| 501 | 4297 | New Mexico Clinical Research and Osteoporosis Center |  | 7406 | 5668 | 2538 | 2822 |
| 502 | 4297 | Clinical Trial and Statistical Applications Innovations | | 4122 | 2383 | 2538 | 3879 |
| 503 | 4291 | VA Healthcare System Bay Pines | | 5560 | 6047 | 2538 | 2696 |
| 504 | 4289 | Institute on Governance |  | 4787 | 2316 | 2538 | 3879 |
| 505 | 4281 | Saint John's Hospital Springfield | | 5257 | 2256 | 2538 | 3879 |
| 506 | 4275 | Norwalk Hospital | | 4350 | 2325 | 2538 | 3879 |
| 507 | 4275 | National Research Corporation | | 4805 | 2291 | 2538 | 3879 |
| 508 | 4269 | National Center for Education in Maternal and Child Health | | 3870 | 2358 | 2538 | 3879 |
| 509 | 4262 | Aspen Center for Physics | | 6529 | 2115 | 2538 | 3879 |
| 510 | 4260 | Institute for Neurodegenerative Disorders | | 7733 | 6189 | 2538 | 2431 |
| 511 | 4254 | Space Studies Institute | | 6295 | 2120 | 2538 | 3879 |
| 512 | 4243 | Kentucky Science Center Louisville | | 6716 | 2050 | 2538 | 3879 |
| 513 | 4235 | Group Health Center for Health Studies | | 5423 | 2160 | 2538 | 3879 |
| 514 | 4233 | Allergy and Asthma Medical Group and Research Center | | 7417 | 5269 | 2538 | 2981 |
| 515 | 4231 | Kelsey-Seybold Clinic | | 2876 | 2364 | 2538 | 3879 |
| 516 | 4217 | Institut Universitaire en Santé Mentale de Montréal | | 5651 | 2119 | 2538 | 3879 |
| 517 | 4217 | Banff Mineral Springs Hospital Covenant Health | | 1834 | 2419 | 2538 | 3879 |
| 518 | 4207 | Royal Victoria Hospital | | 3119 | 2305 | 2538 | 3879 |
| 519 | 4196 | Kantar Health (Consumer Health Sciences) | | 4514 | 2154 | 2538 | 3879 |
| 520 | 4187 | Eskenazi Health Sidney & Lois Eskenazi Hospital Indianapolis | | 5377 | 2088 | 2538 | 3879 |
| 521 | 4185 | Rhode Island Department of Environmental Management | | 1418 | 2397 | 2538 | 3879 |
| 522 | 4171 | Berkshire Health Systems | | 2799 | 2254 | 2538 | 3879 |
| 523 | 4171 | Huntsman Marine Science Centre | | 6186 | 2939 | 2538 | 3660 |
| 524 | 4171 | Trillium Health Partners | | 4029 | 2150 | 2538 | 3879 |
| 525 | 4171 | William Alanson White Institute | | 4265 | 3084 | 2538 | 3660 |
| 526 | 4161 | Powder Coating Institute | | 5175 | 2067 | 2538 | 3879 |
| 527 | 4149 | North-South Institute | | 4166 | 2109 | 2538 | 3879 |
| 528 | 4142 | Oregon College of Oriental Medicine | | 4017 | 2300 | 2521 | 3879 |
| 529 | 4113 | Tellus Institute | | 5144 | 2017 | 2538 | 3879 |
| 530 | 4108 | Family Research Institute | | 6450 | 1891 | 2538 | 3879 |
| 531 | 4099 | Northwest Hospital & Medical Center | | 4022 | 2064 | 2538 | 3879 |
| 532 | 4094 | Western Research Institute | | 7030 | 4975 | 2538 | 3034 |
| 533 | 4088 | United States Naval Observatory | | 403 | 2432 | 2538 | 3879 |
| 534 | 4082 | University Health Care System Augusta | | 2861 | 2106 | 2538 | 3879 |
| 535 | 4080 | Wells National Estuarine Research Reserve | | 3410 | 2065 | 2538 | 3879 |
| 536 | 4074 | Asphalt Institute | | 5995 | 1879 | 2538 | 3879 |
| 537 | 4074 | National Centers for Environmental Prediction | | 208 | 3423 | 2538 | 3660 |
| 538 | 4068 | Vermont Institute Natural Science | | 4187 | 2014 | 2538 | 3879 |
| 539 | 4062 | G.V. (Sonny) Montgomery VA Medical Center | | 7424 | 6869 | 2538 | 1843 |
| 540 | 4062 | Arthritis Research Centre of Canada | | 4805 | 3802 | 2538 | 3410 |
| 541 | 4053 | BioDiversity Research Institute | | 5123 | 1912 | 2538 | 3879 |
| 542 | 4048 | Truman Medical Centers | | 5160 | 1898 | 2538 | 3879 |
| 543 | 4042 | Pankey Institute | | 4658 | 1933 | 2538 | 3879 |
| 544 | 4030 | CONRAD | | 7288 | 3101 | 2538 | 3509 |
| 545 | 4022 | Bronx Lebanon Hospital Center | | 4837 | 2412 | 2489 | 3879 |
| 546 | 4019 | Center for the Collaborative Classroom | | 2569 | 2043 | 2538 | 3879 |
| 547 | 4003 | Triangle Universities Nuclear Laboratory | | 2037 | 6791 | 2538 | 2104 |
| 548 | 4003 | Egg Nutrition Center | | 4860 | 1861 | 2538 | 3879 |
| 549 | 3995 | Henry M Jackson Foundation for the Advancement of Military Medicine | | 3513 | 1941 | 2538 | 3879 |
| 550 | 3985 | National Center for Voice and Speech | | 4532 | 1854 | 2538 | 3879 |
| 551 | 3985 | Southern Research Station USDA Forest Service | | 629 | 2167 | 2538 | 3879 |
| 552 | 3981 | Mallinckrodt Institute of Radiology | | 4468 | 4515 | 778 | 3879 |
| 553 | 3965 | Herman & Walter Samuelson Children's Hospital at Sinai | | 7157 | 1622 | 2538 | 3879 |
| 554 | 3958 | MEDNAX Phoenix Perinatal Associates | | 2469 | 1948 | 2538 | 3879 |
| 555 | 3948 | Colorado Health Foundation | | 4022 | 1834 | 2538 | 3879 |
| 556 | 3948 | Wilderness Medical Society | | 4740 | 1785 | 2538 | 3879 |
| 557 | 3947 | Southern California Orthopedic Institute | | 4328 | 1808 | 2538 | 3879 |
| 558 | 3942 | MSFC Science Research Office (National Space Science & Technology Center) | | 7518 | 1539 | 2538 | 3879 |
| 559 | 3934 | INRS-Eau | | 2584 | 4790 | 468 | 3879 |
| 560 | 3924 | Hennepin County Medical Center | | 4409 | 1768 | 2538 | 3879 |
| 561 | 3922 | Hahnemann University Hospital | | 5123 | 2600 | 2538 | 3660 |
| 562 | 3915 | Genomics Institute of the Novartis Research Foundation | | 7022 | 7153 | 2538 | 1490 |
| 563 | 3909 | Mcleod Health | | 2062 | 1910 | 2538 | 3879 |
| 564 | 3906 | Northeast Midwest Institute | | 5943 | 1653 | 2538 | 3879 |
| 565 | 3905 | Saint Joseph's Hospital Health Center | | 3899 | 1771 | 2538 | 3879 |
| 566 | 3902 | Huntington Medical Research Institute | | 5311 | 3513 | 1786 | 3879 |
| 567 | 3899 | Institute for Molecular Manufacturing | | 7498 | 2286 | 2538 | 3660 |
| 568 | 3896 | Southeast Regional Climate Center | | 2032 | 1884 | 2538 | 3879 |
| 569 | 3894 | SBH Health System | | 2900 | 2963 | 2316 | 3879 |
| 570 | 3892 | Bernheim Arboretum and Research Forest | | 3148 | 1811 | 2538 | 3879 |
| 571 | 3892 | Harry S. Truman Memorial Veterans' Hospital | | 5520 | 7019 | 2538 | 1681 |
| 572 | 3891 | Fannie and John Hertz Foundation | | 4386 | 1727 | 2538 | 3879 |
| 573 | 3884 | MRI Global (Midwest Research Institute) | | 6748 | 3335 | 1809 | 3879 |
| 574 | 3880 | Catholic Health Initiatives | | 2917 | 1812 | 2538 | 3879 |
| 575 | 3876 | Yale New Haven Health System | | 1136 | 1931 | 2538 | 3879 |
| 576 | 3873 | Duke Clinical Research Institute | | 3229 | 1775 | 2538 | 3879 |
| 577 | 3870 | Chemical Institute of Canada | | 3197 | 1764 | 2538 | 3879 |
| 578 | 3869 | Huntington Memorial Hospital | | 3399 | 1751 | 2538 | 3879 |
| 579 | 3860 | Children's Health Research Institute | | 6506 | 5494 | 2538 | 2627 |
| 580 | 3857 | Roger Williams Medical Center | | 5115 | 3046 | 2538 | 3509 |
| 581 | 3854 | VA Western New York Healthcare System at Buffalo | | 5612 | 6713 | 2538 | 1891 |
| 582 | 3838 | National Minority AIDS Council | | 3934 | 1697 | 2538 | 3879 |
| 583 | 3830 | Potomac Institute for Policy Studies | | 3185 | 1728 | 2538 | 3879 |
| 584 | 3821 | (1)Hôpital de Montreal pour Enfants | | 2696 | 1725 | 2538 | 3879 |
| 585 | 3813 | Deaconess Health System | | 3193 | 1698 | 2538 | 3879 |
| 586 | 3811 | Foundation for Biomedical Research | | 3640 | 1667 | 2538 | 3879 |
| 587 | 3807 | James S McDonnell Foundation | | 4768 | 1596 | 2538 | 3879 |
| 588 | 3799 | International Society for Heart & Lung Transplantation | | 3736 | 1641 | 2538 | 3879 |
| 589 | 3794 | VA Medical Center Oklahoma City | | 6355 | 7017 | 2538 | 1545 |
| 590 | 3788 | Versiti (BloodCenter of Wisconsin) | | 3570 | 1631 | 2538 | 3879 |
| 591 | 3782 | Rowland Institute at Harvard | | 4338 | 6247 | 1457 | 3191 |
| 592 | 3782 | Southcentral Foundation | | 2553 | 2552 | 2538 | 3660 |
| 593 | 3774 | National Center for Posttraumatic Stress Disorder | | 3434 | 1626 | 2538 | 3879 |
| 594 | 3771 | Cooper Aerobics Cooper Clinic | | 3529 | 1613 | 2538 | 3879 |
| 595 | 3766 | IBM Research | | 6538 | 1438 | 2538 | 3879 |
| 596 | 3765 | Wellesley Central Hospital | | 2891 | 1645 | 2538 | 3879 |
| 597 | 3763 | Sun Health Research Institute | | 5976 | 3191 | 2538 | 3410 |
| 598 | 3762 | Centre de Recherche Industrielle du Quebec | | 4847 | 2338 | 2538 | 3660 |
| 599 | 3755 | Warren Clinic | | 3114 | 1610 | 2538 | 3879 |
| 600 | 3742 | Hughston Clinic | | 4235 | 1533 | 2538 | 3879 |
