| 501 | 5803 | Peachtree Orthopaedic Clinic |  | 7041 | 4339 | 2538 | 3879 |
| 502 | 4542 | Alliance for Clinical Trials in Oncology (Cancer Leukemia Group B) | | 5007 | 2689 | 2538 | 3879 |
| 503 | 7133 | Norwood Clinic | | 7767 | 6303 | 2538 | 3879 |
| 504 | 3474 | National Telecommunications and Information Administration | | 735 | 1404 | 2538 | 3879 |
| 505 | 4367 | Neuroscience Education Institute | | 5175 | 3893 | 2538 | 3509 |
| 506 | 6638 | Bay Area Environmental Research Institute | | 7409 | 5582 | 2538 | 3879 |
| 507 | 5161 | Las Vegas Skin & Cancer Clinics Ltd | | 5188 | 3569 | 2538 | 3879 |
| 508 | 5171 | Materials Research Science & Engineering Centers | | 4140 | 3658 | 2538 | 3879 |
| 509 | 1398 | University of Arizona Cancer Center | | 5144 | 2320 | 2538 | 911 |
| 510 | 2979 | William S. Middleton Memorial Veterans Hospital | | 6082 | 6464 | 2538 | 1007 |
| 511 | 6891 | VA Medical Center Huntington West Virginia | | 7092 | 7146 | 2538 | 3509 |
| 512 | 7325 | University Research Alliance | | 7330 | 6750 | 2538 | 3879 |
| 513 | 1093 | Mayo Clinic | | 72 | 10 | 2538 | 3879 |
| 514 | 4760 | Illinois-Indiana Sea Grant College Program | | 6863 | 2859 | 2538 | 3879 |
| 515 | 3965 | Herman & Walter Samuelson Children's Hospital at Sinai | | 7157 | 1622 | 2538 | 3879 |
| 516 | 1901 | Internet2 | | 462 | 143 | 2538 | 3879 |
| 517 | 8015 | VA Heartland Network VISN 15 | | 7696 | 7963 | 2538 | 3879 |
| 518 | 3417 | Asia Pacific Center for Security Studies | | 3175 | 1192 | 2538 | 3879 |
| 519 | 5325 | Michigan Ear Institute | | 6910 | 3630 | 2538 | 3879 |
| 520 | 6801 | US Army Engineer Institute for Water Resources | | 3404 | 6176 | 2538 | 3879 |
| 521 | 4262 | Aspen Center for Physics | | 6529 | 2115 | 2538 | 3879 |
| 522 | 2913 | Trident Technical College | | 1899 | 717 | 2538 | 3879 |
| 523 | 5285 | Captain James A. Lovell Federal Health Care Center | | 5750 | 6406 | 2538 | 3140 |
| 524 | 6358 | Hydrologic Research Center | | 7368 | 5134 | 2538 | 3879 |
| 525 | 7875 | VA Southeast Network VISN 7 | | 7828 | 7662 | 2538 | 3879 |
| 526 | 3704 | Smithsonian Science Education Center (National Science Resources Center) | | 4752 | 1463 | 2538 | 3879 |
| 527 | 4545 | Genetic Information Research Institute | | 1910 | 2930 | 2538 | 3879 |
| 528 | 6077 | Silverstein Institute Ear Research Foundation | | 6456 | 4820 | 2538 | 3879 |
| 529 | 2925 | Concord Hospital | | 3934 | 1950 | 2538 | 3316 |
| 530 | 7627 | Center for Whale Studies | | 7920 | 7112 | 2538 | 3879 |
| 531 | 7483 | Colon and Rectal Clinic of Orlando | | 7712 | 6958 | 2538 | 3879 |
| 532 | 7292 | Cheyenne VA Medical Center | | 6979 | 6742 | 2538 | 3879 |
| 533 | 7098 | VA Gulf Coast Veterans Health Care System | | 6667 | 6419 | 2538 | 3879 |
| 534 | 1389 | Nicklaus Children's Hospital (Miami Children's Hospital Pediatric Healthcare) | | 1605 | 1199 | 2538 | 1813 |
| 535 | 4861 | New Jersey Center for Biomaterials | | 5986 | 4642 | 2538 | 3509 |
| 536 | 1709 | National Academy of Engineering | | 937 | 380 | 2538 | 3316 |
| 537 | 1531 | World Wildlife Fund | | 1073 | 39 | 2538 | 3879 |
| 538 | 7481 | US Army Research Institute of Environmental Medicine | | 6800 | 7074 | 2538 | 3879 |
| 539 | 7967 | VHA eHealth University | | 7266 | 7920 | 2538 | 3879 |
| 540 | 4494 | Mental Health | | 4916 | 2622 | 2538 | 3879 |
| 541 | 6074 | Insall Scott Kelly Institute | | 6000 | 5767 | 2538 | 3660 |
| 542 | 4365 | Arizona Oncology Associates | | 3302 | 2530 | 2538 | 3879 |
| 543 | 2540 | Tennessee Valley Healthcare System | | 6180 | 6658 | 2538 | 489 |
| 544 | 778 | DOE Joint Genome Institute | | 229 | 964 | 2538 | 570 |
| 545 | 5943 | VA Southern Nevada Healthcare System | | 6212 | 6372 | 2538 | 3410 |
| 546 | 1897 | Hoover Institution | | 377 | 145 | 2538 | 3879 |
| 547 | 5973 | SpineNevada | | 6800 | 4632 | 2538 | 3879 |
| 548 | 4797 | Gulf Coast Veterinary Specialists | | 6920 | 2902 | 2538 | 3879 |
| 549 | 2251 | Rocky Mountain Biological Laboratory | | 5459 | 2716 | 2538 | 2249 |
| 550 | 6442 | Desert Orthopaedic Center | | 6407 | 5402 | 2538 | 3879 |
| 551 | 4670 | Pinchot Institute for Conservation | | 4459 | 2946 | 2538 | 3879 |
| 552 | 6733 | Coatesville VA Medical Center | | 6910 | 6576 | 2538 | 3660 |
| 553 | 1244 | Cooper University Hospital | | 1129 | 1149 | 2538 | 1480 |
| 554 | 8101 | Clinical Epidemiology Research Center at the VA Connecticut | | 7897 | 8081 | 2538 | 3879 |
| 555 | 3716 | Carnegie Observatories | | 2007 | 1623 | 2538 | 3879 |
| 556 | 6790 | Ontar Corporation | | 7725 | 5743 | 2538 | 3879 |
| 557 | 3892 | Bernheim Arboretum and Research Forest | | 3148 | 1811 | 2538 | 3879 |
| 558 | 421 | National Institute of Mental Health | | 478 | 416 | 2538 | 241 |
| 559 | 6801 | Nashville Hip Institute | | 7191 | 5881 | 2538 | 3879 |
| 560 | 5025 | Yale-Griffin Prevention Research Center | | 6748 | 3234 | 2538 | 3879 |
| 561 | 3701 | National Center for Manufacturing Sciences | | 3698 | 1505 | 2538 | 3879 |
| 562 | 2326 | Neri New England Research Institutes | | 7180 | 4444 | 2538 | 1366 |
| 563 | 997 | National Institute of Arthritis and Musculoskeletal and Skin Diseases | | 2636 | 1245 | 2538 | 738 |
| 564 | 6067 | Warde Medical Laboratory | | 4704 | 4979 | 2538 | 3879 |
| 565 | 3422 | Baptist Hospital | | 1724 | 1254 | 2538 | 3879 |
| 566 | 6149 | VA Medical Center West Palm Beach | | 6479 | 6578 | 2538 | 3410 |
| 567 | 3573 | VA Medical Center Bedford Massachusetts | | 6926 | 7024 | 2538 | 1246 |
| 568 | 1426 | University of Colorado Health (Memorial Health System) | | 1316 | 704 | 2538 | 2487 |
| 569 | 7418 | VA Maine Healthcare System | | 7030 | 6964 | 2538 | 3879 |
| 570 | 4332 | International Anesthesia Research Society | | 5651 | 2309 | 2538 | 3879 |
| 571 | 7413 | US Army Aeromedical Research Laboratory | | 5780 | 7044 | 2538 | 3879 |
| 572 | 3899 | Institute for Molecular Manufacturing | | 7498 | 2286 | 2538 | 3660 |
| 573 | 5488 | Kronos Early Estrogen Prevention Study (Kronos Longevity Research Institute) | | 7904 | 3482 | 2538 | 3879 |
| 574 | 3634 | Gas Technology Institute | | 5524 | 1341 | 2538 | 3879 |
| 575 | 4612 | Taos Orthopaedic Institute | | 5547 | 6074 | 2538 | 2919 |
| 576 | 7979 | VA Heart of Texas Health Care Network | | 7676 | 7908 | 2538 | 3879 |
| 577 | 2177 | Scripps Institution of Oceanography | | 856 | 243 | 2538 | 3879 |
| 578 | 1580 | Exploratorium Museum of Science Art and Human Perception | | 975 | 51 | 2538 | 3879 |
| 579 | 6718 | Florida Institute of Phosphate Research | | 5794 | 5888 | 2538 | 3879 |
| 580 | 1839 | Diabetes Research Institute | | 4091 | 1044 | 2538 | 2782 |
| 581 | 7709 | Louis A Johnson VA Medical Center Clarksburg | | 6584 | 7487 | 2538 | 3879 |
| 582 | 5513 | Academy of Radiology Research | | 5659 | 4059 | 2538 | 3879 |
| 583 | 5508 | California Ear Institute | | 6625 | 3919 | 2538 | 3879 |
| 584 | 6209 | Alaska Bird Observatory | | 7796 | 4735 | 2538 | 3879 |
| 585 | 4647 | Carrier Clinic | | 6127 | 2765 | 2538 | 3879 |
| 586 | 3347 | USDA Forest Service Northern Research Station | | 505 | 1252 | 2538 | 3879 |
| 587 | 6261 | Nebraska Orthopaedic and Sports Medicine | | 6910 | 5049 | 2538 | 3879 |
| 588 | 4721 | Southeast Louisiana Veterans Health Care System | | 5872 | 6645 | 2538 | 2653 |
| 589 | 7893 | VA Mid-Atlantic Health Care Network VISN 6 | | 7380 | 7786 | 2538 | 3879 |
| 590 | 3300 | Association of Universities for Research in Astronomy | | 4205 | 1001 | 2538 | 3879 |
| 591 | 5801 | Michigan Molecular Institute | | 6944 | 4357 | 2538 | 3879 |
| 592 | 7073 | Weight Control and Diabetes Research Center | | 7661 | 6239 | 2538 | 3879 |
| 593 | 5468 | Baylor Jack and Jane Hamilton Heart and Vascular Hospital | | 5311 | 4022 | 2538 | 3879 |
| 594 | 2984 | Mount Washington Observatory | | 5489 | 662 | 2538 | 3879 |
| 595 | 781 | Louisiana State University Agricultural Center | | 427 | 514 | 2538 | 1015 |
| 596 | 4082 | University Health Care System Augusta | | 2861 | 2106 | 2538 | 3879 |
| 597 | 4559 | Martin's Point Health Care | | 5103 | 2705 | 2538 | 3879 |
| 598 | 2674 | Henry L Stimson Center | | 1735 | 532 | 2538 | 3879 |
| 599 | 4739 | Gynecology Oncology Group | | 6269 | 2901 | 2538 | 3879 |
| 600 | 3589 | Southwest Oncology Group | | 2734 | 2175 | 2538 | 3660 |
