| 401 | 2291 | American College of Rheumatology |  | 3942 | 252 | 2538 | 3879 |
| 402 | 2295 | Lovelace Respiratory Research Institute | | 7576 | 3506 | 2411 | 2249 |
| 403 | 2301 | Ralph H. Johnson VA Medical Center | | 5175 | 5799 | 2538 | 722 |
| 404 | 2302 | Defense Information Systems Agency | | 1144 | 297 | 2538 | 3879 |
| 405 | 2307 | Institute of Museum and Library Services | | 1046 | 303 | 2538 | 3879 |
| 406 | 2318 | National Geospatial-Intelligence Agency (Defense Mapping Agency) | | 1259 | 301 | 2538 | 3879 |
| 407 | 2326 | Neri New England Research Institutes | | 7180 | 4444 | 2538 | 1366 |
| 408 | 2355 | National Center for Supercomputing Applications | | 1034 | 2048 | 2538 | 2919 |
| 409 | 2355 | VA Medical Center Durham North Carolina | | 5893 | 6238 | 2538 | 541 |
| 410 | 2379 | VA Connecticut Healthcare System | | 6472 | 6215 | 2538 | 543 |
| 411 | 2402 | Center for Climate and Energy Solutions | | 3689 | 311 | 2538 | 3879 |
| 412 | 2402 | Employee Benefit Research Institute | | 2546 | 322 | 2538 | 3879 |
| 413 | 2406 | New York Blood Center | | 5460 | 1151 | 1249 | 3879 |
| 414 | 2408 | Treatment Research Institute Philadelphia | | 7461 | 2841 | 2538 | 2290 |
| 415 | 2419 | Eastern Colorado VA Health Care System | | 6883 | 6168 | 2538 | 596 |
| 416 | 2421 | Kessler Rehabilitation Corporation | | 6351 | 2473 | 2538 | 2584 |
| 417 | 2425 | World Policy Institute | | 1713 | 350 | 2538 | 3879 |
| 418 | 2437 | VA Maryland Health Care System | | 4953 | 5837 | 2538 | 873 |
| 419 | 2445 | Louis Stokes Cleveland VA Medical Center | | 6295 | 6045 | 2538 | 698 |
| 420 | 2451 | Cancer Research and Biostatistics | | 5993 | 3536 | 2538 | 2077 |
| 421 | 2458 | International Food Information Council | | 2151 | 359 | 2538 | 3879 |
| 422 | 2468 | National Technical Information Service | | 1267 | 386 | 2538 | 3879 |
| 423 | 2468 | Torrey Pines Institute for Molecular Studies | | 7297 | 4656 | 2103 | 2266 |
| 424 | 2482 | Earthwatch Institute | | 2762 | 360 | 2538 | 3879 |
| 425 | 2493 | W K Kellogg Foundation | | 1817 | 395 | 2538 | 3879 |
| 426 | 2504 | Edison Welding Institute | | 3838 | 1796 | 2164 | 3509 |
| 427 | 2510 | Institute for Defense Analyses | | 3743 | 1256 | 1524 | 3879 |
| 428 | 2510 | Dauphin Island Sea Lab | | 3464 | 1316 | 1431 | 3879 |
| 429 | 2522 | Foreign Policy Research Institute | | 1658 | 423 | 2538 | 3879 |
| 430 | 2524 | OSF Saint Francis Medical Center | | 894 | 954 | 2258 | 3879 |
| 431 | 2526 | Nuclear Energy Institute | | 3812 | 371 | 2538 | 3879 |
| 432 | 2529 | Philadelphia VA Medical Center | | 6427 | 6688 | 2538 | 467 |
| 433 | 2533 | Steward Health Care (Caritas Christi Health Care) | | 1243 | 1440 | 1492 | 3879 |
| 434 | 2540 | Institute of Human Virology | | 6674 | 2510 | 2538 | 2696 |
| 435 | 2540 | Tennessee Valley Healthcare System | | 6180 | 6658 | 2538 | 489 |
| 436 | 2548 | Cornell Lab of Ornithology | | 479 | 500 | 2538 | 3879 |
| 437 | 2556 | Academy of Natural Sciences of Philadelphia | | 496 | 506 | 2538 | 3879 |
| 438 | 2571 | East-West Center | | 1751 | 453 | 2538 | 3879 |
| 439 | 2579 | National Institute of General Medical Sciences | | 1703 | 2523 | 2538 | 2919 |
| 440 | 2596 | Mathematical Sciences Research Institute | | 610 | 523 | 2538 | 3879 |
| 441 | 2603 | Center for Applied Linguistics | | 2196 | 464 | 2538 | 3879 |
| 442 | 2603 | Pittsburgh Supercomputing Center | | 2196 | 465 | 2538 | 3879 |
| 443 | 2607 | Animal Welfare Institute | | 2972 | 451 | 2538 | 3879 |
| 444 | 2609 | Information Management Service Inc | | 6055 | 5189 | 2538 | 1445 |
| 445 | 2614 | Pacific Institute for Studies in Development Environment and Security | | 2749 | 458 | 2538 | 3879 |
| 446 | 2620 | Minneapolis Medical Research Foundation | | 7193 | 5215 | 2538 | 1351 |
| 447 | 2627 | Richard L. Roudebush VA Medical Center Indianapolis Indiana | | 6401 | 6172 | 2538 | 829 |
| 448 | 2627 | VA Medical Center Birmingham | | 7086 | 6415 | 2538 | 661 |
| 449 | 2633 | Ohio Aerospace Institute | | 6129 | 3105 | 2538 | 2510 |
| 450 | 2651 | Memorial Hermann Northwest Hospital | | 960 | 544 | 2538 | 3879 |
| 451 | 2653 | North Florida/South Georgia Veterans Health System | | 5271 | 5832 | 2538 | 1084 |
| 452 | 2669 | Ascension Healthcare | | 523 | 581 | 2538 | 3879 |
| 453 | 2669 | Point Blue (Point Reyes Bird Observatory) | | 3605 | 1544 | 1434 | 3879 |
| 454 | 2674 | Henry L Stimson Center | | 1735 | 532 | 2538 | 3879 |
| 455 | 2688 | Center for Coastal Environmental Health and Biomolecular Research | | 2749 | 1163 | 2538 | 3509 |
| 456 | 2693 | Exxon Research Engineering | | 1562 | 554 | 2538 | 3879 |
| 457 | 2696 | Retina Foundation of the Southwest | | 6735 | 4215 | 2538 | 2027 |
| 458 | 2701 | Illinois Mathematics and Science Academy | | 1624 | 561 | 2538 | 3879 |
| 459 | 2703 | VA North Texas Health Care System | | 5965 | 5956 | 2538 | 1051 |
| 460 | 2708 | Edison Electric Institute | | 2015 | 558 | 2538 | 3879 |
| 461 | 2718 | International Fertilizer Development Center | | 3708 | 1784 | 2138 | 3660 |
| 462 | 2741 | Moss Landing Marine Laboratories | | 1440 | 4994 | 1350 | 3034 |
| 463 | 2755 | Florida Hospital | | 1889 | 583 | 2538 | 3879 |
| 464 | 2764 | National Capital Poison Center | | 5531 | 499 | 2538 | 3879 |
| 465 | 2770 | Research Institute for Fragrance Materials | | 5948 | 3452 | 2489 | 2782 |
| 466 | 2778 | Coriell Institute for Medical Research | | 647 | 1418 | 2129 | 3879 |
| 467 | 2783 | VA NY Harbor Healthcare System | | 5160 | 6444 | 2538 | 900 |
| 468 | 2792 | National Energy Research Scientific Computing Center | | 1069 | 649 | 2538 | 3879 |
| 469 | 2800 | Children's Hospital Oakland Research Institute | | 4658 | 2021 | 864 | 3879 |
| 470 | 2804 | US Antarctic Program | | 1860 | 626 | 2538 | 3879 |
| 471 | 2805 | Baylor Health Care System | | 3459 | 1889 | 1204 | 3879 |
| 472 | 2808 | Samueli Institute | | 5708 | 3271 | 2538 | 2653 |
| 473 | 2819 | Land Institute | | 5506 | 1043 | 2304 | 3879 |
| 474 | 2825 | US National Agricultural Library | | 60 | 863 | 2538 | 3879 |
| 475 | 2825 | National Child Traumatic Stress Network | | 6079 | 904 | 2538 | 3660 |
| 476 | 2848 | Marine Mammal Center | | 2903 | 640 | 2538 | 3879 |
| 477 | 2852 | US Oncology | | 3410 | 1651 | 1756 | 3879 |
| 478 | 2859 | South Texas Veterans Health Care System | | 5447 | 6963 | 2538 | 649 |
| 479 | 2861 | American Iron and Steel Institute | | 2951 | 650 | 2538 | 3879 |
| 480 | 2866 | Jesse Brown VA Medical Center | | 6910 | 6300 | 2538 | 981 |
| 481 | 2882 | International Center for Research on Women | | 3473 | 652 | 2538 | 3879 |
| 482 | 2890 | VA Salt Lake City Health Care System | | 5798 | 6562 | 2538 | 904 |
| 483 | 2892 | Conservation Fund | | 2182 | 701 | 2538 | 3879 |
| 484 | 2900 | PeaceHealth Southwest Medical Center (Southwest Washington Medical Center) | | 1077 | 745 | 2538 | 3879 |
| 485 | 2904 | Bd Biosciences Immunocytometry Systems | | 272 | 833 | 2538 | 3879 |
| 486 | 2906 | Atmospheric Environmental Research Inc | | 4067 | 1565 | 1938 | 3879 |
| 487 | 2913 | Trident Technical College | | 1899 | 717 | 2538 | 3879 |
| 488 | 2921 | Archbold Biological Station | | 2452 | 2345 | 2093 | 3660 |
| 489 | 2925 | Concord Hospital | | 3934 | 1950 | 2538 | 3316 |
| 490 | 2930 | Kessler Foundation | | 3920 | 1831 | 1630 | 3879 |
| 491 | 2934 | Institute of Transportation Engineers | | 1957 | 725 | 2538 | 3879 |
| 492 | 2934 | Saint Joseph Mercy Health System | | 2224 | 2092 | 2254 | 3660 |
| 493 | 2939 | American Sports Medicine Institute | | 7204 | 1905 | 2538 | 3252 |
| 494 | 2944 | James A. Haley Veterans' Hospital | | 6132 | 5682 | 2538 | 1534 |
| 495 | 2947 | Fox Chase Cancer Center | | 2191 | 726 | 2538 | 3879 |
| 496 | 2951 | Helen Keller International | | 5160 | 1084 | 2538 | 3660 |
| 497 | 2955 | SSM Health Care | | 1978 | 754 | 2538 | 3879 |
| 498 | 2958 | ECRI Institute | | 2275 | 742 | 2538 | 3879 |
| 499 | 2963 | Saint Louis Children's Hospital | | 2090 | 757 | 2538 | 3879 |
| 500 | 2963 | Mount Wilson Observatory | | 7193 | 969 | 2538 | 3660 |
