| 500 (1769) | North Texas VA Health Care System | USA |  |
| 502 (1819) | Loma Linda University | USA |  |
| 502 (1819) | World Bank United States | USA |  |
| 504 (1833) | Detroit Medical Center | USA |  |
| 504 (1833) | Santa Clara University | USA |  |
| 506 (1835) | Intermountain Healthcare | USA |  |
| 507 (1840) | Cambridge Health Alliance | USA |  |
| 508 (1844) | Ecole de Technologie Superieure | CAN |  |
| 508 (1844) | Saint Luke's Episcopal Health System | USA |  |
| 510 (1847) | OFS Laboratories | USA |  |
| 511 (1850) | Lockheed Martin Corporation | USA |  |
| 512 (1856) | Children's Hospital Los Angeles | USA |  |
| 513 (1860) | Florida Atlantic University | USA |  |
| 514 (1861) | SETI Institute | USA |  |
| 515 (1865) | Express Scripts Holding Company | USA |  |
| 516 (1878) | Old Dominion University | USA |  |
| 517 (1886) | University of Southern Mississippi | USA |  |
| 518 (1887) | Chevron Corporation | USA |  |
| 519 (1893) | Douglas Mental Health University Institute | CAN |  |
| 520 (1917) | University of Memphis | USA |  |
| 521 (1924) | SUNY Downstate Medical Center | USA |  |
| 522 (1927) | Denver Health Medical Center | USA |  |
| 523 (1930) | University of Alberta Hospital | CAN |  |
| 524 (1941) | Lakehead University | CAN |  |
| 525 (1954) | University of Alaska, Fairbanks | USA |  |
| 526 (1962) | Southern Methodist University | USA |  |
| 527 (1971) | Baylor University | USA |  |
| 527 (1971) | St. Joseph's Hospital and Medical Center | USA |  |
| 529 (1981) | Montreal School of Higher Commercial Studies | CAN |  |
| 530 (1992) | Women and Infants Hospital of Rhode Island | USA |  |
| 531 (2006) | University of Ontario Institute of Technology | CAN |  |
| 532 (2008) | North Florida-South Georgia Veterans Health System | USA |  |
| 533 (2015) | Miriam Hospital | USA |  |
| 534 (2020) | New Mexico Institute of Mining and Technology | USA |  |
| 535 (2023) | Lawson Health Research Institute | CAN |  |
| 536 (2030) | Environment Canada | CAN |  |
| 537 (2036) | University of Windsor | CAN |  |
| 538 (2043) | University of Montana, Missoula | USA |  |
| 539 (2045) | University of Nevada-Las Vegas | USA |  |
| 540 (2056) | ExxonMobil | USA |  |
| 541 (2067) | University of Dayton | USA |  |
| 542 (2072) | Clark University | USA |  |
| 542 (2072) | Oakland University | USA |  |
| 544 (2076) | Kent State University | USA |  |
| 545 (2079) | Brock University | CAN |  |
| 545 (2079) | State University of New York, College of Environmental Science and Forestry | USA |  |
| 545 (2079) | University of Minnesota, Duluth | USA |  |
| 548 (2082) | NASA Langley Research Center | USA |  |
| 549 (2083) | University of Maryland Medical Center | USA |  |
| 550 (2094) | Kingston General Hospital | CAN |  |
| 551 (2097) | Miami University of Ohio | USA |  |
| 552 (2104) | University of North Texas Health Science Center | USA |  |
| 553 (2109) | West Penn Allegheny Health System | USA |  |
| 554 (2111) | Miami VA Healthcare System | USA |  |
| 555 (2114) | University of South Florida-Saint Petersburg | USA |  |
| 556 (2122) | Health Canada | CAN |  |
| 557 (2128) | University of Massachusetts, Boston | USA |  |
| 558 (2133) | James A. Haley Veterans' Hospital | USA |  |
| 559 (2141) | Cincinnati VA Medical Center | USA |  |
| 560 (2147) | Northern Illinois University | USA |  |
| 561 (2149) | University of North Carolina, Greensboro | USA |  |
| 562 (2155) | Louisiana State University Agricultural Center | USA |  |
| 563 (2158) | Space Telescope Science Institute | USA |  |
| 564 (2160) | Fermi National Accelerator Laboratory | USA |  |
| 565 (2164) | New Mexico State University | USA |  |
| 566 (2176) | St. Luke's-Roosevelt Hospital Center | USA |  |
| 567 (2179) | BJC HealthCare | USA |  |
| 567 (2179) | California State University, San Marcos | USA |  |
| 569 (2185) | Children's Hospital Colorado | USA |  |
| 570 (2191) | Bowling Green State University | USA |  |
| 571 (2193) | University of Missouri, Saint Louis | USA |  |
| 572 (2199) | Yale New Haven Health System | USA |  |
| 573 (2203) | Summa Health System | USA |  |
| 574 (2205) | University of Denver | USA |  |
| 575 (2209) | San Francisco State University | USA |  |
| 576 (2213) | Northrop Grumman Corporation | USA |  |
| 577 (2225) | National Institute of Aerospace | USA |  |
| 578 (2242) | University of New Brunswick | CAN |  |
| 579 (2248) | Marshfield Clinic | USA |  |
| 580 (2257) | Boise State University | USA |  |
| 581 (2261) | St. Joseph's Healthcare Hamilton | CAN |  |
| 582 (2264) | Northern Arizona University | USA |  |
| 583 (2272) | Florida Institute of Technology | USA |  |
| 584 (2276) | Indiana University-South Bend | USA |  |
| 585 (2288) | Boeing Company, USA | USA |  |
| 586 (2314) | Middlebury College | USA |  |
| 587 (2333) | Raytheon Company | USA |  |
| 588 (2339) | Marquette University | USA |  |
| 589 (2350) | American Museum of Natural History | USA |  |
| 590 (2364) | Nemours A Children's Health System | USA |  |
| 591 (2378) | Science System and Applications, Inc | USA |  |
| 592 (2385) | University of Regina | CAN |  |
| 593 (2388) | VA NY Harbor Healthcare System | USA |  |
| 594 (2405) | Planetary Science Institute | USA |  |
| 595 (2413) | University of Arkansas, Little Rock | USA |  |
| 596 (2422) | Meharry Medical College | USA |  |
| 597 (2430) | Wesleyan University, Middletown | USA |  |
| 598 (2433) | DePaul University | USA |  |
| 599 (2436) | Institut Universitaire de Geriatrie de Montreal | CAN |  |
| 600 (2440) | Rochester Institute of Technology | USA |  |
| 601 (2444) | Villanova University | USA |  |
| 602 (2450) | Laurentian University | CAN |  |
| 602 (2450) | University of Texas, El Paso | USA |  |
| 604 (2461) | Cleveland State University | USA |  |
| 604 (2461) | Rothman Institute | USA |  |
| 606 (2463) | VA Long Beach Healthcare System | USA |  |
| 607 (2476) | Geisinger Medical System | USA |  |
| 608 (2483) | University of the Sciences in Philadelphia | USA |  |
| 608 (2483) | Wildlife Conservation Society USA | USA |  |
| 610 (2486) | Foothills Medical Centre | CAN |  |
| 611 (2490) | Hartford Hospital | USA |  |
| 611 (2490) | Queen Elizabeth II Health Sciences Centre | CAN |  |
| 613 (2502) | University of North Dakota | USA |  |
| 614 (2512) | University of Nebraska, Omaha | USA |  |
| 615 (2516) | University of Lethbridge | CAN |  |
| 616 (2519) | Baystate Health System | USA |  |
| 617 (2521) | Western University of Health Sciences | USA |  |
| 618 (2530) | United Technologies Research Center | USA |  |
| 619 (2538) | Children's Healthcare of Atlanta | USA |  |
| 620 (2573) | Wilfrid Laurier University | CAN |  |
| 621 (2580) | Rehabilitation Institute of Chicago | USA |  |
| 622 (2598) | University of San Francisco | USA |  |
| 623 (2602) | National Optical Astronomy Observatory | USA |  |
| 624 (2611) | IWK Health Centre | CAN |  |
| 625 (2616) | Arkansas State University | USA |  |
| 626 (2622) | Idaho National Laboratory | USA |  |
| 627 (2625) | International Monetary Fund | USA |  |
| 628 (2628) | City University of New York, Queens College | USA |  |
| 628 (2628) | Dow Chemical Company | USA |  |
| 630 (2680) | Arkansas Children's Hospital | USA |  |
| 631 (2690) | South Dakota State University | USA |  |
| 632 (2700) | San Jose State University | USA |  |
| 633 (2713) | Universities Space Research Association | USA |  |
| 634 (2720) | Barnard College | USA |  |
| 635 (2737) | Florida Agricultural & Mechanical University | USA |  |
| 635 (2737) | Joint Institute for Laboratory Astrophysics | USA |  |
| 637 (2754) | Spitzer Science Center | USA |  |
| 638 (2760) | American University | USA |  |
| 639 (2778) | Alberta Children's Hospital | CAN |  |
| 640 (2794) | Dickinson College | USA |  |
| 641 (2810) | East Tennessee State University | USA |  |
| 642 (2818) | University of Alabama, Huntsville | USA |  |
| 643 (2830) | Children's Mercy Hospital | USA |  |
| 644 (2847) | Illinois State University | USA |  |
| 645 (2850) | Louisiana Tech University | USA |  |
| 646 (2852) | Los Angeles County-USC Medical Center | USA |  |
| 647 (2859) | Naval Postgraduate School | USA |  |
| 648 (2862) | University of Wisconsin, Oshkosh | USA |  |
| 649 (2869) | Texas Christian University | USA |  |
| 650 (2875) | Howard University | USA |  |
| 651 (2892) | Duquesne University | USA |  |
| 652 (2894) | Field Museum Natural History | USA |  |
| 653 (2905) | Princeton Plasma Physics Laboratory | USA |  |
| 654 (2912) | Desert Research Institute, Reno | USA |  |
| 655 (2915) | Southwest Research Institute | USA |  |
| 655 (2915) | University of St. Thomas | USA |  |
| 657 (2920) | Infrared Processing and Analysis Center | USA |  |
| 658 (2925) | Subaru Telescope | USA |  |
| 659 (2935) | Texas State University, San Marcos | USA |  |
| 660 (2938) | Battelle Memorial Institute | USA |  |
| 660 (2938) | University of Prince Edward Island | CAN |  |
| 662 (2944) | Williams College | USA |  |
| 663 (2948) | Marshall University | USA |  |
| 663 (2948) | Prairie View A&M University | USA |  |
| 663 (2948) | Statistics Canada | CAN |  |
| 666 (2956) | Morehouse School of Medicine | USA |  |
| 666 (2956) | Tom Baker Cancer Centre | CAN |  |
| 668 (2965) | General Atomics | USA |  |
| 669 (2967) | Clark Atlanta University | USA |  |
| 669 (2967) | St. Francis Xavier University | CAN |  |
| 671 (2970) | Western Michigan University | USA |  |
| 672 (2976) | Royal Military College of Canada | CAN |  |
| 673 (2978) | Claremont Graduate University | USA |  |
| 674 (2985) | South Dakota School of Mines and Technology | USA |  |
| 675 (2992) | Swarthmore College | USA |  |
| 676 (3005) | Bryn Mawr College | USA |  |
| 677 (3022) | Glenn Research Center | USA |  |
| 677 (3022) | Jackson State University | USA |  |
| 679 (3041) | Gonzaga University | USA |  |
| 680 (3045) | Trent University | CAN |  |
| 681 (3049) | ConocoPhillips Company | USA |  |
| 682 (3060) | Fordham University | USA |  |
| 683 (3072) | University of Colorado, Colorado Springs | USA |  |
| 684 (3092) | TRIUMF - National Laboratory for Particle and Nuclear Physics | CAN |  |
| 685 (3097) | Athabasca University | CAN |  |
| 686 (3103) | Pomona College | USA |  |
| 687 (3108) | University of Massachusetts, Dartmouth | USA |  |
| 688 (3111) | Bedford Institute of Oceanography | CAN |  |
| 688 (3111) | California State University, Los Angeles | USA |  |
| 688 (3111) | Kennesaw State University | USA |  |
| 691 (3119) | Indiana State University | USA |  |
| 691 (3119) | Norfolk State University | USA |  |
| 693 (3126) | James Madison University | USA |  |
| 694 (3130) | Eastern Michigan University | USA |  |
| 694 (3130) | Saskatoon Health Region | CAN |  |
| 696 (3138) | Thomas Jefferson National Accelerator Facility | USA |  |
| 697 (3143) | St. Joseph's Health Care London | CAN |  |
| 698 (3146) | BC Children's Hospital and Sunny Hill Health Centre for Children Vancouver | CAN |  |
| 699 (3147) | Franklin & Marshall College | USA |  |
| 700 (3158) | MetroHealth System | USA |  |
| 701 (3166) | National Radio Astronomy Observatory, Charlottesville | USA |  |
| 702 (3168) | Washington State University, Spokane Campus | USA |  |
| 703 (3174) | Aerospace Corporation | USA |  |
| 703 (3174) | Bowdoin College | USA |  |
| 703 (3174) | NASA Stennis Space Center | USA |  |
| 706 (3187) | Winthrop-University Hospital | USA |  |
| 707 (3189) | University of Louisiana, Lafayette | USA |  |
| 707 (3189) | University of Tennessee, Chattanooga | USA |  |
| 709 (3193) | Trinity University | USA |  |
| 710 (3201) | Oberlin College | USA |  |
| 711 (3204) | Hofstra University | USA |  |
| 712 (3210) | Mount Holyoke College | USA |  |
| 713 (3217) | Children's Medical Center Dallas | USA |  |
| 713 (3217) | Nova Southeastern University, Estados Unidos | USA |  |
| 715 (3230) | Walter Reed National Military Medical Center | USA |  |
| 716 (3236) | University of Wisconsin, Eau Claire | USA |  |
| 717 (3247) | Lamar University | USA |  |
| 717 (3247) | Loyola Marymount University | USA |  |
| 719 (3249) | The Catholic University of America | USA |  |
| 720 (3252) | University of North Carolina, Wilmington | USA |  |
| 720 (3252) | Wellesley College | USA |  |
| 722 (3260) | Montclair State University | USA |  |
| 723 (3264) | College of the Holy Cross | USA |  |
| 724 (3270) | Northern Kentucky University | USA |  |
| 725 (3287) | California Polytechnic State University, San Luis Obispo | USA |  |
| 726 (3307) | University of Tulsa | USA |  |
| 726 (3307) | Western Washington University | USA |  |
| 728 (3318) | California State University, Fullerton | USA |  |
| 729 (3321) | Harvey Mudd College | USA |  |
| 730 (3330) | Long Island University | USA |  |
| 731 (3368) | Bentley University | USA |  |
| 732 (3377) | Alberta Health Services | CAN |  |
| 733 (3378) | Xavier University | USA |  |
| 734 (3380) | Delaware State University | USA |  |
| 735 (3410) | Adelphi University | USA |  |
| 735 (3410) | College of Charleston | USA |  |
| 737 (3415) | Chapman University | USA |  |
| 738 (3418) | City University of New York, John Jay College of Criminal Justice | USA |  |
| 739 (3420) | National Radio Astronomy Observatory, Socorro | USA |  |
| 740 (3433) | NASA Johnson Space Center | USA |  |
| 740 (3433) | The New School | USA |  |
| 742 (3443) | California State University, Fresno | USA |  |
| 742 (3443) | University of the Pacific | USA |  |
| 744 (3447) | University of Richmond | USA |  |
| 745 (3460) | Milwaukee VA Medical Center | USA |  |
| 746 (3465) | Central Michigan University | USA |  |
| 747 (3467) | California State University, Sacramento | USA |  |
| 748 (3478) | California State University, Long Beach | USA |  |
| 749 (3480) | Naval Medical Center Portsmouth | USA |  |
| 750 (3482) | Morgan State University | USA |  |
| 751 (3485) | Colgate University | USA |  |
| 752 (3489) | University of North Florida | USA |  |
| 753 (3491) | Saint Mary's University | CAN |  |
| 754 (3492) | Simmons College | USA |  |
| 755 (3500) | Vassar College | USA |  |
| 756 (3508) | New York Institute of Technology | USA |  |
| 756 (3508) | Smith College | USA |  |
| 758 (3514) | California State University, San Bernardino | USA |  |
| 759 (3517) | Idaho State University | USA |  |
| 760 (3522) | Acadia University | CAN |  |
| 760 (3522) | Wichita State University | USA |  |
| 762 (3533) | City University of New York, Lehman College | USA |  |
| 762 (3533) | Midwestern University | USA |  |
| 764 (3538) | University of Alaska, Anchorage | USA |  |
| 764 (3538) | University of Hawaii, Hilo | USA |  |
| 766 (3549) | Missouri State University | USA |  |
| 767 (3555) | Utah Valley University | USA |  |
| 768 (3566) | The University of Vermont Medical Center | USA |  |
| 769 (3570) | University of Northern British Columbia | CAN |  |
| 770 (3574) | Sonoma State University | USA |  |
| 771 (3578) | Appalachian State University | USA |  |
| 772 (3582) | US National Science Foundation | USA |  |
| 773 (3594) | California State Polytechnic University, Pomona | USA |  |
| 774 (3604) | Towson University | USA |  |
| 774 (3604) | United States Naval Academy | USA |  |
| 776 (3609) | Loyola University Maryland | USA |  |
| 777 (3635) | Royal Ontario Museum | CAN |  |
| 778 (3638) | Pace University | USA |  |
| 779 (3658) | Maimonides Medical Center | USA |  |
| 780 (3665) | Youngstown State University | USA |  |
| 781 (3667) | Macalester College | USA |  |
| 782 (3679) | Southern University, Baton Rouge | USA |  |
| 782 (3679) | The University of Winnipeg | CAN |  |
| 784 (3683) | California State University, Northridge | USA |  |
| 785 (3700) | Science Applications International Corporation | USA |  |
| 785 (3700) | University of San Diego | USA |  |
| 787 (3706) | Western Illinois University, Macomb | USA |  |
| 788 (3707) | University of Wisconsin, Whitewater | USA |  |
| 789 (3722) | University of Texas, Pan American | USA |  |
| 790 (3730) | Southern Illinois University Edwardsville | USA |  |
| 791 (3749) | Drake University | USA |  |
| 792 (3765) | Suffolk University | USA |  |
| 792 (3765) | Western Kentucky University | USA |  |
| 794 (3780) | Saint John's University | USA |  |
| 794 (3780) | The College of New Jersey | USA |  |
| 794 (3780) | University of Moncton | CAN |  |
| 794 (3780) | West Chester University of Pennsylvania | USA |  |
| 798 (3789) | Middle Tennessee State University | USA |  |
| 798 (3789) | MITRE Corporation, McLean | USA |  |
| 800 (3807) | Lafayette College | USA |  |
| 801 (3814) | Ithaca College | USA |  |
| 802 (3832) | Western Carolina University | USA |  |
| 803 (3848) | Amherst College | USA |  |
| 804 (3864) | Washington State University, Vancouver | USA |  |
| 805 (3883) | Halliburton Texas, Houston | USA |  |
| 806 (3895) | Georgia Southern University | USA |  |
| 807 (3899) | Claremont McKenna College | USA |  |
| 808 (3944) | Bucknell University | USA |  |
| 809 (3948) | Christopher Newport University | USA |  |
| 809 (3948) | Sam Houston State University | USA |  |
| 811 (3956) | Indiana University/Purdue University at Fort Wayne | USA |  |
| 812 (3961) | Tennessee Technological University | USA |  |
| 813 (3977) | Coastal Carolina University | USA |  |
| 813 (3977) | Fairfield University | USA |  |
| 815 (3991) | University of Houston, Clear Lake | USA |  |
| 816 (3994) | United States Military Academy at West Point | USA |  |
| 817 (3997) | Mount Allison University | CAN |  |
| 818 (4011) | University of Northern Iowa | USA |  |
| 819 (4020) | Ball State University | USA |  |
| 820 (4046) | Seton Hall University | USA |  |
| 821 (4058) | State University of New York, Buffalo State College | USA |  |
| 821 (4058) | Wheaton College | USA |  |
| 823 (4068) | Loyola University New Orleans | USA |  |
| 824 (4070) | Fairleigh Dickinson University | USA |  |
| 825 (4081) | Elon University | USA |  |
| 826 (4092) | Humboldt State University | USA |  |
| 827 (4101) | Electric Power Research Institute | USA |  |
| 827 (4101) | NASA Marshall Space Flight Center | USA |  |
| 829 (4129) | State University of West Georgia | USA |  |
| 830 (4154) | Bard College | USA |  |
| 830 (4154) | NASA Kennedy Space Center | USA |  |
| 832 (4159) | Seattle University | USA |  |
| 833 (4165) | California State University, East Bay | USA |  |
| 834 (4168) | Eastern Illinois University | USA |  |
| 834 (4168) | University of Northern Colorado | USA |  |
| 836 (4176) | Rowan University | USA |  |
| 837 (4213) | Tuskegee University | USA |  |
| 838 (4219) | New York Botanical Garden | USA |  |
| 839 (4229) | Savannah River National Laboratory | USA |  |
| 840 (4233) | Oklahoma State University, Oklahoma City | USA |  |
| 841 (4266) | California State University, Chico | USA |  |
| 842 (4283) | University of West Florida | USA |  |
| 843 (4317) | California Academy of Sciences | USA |  |
| 844 (4330) | United States Fish and Wildlife Service | USA |  |
| 845 (4379) | Grand Valley State University | USA |  |
| 846 (4388) | Texas Woman's University | USA |  |
| 847 (4396) | Eastern Kentucky University | USA |  |
| 848 (4418) | Alliant International University | USA |  |
| 849 (4424) | Quinnipiac University | USA |  |
| 850 (4446) | Indiana University of Pennsylvania | USA |  |
| 851 (4454) | Embry-Riddle Aeronautical University | USA |  |
| 852 (4476) | Manhattan College | USA |  |
| 853 (4513) | University of Texas, Brownsville | USA |  |
| 854 (4586) | Widener University | USA |  |
| 855 (4620) | Texas A&M University, Corpus Christi | USA |  |
| 856 (4648) | Hampton University | USA |  |
| 857 (4666) | Missouri Botanical Garden | USA |  |
| 858 (4679) | Tennessee State University | USA |  |
| 859 (4798) | Richard Stockton College of New Jersey | USA |  |
| 860 (4816) | Purdue University Calumet | USA |  |
| 861 (4869) | URS Corporation | USA |  |
| 862 (4881) | Institute of Particle Physics | CAN |  |
| 863 (4886) | Atomic Energy of Canada Ltd. | CAN |  |
| 864 (5055) | Muons, Inc. | USA |  |
| 865 (5061) | AECOM | USA |  |
| 866 (5067) | Nuclear Regulatory Commission | USA |  |
| 867 (5071) | Research Institute for Fragrance Materials | USA |  |
| 868 (5074) | American Geophysical Union | USA |  |
|