| 500 (1951) | North Dakota State University | USA |  |
| 500 (1951) | Northern Illinois University | USA | |
| 503 (1967) | Louisiana State University Agricultural Center | USA |  |
| 504 (1970) | University of North Carolina, Greensboro | USA | |
| 505 (1973) | New Jersey Institute of Technology | USA | |
| 506 (1978) | University of South Florida-Saint Petersburg | USA | |
| 507 (1981) | Barbara Ann Karmanos Cancer Institute | USA |  |
| 508 (1986) | University of Maryland, Center for Environmental Science | USA |  |
| 509 (1992) | Communications Research Centre Canada | CAN | |
| 510 (2013) | North Texas VA Health Care System | USA | |
| 511 (2016) | Florida Institute of Technology | USA | |
| 512 (2025) | Mount Holyoke College | USA | |
| 513 (2026) | Regenstrief Institute | USA | |
| 514 (2042) | University of Illinois Hospital & Health Sciences System | USA | |
| 515 (2044) | Space Telescope Science Institute | USA | |
| 515 (2044) | The EARLY Program Mind Research Network | USA | |
| 517 (2048) | Joint Quantum Institute | USA | |
| 517 (2048) | Tom Baker Cancer Centre | CAN | |
| 519 (2053) | Ecole de Technologie Superieure | CAN | |
| 519 (2053) | Mississippi State University | USA | |
| 521 (2059) | Iowa City VA Health Care System | USA | |
| 522 (2070) | SUNY Downstate Medical Center | USA | |
| 523 (2077) | Thomas Jefferson National Accelerator Facility | USA | |
| 524 (2089) | Bowling Green State University | USA | |
| 525 (2098) | Environment Canada | CAN | |
| 526 (2102) | Natural Resources Canada | CAN | |
| 527 (2120) | Northern Ontario School of Medicine | CAN | |
| 528 (2125) | Ames Laboratory | USA | |
| 528 (2125) | Cisco Systems | USA |  |
| 530 (2136) | University of South Alabama | USA | |
| 531 (2143) | University of Massachusetts, Lowell | USA | |
| 532 (2144) | Florida Atlantic University | USA | |
| 533 (2154) | Old Dominion University | USA | |
| 534 (2157) | University of Windsor | CAN | |
| 535 (2158) | Beaumont Health System | USA | |
| 536 (2176) | Women and Infants Hospital of Rhode Island | USA | |
| 537 (2179) | Villanova University | USA | |
| 538 (2182) | University of New Brunswick | CAN | |
| 539 (2183) | Fermi National Accelerator Laboratory | USA | |
| 539 (2183) | Southern Methodist University | USA | |
| 541 (2190) | Kent State University | USA | |
| 542 (2195) | New Mexico Institute of Mining and Technology | USA | |
| 543 (2201) | Summa Health System | USA | |
| 544 (2213) | Weber State University | USA | |
| 545 (2215) | Clarkson University | USA | |
| 546 (2227) | Geisinger Medical System | USA | |
| 546 (2227) | Oberlin College | USA | |
| 548 (2232) | Miami VA Healthcare System | USA | |
| 549 (2237) | London Health Sciences Centre | CAN | |
| 550 (2244) | Queen Elizabeth II Health Sciences Centre | CAN | |
| 551 (2252) | Miami University of Ohio | USA | |
| 552 (2287) | Marquette University | USA | |
| 553 (2292) | Durham VA Medical Center | USA | |
| 554 (2294) | VA Maryland Health Care System | USA | |
| 555 (2303) | University of Lethbridge | CAN | |
| 556 (2304) | Rotman Research Institute | CAN | |
| 557 (2311) | Montclair State University | USA | |
| 558 (2315) | Richard L. Roudebush VA Medical Center | USA | |
| 559 (2319) | University of San Francisco | USA | |
| 560 (2326) | University of Massachusetts, Boston | USA | |
| 561 (2331) | Procter and Gamble Company | USA | |
| 562 (2336) | University of Alaska, Fairbanks | USA | |
| 563 (2365) | Cincinnati VA Medical Center | USA | |
| 563 (2365) | New Mexico State University | USA | |
| 565 (2375) | South Dakota State University | USA | |
| 566 (2387) | Public Health Agency of Canada | CAN | |
| 567 (2399) | University of Arkansas, Little Rock | USA | |
| 568 (2400) | Seattle Cancer Care Alliance | USA | |
| 569 (2401) | San Francisco Department of Public Health | USA | |
| 570 (2419) | California State Polytechnic University, Pomona | USA | |
| 571 (2420) | Douglas Mental Health University Institute | CAN | |
| 572 (2433) | American Museum of Natural History | USA | |
| 573 (2443) | Edward Hines VA Hospital | USA | |
| 574 (2446) | Children's Medical Center Dallas | USA | |
| 574 (2446) | University of New Orleans | USA | |
| 576 (2451) | Howard University | USA | |
| 576 (2451) | Laurentian University | CAN | |
| 578 (2467) | Clark University | USA | |
| 578 (2467) | State University of New York, College of Environmental Science and Forestry | USA | |
| 580 (2473) | St. Luke's-Roosevelt Hospital Center | USA | |
| 581 (2497) | University of Wisconsin, Oshkosh | USA | |
| 582 (2498) | Rochester Institute of Technology | USA | |
| 583 (2514) | Fordham University | USA | |
| 584 (2524) | United Technologies Research Center | USA | |
| 584 (2524) | Western Michigan University | USA | |
| 586 (2528) | Denver Health Medical Center | USA | |
| 587 (2530) | Missouri State University | USA | |
| 588 (2557) | Planetary Science Institute | USA | |
| 589 (2558) | Northern Arizona University | USA | |
| 590 (2570) | Florida Gulf Coast University | USA | |
| 591 (2574) | University of Denver | USA | |
| 592 (2585) | James J. Peters VA Medical Center | USA | |
| 593 (2591) | Drake University | USA | |
| 594 (2594) | University of North Dakota | USA | |
| 594 (2594) | University of San Diego | USA | |
| 596 (2599) | NASA Langley Research Center | USA | |
| 597 (2601) | Baystate Health System | USA | |
| 598 (2605) | BC Children's Hospital and Sunny Hill Health Centre for Children Vancouver | CAN | |
| 599 (2611) | Southern Illinois University Edwardsville | USA | |
| 600 (2616) | University of Maryland Medical Center | USA | |
| 601 (2631) | University of Louisiana, Lafayette | USA | |
| 602 (2645) | Royal Military College of Canada | CAN | |
| 603 (2652) | Hunter Holmes McGuire VA Medical Center | USA | |
| 604 (2661) | Foothills Medical Centre | CAN | |
| 605 (2667) | Wildlife Conservation Society USA | USA | |
| 606 (2670) | Yale New Haven Health System | USA | |
| 607 (2674) | Milwaukee VA Medical Center | USA | |
| 608 (2687) | University of Colorado, Colorado Springs | USA | |
| 609 (2693) | University of Ontario Institute of Technology | CAN | |
| 610 (2698) | Children's Hospital Colorado | USA | |
| 610 (2698) | ExxonMobil | USA | |
| 612 (2704) | Ann & Robert H. Lurie Children s Hospital | USA | |
| 613 (2708) | Lockheed Martin Corporation | USA | |
| 614 (2719) | University of Nebraska, Omaha | USA | |
| 615 (2725) | University of Prince Edward Island | CAN | |
| 615 (2725) | University of Regina | CAN | |
| 617 (2735) | City University of New York, Lehman College | USA | |
| 618 (2739) | Hofstra University | USA | |
| 619 (2740) | University of Tennessee, Chattanooga | USA | |
| 620 (2743) | Joint Institute for Laboratory Astrophysics | USA | |
| 621 (2749) | Monterey Bay Aquarium Research Institute | USA | |
| 622 (2761) | Delaware State University | USA | |
| 623 (2763) | American University | USA | |
| 624 (2777) | Rothman Institute | USA | |
| 625 (2797) | Baker Hughes | USA | |
| 625 (2797) | Rosalind Franklin University of Medicine and Science | USA | |
| 627 (2810) | Children's Hospital of Wisconsin | USA | |
| 628 (2815) | University of Missouri, Saint Louis | USA | |
| 629 (2821) | Adelphi University | USA | |
| 630 (2829) | Cleveland State University | USA | |
| 631 (2831) | Morehouse School of Medicine | USA | |
| 631 (2831) | Western Washington University | USA | |
| 633 (2837) | Marshfield Clinic | USA | |
| 633 (2837) | Space Science Institute | USA | |
| 635 (2843) | Federal Reserve System | USA | |
| 635 (2843) | University of Texas, El Paso | USA | |
| 637 (2848) | Central Arkansas Veterans Healthcare System | USA | |
| 638 (2850) | TRIUMF - National Laboratory for Particle and Nuclear Physics | CAN | |
| 639 (2853) | University of Central Arkansas | USA | |
| 640 (2857) | Western Carolina University | USA | |
| 641 (2859) | University of the Pacific | USA | |
| 642 (2862) | Eastern Michigan University | USA | |
| 643 (2867) | National Radio Astronomy Observatory, Charlottesville | USA | |
| 644 (2876) | Youngstown State University | USA | |
| 645 (2881) | BJC HealthCare | USA | |
| 646 (2889) | University of Tulsa | USA | |
| 647 (2919) | California State University, Fullerton | USA | |
| 647 (2919) | San Francisco State University | USA | |
| 649 (2922) | Infrared Processing and Analysis Center | USA | |
| 650 (2926) | Wilfrid Laurier University | CAN | |
| 651 (2947) | Prairie View A&M University | USA | |
| 652 (2957) | International Monetary Fund | USA | |
| 653 (2964) | East Tennessee State University | USA | |
| 654 (2974) | St. Joseph's Healthcare Hamilton | CAN | |
| 655 (2994) | Universities Space Research Association | USA | |
| 656 (2998) | Southwest Research Institute | USA | |
| 657 (3002) | Alberta Health Services | CAN | |
| 657 (3002) | Duquesne University | USA | |
| 659 (3024) | San Jose State University | USA | |
| 660 (3030) | DePaul University | USA | |
| 660 (3030) | Rehabilitation Institute of Chicago | USA | |
| 662 (3040) | Barnard College | USA | |
| 663 (3046) | Lawson Health Research Institute | CAN | |
| 663 (3046) | Midwestern University | USA | |
| 665 (3066) | University of Alaska, Anchorage | USA | |
| 666 (3068) | College of Charleston | USA | |
| 667 (3084) | Dow Chemical Company | USA | |
| 668 (3102) | City University of New York, Queens College | USA | |
| 669 (3110) | Central Michigan University | USA | |
| 670 (3125) | Field Museum Natural History | USA | |
| 671 (3135) | The Catholic University of America | USA | |
| 672 (3147) | Athabasca University | CAN | |
| 673 (3157) | Lamar University | USA | |
| 674 (3169) | General Atomics | USA | |
| 675 (3189) | Chapman University | USA | |
| 675 (3189) | Louisiana Tech University | USA | |
| 677 (3202) | National Radio Astronomy Observatory, Socorro | USA | |
| 677 (3202) | Swarthmore College | USA | |
| 679 (3205) | Texas Christian University | USA | |
| 680 (3209) | California State University, Los Angeles | USA | |
| 681 (3220) | Northrop Grumman Corporation | USA | |
| 682 (3246) | Illinois State University | USA | |
| 683 (3254) | Hartford Hospital | USA | |
| 684 (3258) | Wellesley College | USA | |
| 685 (3264) | Boeing Company, USA | USA | |
| 686 (3269) | Desert Research Institute, Reno | USA | |
| 687 (3278) | Science System and Applications, Inc | USA | |
| 688 (3287) | Children's Mercy Hospital | USA | |
| 689 (3301) | California Polytechnic State University, San Luis Obispo | USA | |
| 689 (3301) | Kennesaw State University | USA | |
| 691 (3315) | Marshall University | USA | |
| 692 (3323) | Claremont Graduate University | USA | |
| 693 (3334) | Skidmore College | USA | |
| 694 (3353) | University of Massachusetts, Dartmouth | USA | |
| 695 (3358) | National Optical Astronomy Observatory | USA | |
| 696 (3362) | Battelle Memorial Institute | USA | |
| 697 (3369) | Glenn Research Center | USA | |
| 698 (3373) | Bedford Institute of Oceanography | CAN | |
| 699 (3376) | Franklin & Marshall College | USA | |
| 699 (3376) | IWK Health Centre | CAN | |
| 699 (3376) | Trent University | CAN | |
| 702 (3395) | Loyola Marymount University | USA | |
| 703 (3401) | Princeton Plasma Physics Laboratory | USA | |
| 704 (3402) | Jackson State University | USA | |
| 705 (3405) | University of Alabama, Huntsville | USA | |
| 706 (3408) | The New School | USA | |
| 707 (3410) | Grand Valley State University | USA | |
| 708 (3413) | Oklahoma City VA Medical Center | USA | |
| 709 (3416) | Walter Reed National Military Medical Center | USA | |
| 710 (3426) | Texas State University, San Marcos | USA | |
| 711 (3449) | University of North Carolina, Wilmington | USA | |
| 712 (3457) | MetroHealth System | USA | |
| 713 (3461) | Alberta Children's Hospital | CAN | |
| 713 (3461) | North Florida-South Georgia Veterans Health System | USA | |
| 715 (3472) | University of Alberta Hospital | CAN | |
| 716 (3479) | Middlebury College | USA | |
| 717 (3526) | Naval Postgraduate School | USA | |
| 718 (3537) | Electric Power Research Institute | USA | |
| 719 (3549) | NASA Marshall Space Flight Center | USA | |
| 720 (3560) | City University of New York, John Jay College of Criminal Justice | USA | |
| 721 (3563) | California State University, Long Beach | USA | |
| 722 (3565) | St. Francis Xavier University | CAN | |
| 723 (3622) | Savannah River National Laboratory | USA | |
| 724 (3637) | Arkansas Children's Hospital | USA | |
| 725 (3648) | Connecticut Children's Medical Center | USA | |
| 726 (3657) | University of Richmond | USA | |
| 727 (3666) | Sonoma State University | USA | |
| 728 (3671) | California State University, Northridge | USA | |
| 728 (3671) | Claremont McKenna College | USA | |
| 730 (3681) | James Madison University | USA | |
| 731 (3688) | Haverford College in Pennsylvania | USA | |
| 732 (3693) | Los Angeles County-USC Medical Center | USA | |
| 733 (3699) | Nova Southeastern University, Estados Unidos | USA | |
| 734 (3711) | Idaho State University | USA | |
| 735 (3729) | Suffolk University | USA | |
| 735 (3729) | Williams College | USA | |
| 737 (3736) | VA Long Beach Healthcare System | USA | |
| 738 (3740) | Colgate University | USA | |
| 739 (3753) | Towson University | USA | |
| 740 (3763) | Washington State University, Spokane Campus | USA | |
| 741 (3767) | Saint Mary's University | CAN | |
| 742 (3772) | United States Naval Academy | USA | |
| 742 (3772) | University of Wisconsin, Eau Claire | USA | |
| 744 (3788) | NASA Johnson Space Center | USA | |
| 745 (3800) | California State University, Sacramento | USA | |
| 746 (3803) | The University of Winnipeg | CAN | |
| 747 (3813) | Ithaca College | USA | |
| 748 (3816) | Bowdoin College | USA | |
| 748 (3816) | Sam Houston State University | USA | |
| 750 (3820) | Bryn Mawr College | USA | |
| 751 (3827) | Reed College | USA | |
| 752 (3836) | US National Science Foundation | USA | |
| 753 (3840) | Indiana University-South Bend | USA | |
| 753 (3840) | Simmons College | USA | |
| 755 (3852) | University of Northern British Columbia | CAN | |
| 756 (3856) | Ball State University | USA | |
| 757 (3865) | Loyola University Maryland | USA | |
| 758 (3873) | Florida Agricultural & Mechanical University | USA | |
| 759 (3877) | Bentley University | USA | |
| 759 (3877) | University of North Florida | USA | |
| 761 (3882) | Wichita State University | USA | |
| 762 (3891) | Georgia Southern University | USA | |
| 763 (3907) | University of St. Thomas | USA | |
| 764 (3912) | University of Hawaii, Hilo | USA | |
| 765 (3922) | Amherst College | USA | |
| 766 (3925) | Pace University | USA | |
| 767 (3927) | California State University, San Bernardino | USA | |
| 768 (3941) | Smith College | USA | |
| 769 (3944) | Meharry Medical College | USA | |
| 770 (3950) | University of the Sciences in Philadelphia | USA | |
| 771 (3955) | Appalachian State University | USA | |
| 772 (3965) | Acadia University | CAN | |
| 772 (3965) | Bucknell University | USA | |
| 774 (3972) | Pomona College | USA | |
| 775 (3979) | Trinity University | USA | |
| 776 (4004) | University of Texas, Pan American | USA | |
| 777 (4008) | University of Moncton | CAN | |
| 778 (4026) | Mount Allison University | CAN | |
| 779 (4030) | South Dakota School of Mines and Technology | USA | |
| 780 (4037) | Phoenix Children's Hospital | USA | |
| 781 (4043) | Seattle University | USA | |
| 782 (4073) | Washington State University, Vancouver | USA | |
| 783 (4076) | California Academy of Sciences | USA | |
| 783 (4076) | Long Island University | USA | |
| 785 (4092) | Western Kentucky University | USA | |
| 786 (4108) | Middle Tennessee State University | USA | |
| 787 (4113) | Saint John's University | USA | |
| 787 (4113) | The College of New Jersey | USA | |
| 789 (4130) | Gonzaga University | USA | |
| 790 (4131) | Indiana University of Pennsylvania | USA | |
| 790 (4131) | University of Northern Colorado | USA | |
| 792 (4142) | Chevron Corporation | USA | |
| 793 (4147) | Carleton College | USA | |
| 794 (4153) | Arkansas State University | USA | |
| 795 (4154) | Indiana State University | USA | |
| 796 (4157) | Eastern Kentucky University | USA | |
| 797 (4167) | Saskatoon Health Region | CAN | |
| 798 (4172) | California State University, Fresno | USA | |
| 798 (4172) | Humboldt State University | USA | |
| 800 (4187) | Bard College | USA | |
| 800 (4187) | Winthrop-University Hospital | USA | |
| 802 (4192) | United States Fish and Wildlife Service | USA | |
| 803 (4197) | Fairfield University | USA | |
| 804 (4207) | Vassar College | USA | |
| 805 (4215) | University of West Florida | USA | |
| 806 (4230) | Mount Royal CollegeCA | CAN | |
| 807 (4237) | State University of West Georgia | USA | |
| 808 (4247) | Nipissing University | CAN | |
| 809 (4256) | New York Botanical Garden | USA | |
| 810 (4259) | Alliant International University | USA | |
| 811 (4271) | Rowan University | USA | |
| 812 (4291) | Central Connecticut State University | USA | |
| 812 (4291) | University of Wisconsin, Whitewater | USA | |
| 814 (4308) | Morgan State University | USA | |
| 815 (4313) | Elon University | USA | |
| 816 (4338) | Tennessee Technological University | USA | |
| 817 (4340) | Western Illinois University, Macomb | USA | |
| 818 (4350) | Maimonides Medical Center | USA | |
| 819 (4361) | Indiana University/Purdue University at Fort Wayne | USA | |
| 820 (4366) | Lafayette College | USA | |
| 821 (4374) | Seton Hall University | USA | |
| 822 (4384) | California State University, East Bay | USA | |
| 823 (4411) | New York Institute of Technology | USA | |
| 823 (4411) | University of Houston, Clear Lake | USA | |
| 825 (4420) | Texas A&M University, Corpus Christi | USA | |
| 826 (4428) | Missouri Botanical Garden | USA | |
| 826 (4428) | Texas Woman's University | USA | |
| 828 (4439) | West Chester University of Pennsylvania | USA | |
| 829 (4454) | Aerospace Corporation | USA | |
| 830 (4460) | Valdosta State University | USA | |
| 831 (4463) | Halliburton Texas, Houston | USA | |
| 832 (4475) | Northern Kentucky University | USA | |
| 833 (4494) | United States Military Academy at West Point | USA | |
| 834 (4507) | Tuskegee University | USA | |
| 835 (4511) | Eastern Illinois University | USA | |
| 836 (4518) | Quinnipiac University | USA | |
| 837 (4521) | Butler University | USA | |
| 838 (4527) | Macalester College | USA | |
| 839 (4533) | Hampton University | USA | |
| 840 (4560) | Widener University | USA | |
| 841 (4569) | California State University, Chico | USA | |
| 842 (4605) | University of Northern Iowa | USA | |
| 843 (4611) | Thompson Rivers University | CAN | |
| 844 (4626) | ConocoPhillips Company | USA | |
| 845 (4643) | Norfolk State University | USA | |
| 846 (4669) | Embry-Riddle Aeronautical University | USA | |
| 847 (4743) | University of Texas, Brownsville | USA | |
| 848 (4765) | Tennessee State University | USA | |
| 849 (4768) | Richard Stockton College of New Jersey | USA | |
| 850 (4787) | Manhattan College | USA | |
| 851 (4853) | URS Corporation | USA | |
| 852 (4861) | Purdue University Calumet | USA | |
| 853 (4904) | Atomic Energy of Canada Ltd. | CAN | |
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