| 501 (1930) | Raytheon Company | USA |  |
| 502 (1935) | Memorial University of Newfoundland | CAN |  |
| 503 (1939) | University of the Sciences in Philadelphia | USA | |
| 504 (1954) | Hartford Hospital | USA |  |
| 505 (1959) | Nemours A Children's Health System | USA |  |
| 506 (1976) | University of Alabama, Tuscaloosa | USA | |
| 507 (1980) | University of Maine, Orono | USA | |
| 507 (1980) | University of Oregon | USA | |
| 509 (1987) | University of Nebraska, Omaha | USA | |
| 510 (1992) | BJC HealthCare | USA | |
| 510 (1992) | Florida Atlantic University | USA | |
| 510 (1992) | NASA Ames Research Center | USA | |
| 513 (1999) | Oakland University | USA | |
| 514 (2005) | Children's Mercy Hospital | USA | |
| 515 (2008) | South Dakota State University | USA | |
| 516 (2018) | Miami VA Healthcare System | USA | |
| 517 (2023) | North Texas VA Health Care System | USA | |
| 518 (2032) | United Technologies Research Center | USA | |
| 519 (2047) | Syracuse University | USA | |
| 520 (2058) | James J. Peters VA Medical Center | USA | |
| 521 (2064) | Middlebury College | USA | |
| 521 (2064) | Northeastern Ohio Universities College of Medicine | USA | |
| 523 (2072) | Denver Health Medical Center | USA | |
| 524 (2082) | University of South Florida-Saint Petersburg | USA | |
| 525 (2097) | NASA Langley Research Center | USA | |
| 525 (2097) | Naval Air Systems Command | USA | |
| 527 (2110) | Northrop Grumman Corporation | USA | |
| 528 (2118) | Arkansas Children's Hospital | USA | |
| 529 (2128) | Old Dominion University | USA | |
| 530 (2132) | St. Joseph's Hospital and Medical Center | USA | |
| 531 (2147) | Partners HealthCare System | USA | |
| 532 (2152) | The University of Vermont Medical Center | USA | |
| 532 (2152) | University of Maryland Medical Center | USA | |
| 532 (2152) | University of Massachusetts, Boston | USA | |
| 535 (2159) | The Catholic University of America | USA | |
| 536 (2170) | Arkansas State University | USA | |
| 536 (2170) | Central Michigan University | USA | |
| 538 (2175) | Amherst College | USA | |
| 539 (2181) | Intermountain Healthcare | USA | |
| 540 (2194) | Children's Medical Center Dallas | USA | |
| 540 (2194) | National High Magnetic Field Laboratory | USA | |
| 540 (2194) | University of New Brunswick | CAN | |
| 543 (2209) | Science Applications International Corporation | USA | |
| 544 (2212) | Marquette University | USA | |
| 544 (2212) | University of Arkansas, Little Rock | USA | |
| 544 (2212) | University of Massachusetts, Dartmouth | USA | |
| 547 (2218) | NASA Stennis Space Center | USA | |
| 547 (2218) | Rothman Institute | USA | |
| 549 (2222) | University of California, Merced | USA | |
| 550 (2231) | Florida Institute of Technology | USA | |
| 551 (2235) | University of Wyoming | USA | |
| 552 (2238) | Children's Hospital of Eastern Ontario | CAN | |
| 552 (2238) | Woods Hole Oceanographic Institution | USA |  |
| 554 (2241) | Kent State University | USA | |
| 554 (2241) | San Francisco State University | USA | |
| 556 (2254) | Queen Elizabeth II Health Sciences Centre | CAN | |
| 557 (2301) | Texas Christian University | USA | |
| 557 (2301) | University of Louisiana, Lafayette | USA | |
| 559 (2310) | Midwestern University | USA | |
| 560 (2313) | East Tennessee State University | USA | |
| 561 (2317) | College of William and Mary | USA | |
| 562 (2322) | Ecole de Technologie Superieure | CAN | |
| 562 (2322) | University of Minnesota, Duluth | USA | |
| 564 (2329) | South Dakota School of Mines and Technology | USA | |
| 565 (2334) | University of Windsor | CAN | |
| 566 (2339) | Marshall University | USA | |
| 567 (2350) | Northern Kentucky University | USA | |
| 568 (2360) | Tennessee Technological University | USA | |
| 569 (2364) | Saint John's University | USA | |
| 570 (2366) | University of North Dakota | USA | |
| 571 (2370) | University of New Hampshire | USA | |
| 572 (2375) | San Jose State University | USA | |
| 573 (2404) | Brock University | CAN | |
| 574 (2413) | Douglas Mental Health University Institute | CAN | |
| 575 (2433) | New Mexico Institute of Mining and Technology | USA | |
| 576 (2447) | Monterey Bay Aquarium Research Institute | USA | |
| 577 (2470) | University of Missouri, Saint Louis | USA | |
| 578 (2472) | MetroHealth System | USA | |
| 579 (2487) | City University of New York, Queens College | USA | |
| 580 (2492) | University of Ontario Institute of Technology | CAN | |
| 581 (2495) | Baylor University | USA | |
| 582 (2507) | California Polytechnic State University, San Luis Obispo | USA | |
| 582 (2507) | Foothills Medical Centre | CAN | |
| 582 (2507) | Milwaukee VA Medical Center | USA | |
| 585 (2519) | Institute for Advanced Study | USA | |
| 585 (2519) | Northern Illinois University | USA | |
| 587 (2541) | BC Children's Hospital and Sunny Hill Health Centre for Children Vancouver | CAN | |
| 587 (2541) | Kingston General Hospital | CAN | |
| 589 (2546) | University of Texas, Pan American | USA | |
| 590 (2549) | Northern Arizona University | USA | |
| 591 (2553) | University of Denver | USA | |
| 592 (2560) | Royal Military College of Canada | CAN | |
| 593 (2568) | Loyola University Maryland | USA | |
| 594 (2572) | University of Lethbridge | CAN | |
| 595 (2574) | Idaho National Laboratory | USA | |
| 595 (2574) | Nova Southeastern University, Estados Unidos | USA | |
| 597 (2581) | University of Moncton | CAN | |
| 598 (2591) | IWK Health Centre | CAN | |
| 599 (2594) | AECOM | USA | |
| 599 (2594) | West Chester University of Pennsylvania | USA | |
| 601 (2603) | Saskatoon Health Region | CAN | |
| 602 (2619) | Alberta Children's Hospital | CAN | |
| 602 (2619) | University of Tulsa | USA | |
| 602 (2619) | Women and Infants Hospital of Rhode Island | USA | |
| 605 (2633) | Rady Children's Hospital-San Diego | USA | |
| 606 (2640) | Detroit Medical Center | USA | |
| 606 (2640) | Electric Power Research Institute | USA | |
| 608 (2646) | California State Polytechnic University, Pomona | USA | |
| 609 (2656) | Tuskegee University | USA | |
| 610 (2661) | Wilford Hall Ambulatory Surgical Center | USA | |
| 611 (2666) | Western Illinois University, Macomb | USA | |
| 611 (2666) | Yale New Haven Health System | USA | |
| 613 (2675) | Natural Resources Canada | CAN | |
| 613 (2675) | Rehabilitation Institute of Chicago | USA | |
| 615 (2680) | Williams College | USA | |
| 616 (2699) | Southwest Research Institute | USA | |
| 616 (2699) | Winthrop-University Hospital | USA | |
| 618 (2704) | US National Science Foundation | USA | |
| 619 (2711) | California State University, Los Angeles | USA | |
| 620 (2714) | St. Joseph's Healthcare Hamilton | CAN | |
| 621 (2716) | Villanova University | USA | |
| 622 (2719) | University of St. Thomas | USA | |
| 623 (2727) | James Madison University | USA | |
| 623 (2727) | SLAC National Accelerator Laboratory | USA | |
| 625 (2740) | California State University, Sacramento | USA | |
| 625 (2740) | NASA Goddard Space Flight Center | USA | |
| 627 (2745) | Trinity University | USA | |
| 628 (2747) | Canadian Institute for Advance Research | CAN | |
| 629 (2754) | Naval Postgraduate School | USA | |
| 630 (2762) | Western Michigan University | USA | |
| 631 (2770) | Lamar University | USA | |
| 632 (2774) | University of Wisconsin, Eau Claire | USA | |
| 633 (2783) | Seton Hall University | USA | |
| 634 (2788) | Adelphi University | USA | |
| 634 (2788) | Eastern Michigan University | USA | |
| 636 (2793) | University of Alabama, Huntsville | USA | |
| 637 (2808) | Prairie View A&M University | USA | |
| 638 (2811) | Bowdoin College | USA | |
| 638 (2811) | Bowling Green State University | USA | |
| 638 (2811) | University of North Carolina, Wilmington | USA | |
| 638 (2811) | University of Prince Edward Island | CAN | |
| 642 (2854) | NASA Johnson Space Center | USA | |
| 643 (2861) | National Oceanic and Atmospheric Administration | USA | |
| 644 (2887) | Thomas Jefferson National Accelerator Facility | USA | |
| 644 (2887) | University of Nevada-Las Vegas | USA | |
| 646 (2900) | United States Geological Survey | USA | |
| 647 (2919) | Geisinger Medical System | USA | |
| 648 (2927) | Savannah River National Laboratory | USA | |
| 649 (2949) | State University of New York, College of Environmental Science and Forestry | USA | |
| 650 (2966) | Jackson State University | USA | |
| 651 (2971) | Harvard Pilgrim Health Care | USA | |
| 652 (2975) | St. Joseph's Health Care London | CAN | |
| 653 (2985) | Towson University | USA | |
| 653 (2985) | University of Richmond | USA | |
| 655 (2990) | Lakehead University | CAN | |
| 655 (2990) | University of Northern British Columbia | CAN | |
| 657 (3013) | Group Health Cooperative | USA | |
| 657 (3013) | Rowan University | USA | |
| 659 (3049) | Wilfrid Laurier University | CAN | |
| 660 (3068) | California State University, Fresno | USA | |
| 661 (3090) | Suffolk University | USA | |
| 662 (3103) | University of San Francisco | USA | |
| 663 (3109) | United States Military Academy at West Point | USA | |
| 664 (3113) | University of Regina | CAN | |
| 665 (3120) | DePaul University | USA | |
| 666 (3138) | Acadia University | CAN | |
| 666 (3138) | University of Maryland, Center for Environmental Science | USA | |
| 668 (3148) | Rotman Research Institute | CAN | |
| 668 (3148) | University of Central Arkansas | USA | |
| 670 (3159) | Joint Institute for Laboratory Astrophysics | USA | |
| 671 (3179) | Long Island University | USA | |
| 672 (3186) | Indiana University/Purdue University at Fort Wayne | USA | |
| 672 (3186) | Laurentian University | CAN | |
| 672 (3186) | University of North Carolina, Greensboro | USA | |
| 675 (3215) | University of Northern Colorado | USA | |
| 676 (3219) | Lafayette College | USA | |
| 677 (3227) | University of Montana, Missoula | USA | |
| 678 (3230) | Desert Research Institute, Reno | USA | |
| 679 (3245) | Children's Healthcare of Atlanta | USA | |
| 680 (3264) | Los Angeles County-USC Medical Center | USA | |
| 681 (3269) | California State University, East Bay | USA | |
| 682 (3277) | Loyola Marymount University | USA | |
| 683 (3286) | Maimonides Medical Center | USA | |
| 684 (3297) | Idaho State University | USA | |
| 684 (3297) | St. Francis Xavier University | CAN | |
| 686 (3307) | The College of New Jersey | USA | |
| 687 (3313) | United States Naval Academy | USA | |
| 688 (3322) | California State University, Northridge | USA | |
| 688 (3322) | Miriam Hospital | USA | |
| 690 (3326) | Wesleyan University, Middletown | USA | |
| 691 (3342) | Middle Tennessee State University | USA | |
| 692 (3351) | Indiana State University | USA | |
| 692 (3351) | Regenstrief Institute | USA | |
| 692 (3351) | Wichita State University | USA | |
| 695 (3354) | University of Alaska, Fairbanks | USA | |
| 696 (3363) | Texas State University, San Marcos | USA | |
| 697 (3414) | Bucknell University | USA | |
| 697 (3414) | Montclair State University | USA | |
| 697 (3414) | NASA Kennedy Space Center | USA | |
| 700 (3420) | Southern University, Baton Rouge | USA | |
| 701 (3430) | California State University, Long Beach | USA | |
| 702 (3436) | California State University, Chico | USA | |
| 702 (3436) | Cambridge Health Alliance | USA | |
| 702 (3436) | Claremont Graduate University | USA | |
| 705 (3447) | Montreal School of Higher Commercial Studies | CAN | |
| 705 (3447) | Science System and Applications, Inc | USA | |
| 707 (3456) | Mount Allison University | CAN | |
| 708 (3463) | Institute for Clinical Evaluative Sciences | CAN | |
| 709 (3472) | University of San Diego | USA | |
| 710 (3483) | College of Charleston | USA | |
| 711 (3489) | Canadian Space Agency | CAN | |
| 711 (3489) | General Atomics | USA | |
| 711 (3489) | Morgan State University | USA | |
| 714 (3497) | National Center for Atmospheric Research | USA | |
| 714 (3497) | University of North Florida | USA | |
| 716 (3512) | Texas A&M University, Corpus Christi | USA | |
| 717 (3521) | NASA Marshall Space Flight Center | USA | |
| 718 (3536) | Missouri Botanical Garden | USA | |
| 719 (3544) | Grand Valley State University | USA | |
| 720 (3551) | Baystate Health System | USA | |
| 720 (3551) | Swarthmore College | USA | |
| 722 (3557) | Georgia Southern University | USA | |
| 723 (3577) | Hampton University | USA | |
| 723 (3577) | Kennesaw State University | USA | |
| 725 (3590) | Southern Arizona Veterans Administration Health Care System | USA | |
| 726 (3602) | Western Kentucky University | USA | |
| 727 (3612) | Illinois State University | USA | |
| 728 (3625) | Saint Cloud State University | USA | |
| 728 (3625) | University of Wisconsin, Oshkosh | USA | |
| 730 (3634) | University of Alaska, Anchorage | USA | |
| 731 (3637) | Barnard College | USA | |
| 732 (3684) | New England Research Institutes | USA | |
| 733 (3707) | Appalachian State University | USA | |
| 733 (3707) | City University of New York, Lehman College | USA | |
| 735 (3715) | Joint Quantum Institute | USA | |
| 735 (3715) | Mount Holyoke College | USA | |
| 737 (3722) | Southern Illinois University Edwardsville | USA | |
| 738 (3738) | Hofstra University | USA | |
| 739 (3750) | Pace University | USA | |
| 739 (3750) | TRIUMF - National Laboratory for Particle and Nuclear Physics | CAN | |
| 741 (3764) | Sonoma State University | USA | |
| 742 (3779) | Saint Mary's University | CAN | |
| 743 (3781) | Wellesley College | USA | |
| 744 (3796) | Drake University | USA | |
| 745 (3801) | Youngstown State University | USA | |
| 746 (3813) | Vassar College | USA | |
| 747 (3821) | Delaware State University | USA | |
| 748 (3833) | Bentley University | USA | |
| 748 (3833) | Environment Canada | CAN | |
| 750 (3842) | The University of Winnipeg | CAN | |
| 751 (3848) | Eastern Illinois University | USA | |
| 752 (3856) | Fairfield University | USA | |
| 752 (3856) | Fordham University | USA | |
| 752 (3856) | Trent University | CAN | |
| 755 (3866) | Southeastern Louisiana University | USA | |
| 755 (3866) | Washington State University, Vancouver | USA | |
| 757 (3877) | Ball State University | USA | |
| 758 (3880) | Embry-Riddle Aeronautical University | USA | |
| 759 (3887) | Smith College | USA | |
| 759 (3887) | University of Northern Iowa | USA | |
| 761 (3906) | Princeton Plasma Physics Laboratory | USA | |
| 761 (3906) | Texas Woman's University | USA | |
| 763 (3916) | National Bureau of Economic Research | USA | |
| 763 (3916) | Universities Space Research Association | USA | |
| 765 (3925) | RAND Corporation | USA | |
| 766 (3947) | Fermi National Accelerator Laboratory | USA | |
| 767 (3957) | Atomic Energy of Canada Ltd. | CAN | |
| 768 (3965) | American Museum of Natural History | USA | |
| 769 (3979) | California State University, Fullerton | USA | |
| 769 (3979) | University of Tennessee, Chattanooga | USA | |
| 771 (3995) | University of Hawaii, Hilo | USA | |
| 772 (4025) | City University of New York, John Jay College of Criminal Justice | USA | |
| 773 (4037) | Bedford Institute of Oceanography | CAN | |
| 774 (4047) | Smithsonian Institution | USA | |
| 775 (4068) | Oklahoma State University, Oklahoma City | USA | |
| 776 (4082) | The New School | USA | |
| 777 (4102) | Missouri State University | USA | |
| 778 (4112) | Clark University | USA | |
| 779 (4127) | Western Washington University | USA | |
| 780 (4155) | California State University, San Bernardino | USA | |
| 781 (4164) | Seattle University | USA | |
| 782 (4177) | NASA Goddard Institute for Space Studies | USA | |
| 783 (4184) | American University | USA | |
| 783 (4184) | National Optical Astronomy Observatory | USA | |
| 785 (4200) | National Radio Astronomy Observatory, Charlottesville | USA | |
| 786 (4214) | Humboldt State University | USA | |
| 786 (4214) | University of West Florida | USA | |
| 788 (4291) | Perimeter Institute for Theoretical Physics | CAN | |
| 789 (4304) | Field Museum Natural History | USA | |
| 790 (4319) | World Bank United States | USA | |
| 791 (4326) | Space Telescope Science Institute | USA | |
| 792 (4328) | Athabasca University | CAN | |
| 792 (4328) | Chapman University | USA | |
| 792 (4328) | Colgate University | USA | |
| 792 (4328) | International Monetary Fund | USA | |
| 792 (4328) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 792 (4328) | Oberlin College | USA | |
| 792 (4328) | Purdue University Calumet | USA | |
| 792 (4328) | Sam Houston State University | USA | |
| 792 (4328) | Spitzer Science Center | USA | |
| 792 (4328) | Tennessee State University | USA | |
| 792 (4328) | United States Fish and Wildlife Service | USA | |
| 792 (4328) | Western Carolina University | USA | |
| 792 (4328) | Wildlife Conservation Society USA | USA | |
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