | 4707 | McCrone Research Institute | | 6103 | 2872 | 2538 | 3879 |
| 595 | 4430 | Center for Integration of Medicine and Innovative Technology | | 6065 | 2418 | 2538 | 3879 |
| 596 | 4231 | Kelsey-Seybold Clinic | | 2876 | 2364 | 2538 | 3879 |
| 597 | 7548 | Tri-County Family Medicine | | 7832 | 7047 | 2538 | 3879 |
| 598 | 3024 | VA Medical Center Providence Rhode Island | | 5798 | 6551 | 2538 | 1015 |
| 599 | 3915 | Genomics Institute of the Novartis Research Foundation | | 7022 | 7153 | 2538 | 1490 |
| 600 | 889 | Hartford Hospital | | 1633 | 999 | 2538 | 744 |
