| 501 (1718) | Natural Resources Canada | CAN |  |
| 502 (1725) | Children's Hospital of Wisconsin | USA |  |
| 503 (1733) | World Bank United States | USA | |
| 504 (1744) | Baker Hughes | USA |  |
| 505 (1745) | Saint Luke's Episcopal Health System | USA | |
| 506 (1768) | Communications Research Centre Canada | CAN | |
| 507 (1771) | Cincinnati VA Medical Center | USA | |
| 508 (1781) | Ford Motor Company | USA | |
| 509 (1789) | Naval Medical Center San Diego | USA | |
| 510 (1793) | ExxonMobil | USA | |
| 511 (1803) | Women and Infants Hospital of Rhode Island | USA | |
| 511 (1803) | Wright State University | USA |  |
| 513 (1808) | University of South Alabama | USA | |
| 514 (1814) | Old Dominion University | USA | |
| 515 (1818) | Santa Clara University | USA | |
| 516 (1821) | West Penn Allegheny Health System | USA | |
| 517 (1828) | NASA Langley Research Center | USA | |
| 518 (1830) | Lawson Health Research Institute | CAN | |
| 518 (1830) | University of Dayton | USA | |
| 520 (1840) | Creighton University | USA | |
| 521 (1844) | Stevens Institute of Technology | USA | |
| 522 (1849) | St. Luke's-Roosevelt Hospital Center | USA | |
| 523 (1854) | Cleveland State University | USA | |
| 524 (1859) | Miami VA Healthcare System | USA | |
| 525 (1860) | Ecole de Technologie Superieure | CAN | |
| 526 (1861) | University of New Brunswick | CAN | |
| 527 (1865) | Boise State University | USA | |
| 527 (1865) | Detroit Medical Center | USA | |
| 529 (1877) | University of Missouri, Saint Louis | USA | |
| 530 (1881) | University of Alaska, Fairbanks | USA | |
| 531 (1899) | University of Montana, Missoula | USA | |
| 532 (1902) | St. Joseph's Hospital and Medical Center | USA | |
| 533 (1906) | State University of New York, College of Environmental Science and Forestry | USA | |
| 534 (1908) | Southern Methodist University | USA | |
| 534 (1908) | SUNY Downstate Medical Center | USA | |
| 536 (1924) | University of Memphis | USA | |
| 537 (1949) | NASA Goddard Institute for Space Studies | USA | |
| 538 (1953) | Environment Canada | CAN | |
| 539 (1977) | North Florida-South Georgia Veterans Health System | USA | |
| 539 (1977) | University of North Texas Health Science Center | USA | |
| 541 (1982) | VA NY Harbor Healthcare System | USA | |
| 542 (1987) | Rothman Institute | USA | |
| 542 (1987) | The Florida A&M University and The Florida State University College of Engineering | USA | |
| 544 (1992) | University of Southern Mississippi | USA | |
| 545 (1993) | BJC HealthCare | USA | |
| 546 (1995) | Clark University | USA | |
| 547 (2004) | University of Windsor | CAN | |
| 548 (2009) | Chevron Corporation | USA | |
| 549 (2019) | Nemours A Children's Health System | USA | |
| 549 (2019) | Oakland University | USA | |
| 551 (2022) | New Mexico State University | USA | |
| 552 (2044) | Middlebury College | USA | |
| 553 (2048) | Baylor University | USA | |
| 554 (2052) | California State University, San Marcos | USA | |
| 554 (2052) | Raytheon Company | USA | |
| 554 (2052) | University of Nevada-Las Vegas | USA | |
| 557 (2061) | University of Minnesota, Duluth | USA | |
| 558 (2063) | Miriam Hospital | USA | |
| 559 (2065) | Yale New Haven Health System | USA | |
| 560 (2075) | American Museum of Natural History | USA | |
| 561 (2082) | Lockheed Martin Corporation | USA | |
| 562 (2084) | Queen Elizabeth II Health Sciences Centre | CAN | |
| 563 (2089) | University of Maryland Medical Center | USA | |
| 564 (2090) | New Mexico Institute of Mining and Technology | USA | |
| 565 (2091) | St. Joseph's Healthcare Hamilton | CAN | |
| 566 (2093) | DePaul University | USA | |
| 567 (2102) | University of North Carolina, Greensboro | USA | |
| 568 (2107) | Louisiana State University Agricultural Center | USA |  |
| 569 (2109) | Marshfield Clinic | USA | |
| 570 (2113) | Fermi National Accelerator Laboratory | USA | |
| 571 (2116) | University of Regina | CAN | |
| 572 (2123) | Space Telescope Science Institute | USA | |
| 573 (2130) | Northrop Grumman Corporation | USA | |
| 574 (2133) | Lakehead University | CAN | |
| 575 (2137) | Florida Institute of Technology | USA | |
| 575 (2137) | Foothills Medical Centre | CAN | |
| 577 (2139) | University of Massachusetts, Boston | USA | |
| 577 (2139) | Wildlife Conservation Society USA | USA | |
| 579 (2143) | Kent State University | USA | |
| 580 (2144) | Health Canada | CAN | |
| 581 (2150) | University of South Florida-Saint Petersburg | USA | |
| 582 (2155) | Boeing Company, USA | USA | |
| 583 (2156) | Indiana University-South Bend | USA | |
| 584 (2173) | University of Ontario Institute of Technology | CAN | |
| 585 (2179) | University of Denver | USA | |
| 586 (2195) | Brock University | CAN | |
| 587 (2227) | Wilfrid Laurier University | CAN | |
| 588 (2230) | Rochester Institute of Technology | USA | |
| 589 (2232) | Kingston General Hospital | CAN | |
| 590 (2255) | General Atomics | USA | |
| 591 (2268) | Morehouse School of Medicine | USA | |
| 592 (2275) | Northern Arizona University | USA | |
| 593 (2284) | Marquette University | USA | |
| 594 (2298) | Northern Illinois University | USA | |
| 595 (2304) | San Francisco State University | USA | |
| 596 (2315) | Arkansas State University | USA | |
| 597 (2318) | Bowling Green State University | USA | |
| 598 (2332) | University of Texas, El Paso | USA | |
| 599 (2339) | United Technologies Research Center | USA | |
| 600 (2354) | Hartford Hospital | USA | |
| 601 (2365) | Planetary Science Institute | USA | |
| 602 (2369) | Pomona College | USA | |
| 603 (2387) | Dow Chemical Company | USA | |
| 604 (2392) | Rehabilitation Institute of Chicago | USA | |
| 605 (2396) | South Dakota State University | USA | |
| 606 (2419) | University of Arkansas, Little Rock | USA | |
| 607 (2426) | Washington State University, Spokane Campus | USA | |
| 608 (2437) | BC Children's Hospital and Sunny Hill Health Centre for Children Vancouver | CAN | |
| 608 (2437) | Princeton Plasma Physics Laboratory | USA | |
| 610 (2442) | Villanova University | USA | |
| 611 (2457) | National Optical Astronomy Observatory | USA | |
| 612 (2462) | Western University of Health Sciences | USA | |
| 613 (2468) | San Jose State University | USA | |
| 614 (2478) | Summa Health System | USA | |
| 615 (2482) | Spitzer Science Center | USA | |
| 616 (2484) | University of Lethbridge | CAN | |
| 617 (2497) | Laurentian University | CAN | |
| 618 (2498) | University of Nebraska, Omaha | USA | |
| 619 (2501) | Northeastern Ohio Universities College of Medicine | USA | |
| 620 (2509) | IWK Health Centre | CAN | |
| 621 (2514) | Meharry Medical College | USA | |
| 622 (2518) | Baystate Health System | USA | |
| 623 (2529) | Texas Christian University | USA | |
| 624 (2536) | Jackson State University | USA | |
| 625 (2542) | University of North Dakota | USA | |
| 626 (2556) | Florida Agricultural & Mechanical University | USA | |
| 627 (2561) | Louisiana Tech University | USA | |
| 628 (2566) | California State University, Los Angeles | USA | |
| 629 (2572) | Idaho National Laboratory | USA | |
| 630 (2574) | University of the Sciences in Philadelphia | USA | |
| 631 (2578) | Children's Healthcare of Atlanta | USA | |
| 632 (2590) | East Tennessee State University | USA | |
| 633 (2597) | University of Massachusetts, Dartmouth | USA | |
| 634 (2602) | Desert Research Institute, Reno | USA | |
| 634 (2602) | Naval Postgraduate School | USA | |
| 636 (2613) | Arkansas Children's Hospital | USA | |
| 637 (2632) | University of San Francisco | USA | |
| 638 (2636) | Children's Mercy Hospital | USA | |
| 639 (2647) | Aerospace Corporation | USA | |
| 639 (2647) | Universities Space Research Association | USA | |
| 641 (2650) | Joint Institute for Laboratory Astrophysics | USA | |
| 642 (2663) | International Monetary Fund | USA | |
| 643 (2664) | Wesleyan University, Middletown | USA | |
| 644 (2673) | Duquesne University | USA | |
| 645 (2681) | Barnard College | USA | |
| 645 (2681) | City University of New York, Queens College | USA | |
| 647 (2685) | Battelle Memorial Institute | USA | |
| 648 (2693) | Geisinger Medical System | USA | |
| 649 (2694) | Western Michigan University | USA | |
| 650 (2709) | Howard University | USA | |
| 651 (2718) | Royal Military College of Canada | CAN | |
| 652 (2738) | MetroHealth System | USA | |
| 653 (2756) | Illinois State University | USA | |
| 653 (2756) | NASA Stennis Space Center | USA | |
| 655 (2759) | Thomas Jefferson National Accelerator Facility | USA | |
| 655 (2759) | University of Colorado, Colorado Springs | USA | |
| 657 (2774) | Alberta Children's Hospital | CAN | |
| 658 (2784) | Wellesley College | USA | |
| 659 (2790) | Amherst College | USA | |
| 660 (2793) | The Catholic University of America | USA | |
| 661 (2801) | Loyola Marymount University | USA | |
| 661 (2801) | Loyola University Maryland | USA | |
| 663 (2809) | University of Louisiana, Lafayette | USA | |
| 664 (2826) | University of Moncton | CAN | |
| 665 (2828) | Children's Medical Center Dallas | USA | |
| 666 (2835) | Field Museum Natural History | USA | |
| 667 (2848) | Fordham University | USA | |
| 667 (2848) | United States Naval Academy | USA | |
| 669 (2864) | Williams College | USA | |
| 670 (2867) | Marshall University | USA | |
| 670 (2867) | Trent University | CAN | |
| 672 (2883) | American University | USA | |
| 672 (2883) | St. Francis Xavier University | CAN | |
| 672 (2883) | University of Prince Edward Island | CAN | |
| 675 (2910) | University of Alabama, Huntsville | USA | |
| 676 (2912) | Naval Air Systems Command | USA | |
| 677 (2918) | Bedford Institute of Oceanography | CAN | |
| 678 (2940) | St. Joseph's Health Care London | CAN | |
| 679 (2950) | University of North Carolina, Wilmington | USA | |
| 680 (2955) | Prairie View A&M University | USA | |
| 681 (2958) | Claremont Graduate University | USA | |
| 682 (2962) | Kennesaw State University | USA | |
| 683 (2972) | Southwest Research Institute | USA | |
| 684 (2981) | Hofstra University | USA | |
| 685 (3001) | City University of New York, John Jay College of Criminal Justice | USA | |
| 685 (3001) | James Madison University | USA | |
| 687 (3005) | Texas State University, San Marcos | USA | |
| 687 (3005) | University of Texas, Pan American | USA | |
| 689 (3010) | Nova Southeastern University, Estados Unidos | USA | |
| 690 (3016) | Saskatoon Health Region | CAN | |
| 691 (3018) | Bentley University | USA | |
| 691 (3018) | South Dakota School of Mines and Technology | USA | |
| 693 (3024) | University of Tennessee, Chattanooga | USA | |
| 694 (3064) | National Radio Astronomy Observatory, Charlottesville | USA | |
| 694 (3064) | University of the Pacific | USA | |
| 696 (3078) | Glenn Research Center | USA | |
| 697 (3081) | Bryn Mawr College | USA | |
| 697 (3081) | Halliburton Texas, Houston | USA | |
| 697 (3081) | Haverford College in Pennsylvania | USA | |
| 700 (3093) | Indiana State University | USA | |
| 701 (3096) | Franklin & Marshall College | USA | |
| 702 (3099) | University of St. Thomas | USA | |
| 703 (3110) | Science Applications International Corporation | USA | |
| 704 (3142) | Infrared Processing and Analysis Center | USA | |
| 705 (3145) | US National Science Foundation | USA | |
| 705 (3145) | Walter Reed National Military Medical Center | USA | |
| 707 (3150) | Milwaukee VA Medical Center | USA | |
| 707 (3150) | Tennessee Technological University | USA | |
| 709 (3157) | Swarthmore College | USA | |
| 710 (3165) | University of Wisconsin, Eau Claire | USA | |
| 711 (3168) | California State University, Fresno | USA | |
| 712 (3173) | College of Charleston | USA | |
| 713 (3179) | Oberlin College | USA | |
| 714 (3184) | The College of New Jersey | USA | |
| 714 (3184) | West Chester University of Pennsylvania | USA | |
| 716 (3189) | California Polytechnic State University, San Luis Obispo | USA | |
| 717 (3193) | The New School | USA | |
| 717 (3193) | Winthrop-University Hospital | USA | |
| 719 (3196) | University of Wisconsin, Oshkosh | USA | |
| 720 (3200) | Athabasca University | CAN | |
| 720 (3200) | Bowdoin College | USA | |
| 722 (3205) | University of Tulsa | USA | |
| 723 (3215) | Chapman University | USA | |
| 724 (3217) | Norfolk State University | USA | |
| 725 (3220) | Acadia University | CAN | |
| 726 (3224) | Trinity University | USA | |
| 727 (3229) | California State University, Sacramento | USA | |
| 728 (3234) | Suffolk University | USA | |
| 729 (3247) | Montclair State University | USA | |
| 730 (3252) | University of Northern British Columbia | CAN | |
| 731 (3254) | Western Washington University | USA | |
| 732 (3261) | California State University, Fullerton | USA | |
| 732 (3261) | Vassar College | USA | |
| 734 (3267) | Smith College | USA | |
| 734 (3267) | University of San Diego | USA | |
| 736 (3273) | Appalachian State University | USA | |
| 737 (3285) | Midwestern University | USA | |
| 738 (3287) | The University of Vermont Medical Center | USA | |
| 739 (3291) | Gonzaga University | USA | |
| 740 (3301) | University of Northern Iowa | USA | |
| 741 (3303) | Missouri State University | USA | |
| 742 (3311) | Alberta Health Services | CAN | |
| 742 (3311) | Eastern Michigan University | USA | |
| 744 (3327) | University of Hawaii, Hilo | USA | |
| 745 (3332) | University of Richmond | USA | |
| 746 (3339) | Alegent Creighton Health | USA | |
| 747 (3348) | Delaware State University | USA | |
| 747 (3348) | Wilford Hall Ambulatory Surgical Center | USA | |
| 749 (3360) | California State University, Northridge | USA | |
| 750 (3362) | Morgan State University | USA | |
| 751 (3371) | Harvey Mudd College | USA | |
| 752 (3375) | Central Michigan University | USA | |
| 753 (3378) | Mount Holyoke College | USA | |
| 754 (3382) | NASA Johnson Space Center | USA | |
| 754 (3382) | Northern Kentucky University | USA | |
| 756 (3386) | Towson University | USA | |
| 757 (3389) | Idaho State University | USA | |
| 758 (3400) | Saint Mary's University | CAN | |
| 759 (3406) | Lamar University | USA | |
| 760 (3422) | California State University, Long Beach | USA | |
| 760 (3422) | ConocoPhillips Company | USA | |
| 762 (3445) | California State Polytechnic University, Pomona | USA | |
| 763 (3472) | TRIUMF - National Laboratory for Particle and Nuclear Physics | CAN | |
| 764 (3477) | National Radio Astronomy Observatory, Socorro | USA | |
| 765 (3481) | City University of New York, Lehman College | USA | |
| 766 (3503) | Long Island University | USA | |
| 767 (3523) | Saint John's University | USA | |
| 768 (3530) | Western Illinois University, Macomb | USA | |
| 769 (3539) | Adelphi University | USA | |
| 769 (3539) | MITRE Corporation, McLean | USA | |
| 771 (3560) | University of North Florida | USA | |
| 772 (3561) | Maimonides Medical Center | USA | |
| 773 (3572) | Colgate University | USA | |
| 774 (3585) | Washington State University, Vancouver | USA | |
| 775 (3594) | Southern University, Baton Rouge | USA | |
| 776 (3604) | Wichita State University | USA | |
| 777 (3610) | The University of Winnipeg | CAN | |
| 778 (3619) | California State University, San Bernardino | USA | |
| 778 (3619) | Pace University | USA | |
| 780 (3627) | University of Alaska, Anchorage | USA | |
| 781 (3649) | Lafayette College | USA | |
| 782 (3655) | Western Kentucky University | USA | |
| 783 (3681) | Mount Allison University | CAN | |
| 784 (3699) | California State University, East Bay | USA | |
| 785 (3701) | Tuskegee University | USA | |
| 786 (3718) | Seton Hall University | USA | |
| 787 (3722) | Rowan University | USA | |
| 788 (3745) | Southern Illinois University Edwardsville | USA | |
| 789 (3751) | Stollery Children's Hospital Foundation | CAN | |
| 790 (3762) | Western Carolina University | USA | |
| 791 (3765) | Middle Tennessee State University | USA | |
| 792 (3776) | University of Central Arkansas | USA | |
| 793 (3794) | Fairfield University | USA | |
| 794 (3796) | Texas Woman's University | USA | |
| 795 (3802) | University of Northern Colorado | USA | |
| 796 (3805) | NASA Marshall Space Flight Center | USA | |
| 797 (3809) | Claremont McKenna College | USA | |
| 798 (3820) | Electric Power Research Institute | USA | |
| 799 (3857) | Bucknell University | USA | |
| 800 (3869) | Grand Valley State University | USA | |
| 801 (3885) | Ball State University | USA | |
| 801 (3885) | Georgia Southern University | USA | |
| 801 (3885) | Sam Houston State University | USA | |
| 804 (3894) | Eastern Illinois University | USA | |
| 805 (3912) | Seattle University | USA | |
| 806 (3963) | United States Military Academy at West Point | USA | |
| 807 (3986) | Wheaton College | USA | |
| 808 (3998) | Humboldt State University | USA | |
| 808 (3998) | Youngstown State University | USA | |
| 810 (4008) | Federal Aviation Administration | USA | |
| 811 (4017) | Indiana University/Purdue University at Fort Wayne | USA | |
| 812 (4049) | University of West Florida | USA | |
| 813 (4062) | Oklahoma State University, Oklahoma City | USA | |
| 814 (4119) | Savannah River National Laboratory | USA | |
| 815 (4170) | State University of West Georgia | USA | |
| 816 (4174) | Texas A&M University, Corpus Christi | USA | |
| 817 (4200) | Widener University | USA | |
| 818 (4217) | Eastern Kentucky University | USA | |
| 819 (4223) | NASA Kennedy Space Center | USA | |
| 820 (4268) | United States Fish and Wildlife Service | USA | |
| 821 (4286) | Alliant International University | USA | |
| 822 (4344) | Embry-Riddle Aeronautical University | USA | |
| 823 (4399) | Missouri Botanical Garden | USA | |
| 824 (4402) | Weatherford International | USA | |
| 825 (4410) | Indiana University of Pennsylvania | USA | |
| 826 (4452) | Hampton University | USA | |
| 827 (4456) | Tennessee State University | USA | |
| 828 (4560) | Atomic Energy of Canada Ltd. | CAN | |
| 829 (4640) | Purdue University Calumet | USA | |
| 830 (4708) | Richard Stockton College of New Jersey | USA | |
| 831 (4777) | URS Corporation | USA | |
| 832 (4887) | Nuclear Regulatory Commission | USA | |
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