| 501 (1908) | University of Massachusetts, Lowell | USA |  |
| 502 (1914) | Miriam Hospital | USA |  |
| 503 (1920) | Natural Resources Canada | CAN |  |
| 504 (1925) | SUNY Downstate Medical Center | USA | |
| 505 (1928) | University of Montana, Missoula | USA | |
| 506 (1930) | Cincinnati VA Medical Center | USA | |
| 507 (1935) | Cambridge Health Alliance | USA | |
| 507 (1935) | Kent State University | USA | |
| 507 (1935) | North Dakota State University | USA | |
| 510 (1952) | Children's Hospital Los Angeles | USA | |
| 510 (1952) | University of Maine, Orono | USA | |
| 512 (1954) | University of Maryland, Center for Environmental Science | USA | |
| 513 (1955) | University of New Orleans | USA | |
| 514 (1960) | Brock University | CAN | |
| 514 (1960) | Public Health Agency of Canada | CAN | |
| 514 (1960) | Rotman Research Institute | CAN | |
| 517 (1966) | Joint Quantum Institute | USA | |
| 518 (1971) | Health Canada | CAN | |
| 518 (1971) | Montreal School of Higher Commercial Studies | CAN | |
| 520 (1977) | Lakehead University | CAN | |
| 521 (1980) | Communications Research Centre Canada | CAN | |
| 522 (1985) | Miami VA Healthcare System | USA | |
| 523 (1987) | University of Maryland Medical Center | USA | |
| 524 (1989) | London Health Sciences Centre | CAN | |
| 525 (1993) | Saint Luke's Episcopal Health System | USA | |
| 526 (1995) | Ames Laboratory | USA | |
| 527 (2000) | Procter and Gamble Company | USA |  |
| 528 (2003) | Central Arkansas Veterans Healthcare System | USA | |
| 528 (2003) | Creighton University | USA | |
| 528 (2003) | University of North Carolina, Greensboro | USA | |
| 531 (2007) | St. Joseph's Healthcare Hamilton | CAN | |
| 532 (2017) | Intermountain Healthcare | USA | |
| 533 (2019) | University of Ontario Institute of Technology | CAN | |
| 534 (2026) | SETI Institute | USA |  |
| 535 (2029) | Environment Canada | CAN | |
| 535 (2029) | Florida Atlantic University | USA | |
| 537 (2042) | Louisiana State University Agricultural Center | USA | |
| 538 (2049) | Detroit Medical Center | USA | |
| 539 (2050) | NASA Goddard Institute for Space Studies | USA | |
| 540 (2058) | Lockheed Martin Corporation | USA | |
| 541 (2064) | James J. Peters VA Medical Center | USA | |
| 542 (2077) | Nemours A Children's Health System | USA | |
| 543 (2078) | University of Alaska, Fairbanks | USA | |
| 544 (2081) | Denver Health Medical Center | USA | |
| 545 (2094) | Santa Clara University | USA | |
| 546 (2113) | Fermi National Accelerator Laboratory | USA | |
| 547 (2114) | University of Nebraska, Omaha | USA | |
| 548 (2118) | St. Luke's-Roosevelt Hospital Center | USA | |
| 549 (2126) | University of Minnesota, Duluth | USA | |
| 550 (2139) | Boise State University | USA | |
| 550 (2139) | Summa Health System | USA | |
| 552 (2147) | Raytheon Company | USA | |
| 553 (2149) | Space Telescope Science Institute | USA | |
| 553 (2149) | University of Dayton | USA | |
| 555 (2161) | Northern Illinois University | USA | |
| 556 (2168) | New Jersey Institute of Technology | USA | |
| 557 (2173) | Geisinger Medical System | USA | |
| 558 (2187) | North Florida-South Georgia Veterans Health System | USA | |
| 559 (2190) | Southern Methodist University | USA | |
| 560 (2195) | University of Massachusetts, Boston | USA | |
| 561 (2199) | American Museum of Natural History | USA | |
| 562 (2205) | Idaho National Laboratory | USA | |
| 563 (2223) | Yale New Haven Health System | USA | |
| 564 (2231) | VA NY Harbor Healthcare System | USA | |
| 565 (2236) | Children's Healthcare of Atlanta | USA | |
| 566 (2253) | NASA Langley Research Center | USA | |
| 567 (2258) | University of North Texas Health Science Center | USA | |
| 568 (2272) | University of Windsor | CAN | |
| 569 (2281) | San Francisco State University | USA | |
| 569 (2281) | University of Arkansas, Little Rock | USA | |
| 571 (2296) | Wesleyan University, Middletown | USA | |
| 572 (2297) | New Mexico State University | USA | |
| 573 (2311) | University of South Florida-Saint Petersburg | USA | |
| 574 (2312) | Battelle Memorial Institute | USA | |
| 575 (2317) | Western University of Health Sciences | USA | |
| 576 (2320) | Children's Hospital Colorado | USA | |
| 577 (2327) | Northern Arizona University | USA | |
| 578 (2331) | Miami University of Ohio | USA | |
| 579 (2333) | Clark University | USA | |
| 580 (2340) | University of New Brunswick | CAN | |
| 581 (2351) | Miami Children's Hospital | USA | |
| 582 (2353) | Express Scripts Holding Company | USA | |
| 583 (2356) | Baystate Health System | USA | |
| 584 (2360) | University of Alberta Hospital | CAN | |
| 585 (2363) | Dow Chemical Company | USA | |
| 585 (2363) | San Jose State University | USA | |
| 587 (2380) | BJC HealthCare | USA | |
| 588 (2386) | Bowling Green State University | USA | |
| 589 (2406) | Lawson Health Research Institute | CAN | |
| 590 (2409) | Douglas Mental Health University Institute | CAN | |
| 591 (2418) | Marquette University | USA | |
| 592 (2421) | Florida Institute of Technology | USA | |
| 593 (2423) | University of South Alabama | USA | |
| 594 (2426) | University of Denver | USA | |
| 595 (2432) | Rothman Institute | USA | |
| 596 (2454) | College of the Holy Cross | USA | |
| 597 (2460) | Middlebury College | USA | |
| 598 (2463) | University of Texas, El Paso | USA | |
| 599 (2466) | Laurentian University | CAN | |
| 600 (2474) | Foothills Medical Centre | CAN | |
| 601 (2484) | University of North Dakota | USA | |
| 602 (2494) | DePaul University | USA | |
| 603 (2514) | Chevron Corporation | USA | |
| 604 (2524) | St. Francis Xavier University | CAN | |
| 605 (2542) | Monterey Bay Aquarium Research Institute | USA | |
| 605 (2542) | University of Missouri, Saint Louis | USA | |
| 607 (2547) | Tom Baker Cancer Centre | CAN | |
| 608 (2550) | Eastern Michigan University | USA | |
| 608 (2550) | Florida Agricultural & Mechanical University | USA | |
| 608 (2550) | Northrop Grumman Corporation | USA | |
| 611 (2556) | State University of New York, College of Environmental Science and Forestry | USA | |
| 612 (2570) | Indiana University-South Bend | USA | |
| 612 (2570) | Institut Universitaire de Geriatrie de Montreal | CAN | |
| 614 (2576) | Marshfield Clinic | USA | |
| 614 (2576) | University of Regina | CAN | |
| 616 (2599) | University of Illinois Hospital & Health Sciences System | USA | |
| 617 (2603) | Joint Institute for Laboratory Astrophysics | USA | |
| 617 (2603) | Queen Elizabeth II Health Sciences Centre | CAN | |
| 617 (2603) | United Technologies Research Center | USA | |
| 620 (2621) | Rochester Institute of Technology | USA | |
| 621 (2648) | University of Lethbridge | CAN | |
| 622 (2653) | East Tennessee State University | USA | |
| 622 (2653) | Planetary Science Institute | USA | |
| 624 (2659) | South Dakota School of Mines and Technology | USA | |
| 625 (2664) | Boeing Company, USA | USA | |
| 625 (2664) | Swarthmore College | USA | |
| 627 (2667) | IWK Health Centre | CAN | |
| 627 (2667) | Oak Ridge Institute for Science and Education | USA | |
| 629 (2675) | University of St. Thomas | USA | |
| 630 (2695) | Arkansas State University | USA | |
| 631 (2704) | Claremont Graduate University | USA | |
| 632 (2717) | South Dakota State University | USA | |
| 633 (2730) | Space Science Institute | USA | |
| 634 (2738) | Children's Mercy Hospital | USA | |
| 635 (2745) | Meharry Medical College | USA | |
| 636 (2752) | Wildlife Conservation Society USA | USA | |
| 637 (2755) | Howard University | USA | |
| 638 (2759) | Villanova University | USA | |
| 639 (2765) | International Monetary Fund | USA | |
| 640 (2771) | ExxonMobil | USA | |
| 641 (2775) | Science System and Applications, Inc | USA | |
| 642 (2793) | Primary Children's Medical Center | USA | |
| 643 (2807) | National Radio Astronomy Observatory, Charlottesville | USA | |
| 644 (2816) | Rehabilitation Institute of Chicago | USA | |
| 645 (2834) | Arkansas Children's Hospital | USA | |
| 646 (2845) | Baker Hughes | USA | |
| 647 (2848) | Federal Reserve System | USA | |
| 648 (2857) | American University | USA | |
| 649 (2871) | Illinois State University | USA | |
| 650 (2875) | Infrared Processing and Analysis Center | USA | |
| 651 (2884) | Cleveland State University | USA | |
| 652 (2888) | Loyola Marymount University | USA | |
| 653 (2893) | University of San Francisco | USA | |
| 654 (2919) | Mount Holyoke College | USA | |
| 655 (2925) | Alberta Children's Hospital | CAN | |
| 655 (2925) | City University of New York, Queens College | USA | |
| 657 (2927) | Fordham University | USA | |
| 658 (2936) | TRIUMF - National Laboratory for Particle and Nuclear Physics | CAN | |
| 659 (2941) | Barnard College | USA | |
| 660 (2951) | Hofstra University | USA | |
| 661 (2955) | University of Tulsa | USA | |
| 662 (2966) | National Optical Astronomy Observatory | USA | |
| 662 (2966) | University of Tennessee, Chattanooga | USA | |
| 664 (2973) | Children's Medical Center Dallas | USA | |
| 664 (2973) | Wilfrid Laurier University | CAN | |
| 666 (2984) | Universities Space Research Association | USA | |
| 667 (2987) | Oberlin College | USA | |
| 668 (3012) | BC Children's Hospital and Sunny Hill Health Centre for Children Vancouver | CAN | |
| 669 (3017) | Athabasca University | CAN | |
| 670 (3033) | VA Long Beach Healthcare System | USA | |
| 671 (3035) | Thomas Jefferson National Accelerator Facility | USA | |
| 672 (3039) | Desert Research Institute, Reno | USA | |
| 673 (3052) | Milwaukee VA Medical Center | USA | |
| 674 (3064) | Royal Military College of Canada | CAN | |
| 675 (3075) | University of Alabama, Huntsville | USA | |
| 676 (3079) | Southwest Research Institute | USA | |
| 677 (3083) | Saskatoon Health Region | CAN | |
| 678 (3091) | Nova Southeastern University, Estados Unidos | USA | |
| 679 (3107) | University of Wisconsin, Eau Claire | USA | |
| 680 (3114) | Alberta Health Services | CAN | |
| 681 (3122) | University of Colorado, Colorado Springs | USA | |
| 682 (3124) | A.T. Still University | USA | |
| 683 (3128) | Morehouse School of Medicine | USA | |
| 683 (3128) | Western Michigan University | USA | |
| 685 (3146) | Hartford Hospital | USA | |
| 686 (3154) | California Polytechnic State University, San Luis Obispo | USA | |
| 686 (3154) | Central Michigan University | USA | |
| 686 (3154) | Lamar University | USA | |
| 689 (3160) | Delaware State University | USA | |
| 690 (3170) | Field Museum Natural History | USA | |
| 691 (3175) | Gonzaga University | USA | |
| 692 (3183) | University of Louisiana, Lafayette | USA | |
| 693 (3185) | Texas Christian University | USA | |
| 693 (3185) | University of Prince Edward Island | CAN | |
| 695 (3189) | Williams College | USA | |
| 696 (3198) | Montclair State University | USA | |
| 697 (3209) | Midwestern University | USA | |
| 698 (3223) | Wellesley College | USA | |
| 699 (3229) | Phoenix Children's Hospital | USA | |
| 700 (3234) | Kennesaw State University | USA | |
| 701 (3242) | General Atomics | USA | |
| 702 (3250) | Bedford Institute of Oceanography | CAN | |
| 702 (3250) | Naval Postgraduate School | USA | |
| 704 (3252) | Duquesne University | USA | |
| 704 (3252) | Trent University | CAN | |
| 706 (3257) | Texas State University, San Marcos | USA | |
| 706 (3257) | Washington State University, Spokane Campus | USA | |
| 708 (3265) | Youngstown State University | USA | |
| 709 (3267) | Marshall University | USA | |
| 710 (3270) | City University of New York, Lehman College | USA | |
| 711 (3276) | St. Joseph's Health Care London | CAN | |
| 712 (3281) | Missouri State University | USA | |
| 713 (3284) | California State University, Los Angeles | USA | |
| 714 (3290) | University of Massachusetts, Dartmouth | USA | |
| 714 (3290) | University of Northern British Columbia | CAN | |
| 716 (3292) | Pace University | USA | |
| 717 (3304) | California State University, Fullerton | USA | |
| 718 (3307) | Southern Illinois University Edwardsville | USA | |
| 719 (3316) | Adelphi University | USA | |
| 720 (3321) | Xavier University | USA | |
| 721 (3324) | Northern Kentucky University | USA | |
| 722 (3335) | James Madison University | USA | |
| 723 (3341) | ConocoPhillips Company | USA | |
| 723 (3341) | The Catholic University of America | USA | |
| 725 (3351) | Princeton Plasma Physics Laboratory | USA | |
| 726 (3358) | California State Polytechnic University, Pomona | USA | |
| 727 (3360) | College of Charleston | USA | |
| 728 (3367) | NASA Johnson Space Center | USA | |
| 728 (3367) | Trinity University | USA | |
| 730 (3382) | Western Washington University | USA | |
| 731 (3396) | University of Alaska, Anchorage | USA | |
| 732 (3412) | Long Island University | USA | |
| 733 (3417) | University of North Carolina, Wilmington | USA | |
| 734 (3419) | Towson University | USA | |
| 735 (3437) | Western Kentucky University | USA | |
| 736 (3475) | Jackson State University | USA | |
| 737 (3480) | California State University, San Marcos | USA | |
| 738 (3485) | California State University, Long Beach | USA | |
| 738 (3485) | Franklin & Marshall College | USA | |
| 738 (3485) | MetroHealth System | USA | |
| 741 (3494) | Prairie View A&M University | USA | |
| 742 (3501) | Chapman University | USA | |
| 743 (3503) | Louisiana Tech University | USA | |
| 743 (3503) | The New School | USA | |
| 745 (3506) | University of the Pacific | USA | |
| 746 (3514) | Colgate University | USA | |
| 746 (3514) | United States Naval Academy | USA | |
| 748 (3539) | Loyola University Maryland | USA | |
| 749 (3546) | California State University, Northridge | USA | |
| 749 (3546) | University of Wisconsin, Oshkosh | USA | |
| 751 (3552) | Halliburton Texas, Houston | USA | |
| 752 (3556) | Smith College | USA | |
| 752 (3556) | Walter Reed National Military Medical Center | USA | |
| 754 (3561) | Connecticut Children's Medical Center | USA | |
| 755 (3565) | Utah Valley University | USA | |
| 756 (3575) | University of San Diego | USA | |
| 757 (3614) | Electric Power Research Institute | USA | |
| 757 (3614) | Idaho State University | USA | |
| 759 (3634) | University of Hawaii, Hilo | USA | |
| 760 (3639) | Bentley University | USA | |
| 761 (3646) | Morgan State University | USA | |
| 762 (3650) | MITRE Corporation, McLean | USA | |
| 763 (3663) | United States Military Academy at West Point | USA | |
| 764 (3666) | City University of New York, John Jay College of Criminal Justice | USA | |
| 765 (3670) | Drake University | USA | |
| 766 (3679) | Glenn Research Center | USA | |
| 767 (3681) | US National Science Foundation | USA | |
| 768 (3683) | Nipissing University | CAN | |
| 769 (3697) | Saint Mary's University | CAN | |
| 769 (3697) | Sonoma State University | USA | |
| 771 (3708) | University of North Florida | USA | |
| 772 (3720) | NASA Marshall Space Flight Center | USA | |
| 773 (3735) | Acadia University | CAN | |
| 773 (3735) | Florida Gulf Coast University | USA | |
| 775 (3743) | Norfolk State University | USA | |
| 776 (3745) | Wichita State University | USA | |
| 777 (3754) | Aerospace Corporation | USA | |
| 777 (3754) | California State University, San Bernardino | USA | |
| 779 (3761) | Harvey Mudd College | USA | |
| 780 (3768) | Haverford College in Pennsylvania | USA | |
| 781 (3772) | Humboldt State University | USA | |
| 782 (3776) | University of Richmond | USA | |
| 783 (3786) | University of Moncton | CAN | |
| 784 (3791) | University of Texas, Pan American | USA | |
| 785 (3799) | Appalachian State University | USA | |
| 786 (3801) | Western Carolina University | USA | |
| 787 (3806) | Bowdoin College | USA | |
| 788 (3809) | Indiana State University | USA | |
| 789 (3833) | Western Illinois University, Macomb | USA | |
| 790 (3856) | Winthrop-University Hospital | USA | |
| 791 (3866) | Bryn Mawr College | USA | |
| 791 (3866) | The University of Winnipeg | CAN | |
| 793 (3881) | NASA Stennis Space Center | USA | |
| 794 (3885) | Washington State University, Vancouver | USA | |
| 795 (3889) | Suffolk University | USA | |
| 796 (3894) | Southern University, Baton Rouge | USA | |
| 797 (3903) | Claremont McKenna College | USA | |
| 798 (3919) | California State University, Sacramento | USA | |
| 799 (3930) | Lafayette College | USA | |
| 800 (3935) | Macalester College | USA | |
| 801 (3960) | West Chester University of Pennsylvania | USA | |
| 802 (3962) | University of Central Arkansas | USA | |
| 803 (3970) | Amherst College | USA | |
| 804 (3982) | University of the Sciences in Philadelphia | USA | |
| 805 (4001) | Sam Houston State University | USA | |
| 806 (4004) | California State University, Chico | USA | |
| 807 (4005) | Maimonides Medical Center | USA | |
| 808 (4008) | Ball State University | USA | |
| 808 (4008) | Pomona College | USA | |
| 810 (4014) | Bucknell University | USA | |
| 811 (4036) | Seattle University | USA | |
| 812 (4038) | Mount Royal CollegeCA | CAN | |
| 813 (4039) | Georgia Southern University | USA | |
| 814 (4045) | Rowan University | USA | |
| 815 (4056) | Mount Allison University | CAN | |
| 816 (4061) | California State University, Fresno | USA | |
| 817 (4066) | The College of New Jersey | USA | |
| 818 (4077) | Stollery Children's Hospital Foundation | CAN | |
| 819 (4105) | Science Applications International Corporation | USA | |
| 820 (4143) | California Academy of Sciences | USA | |
| 821 (4147) | Middle Tennessee State University | USA | |
| 822 (4162) | Vassar College | USA | |
| 823 (4210) | Bard College | USA | |
| 824 (4232) | California State University, East Bay | USA | |
| 824 (4232) | Tennessee Technological University | USA | |
| 826 (4237) | Grand Valley State University | USA | |
| 827 (4243) | Saint John's University | USA | |
| 828 (4249) | Fairfield University | USA | |
| 829 (4265) | Manhattan College | USA | |
| 830 (4267) | Central Connecticut State University | USA | |
| 831 (4296) | Eastern Kentucky University | USA | |
| 831 (4296) | University of West Florida | USA | |
| 833 (4312) | Fairleigh Dickinson University | USA | |
| 833 (4312) | State University of West Georgia | USA | |
| 835 (4362) | United States Fish and Wildlife Service | USA | |
| 836 (4366) | Oklahoma State University, Oklahoma City | USA | |
| 837 (4371) | University of Northern Colorado | USA | |
| 838 (4397) | University of Houston, Clear Lake | USA | |
| 839 (4401) | Seton Hall University | USA | |
| 840 (4407) | University of Wisconsin, Whitewater | USA | |
| 841 (4413) | Alliant International University | USA | |
| 842 (4443) | Embry-Riddle Aeronautical University | USA | |
| 843 (4452) | Indiana University/Purdue University at Fort Wayne | USA | |
| 844 (4470) | Indiana University of Pennsylvania | USA | |
| 845 (4474) | New York Institute of Technology | USA | |
| 846 (4480) | Savannah River National Laboratory | USA | |
| 847 (4509) | Eastern Illinois University | USA | |
| 848 (4520) | Coastal Carolina University | USA | |
| 849 (4533) | Texas Woman's University | USA | |
| 850 (4545) | Quinnipiac University | USA | |
| 851 (4587) | Tuskegee University | USA | |
| 852 (4597) | Texas A&M University, Corpus Christi | USA | |
| 853 (4604) | Elon University | USA | |
| 854 (4611) | Hampton University | USA | |
| 855 (4614) | University of Northern Iowa | USA | |
| 856 (4622) | Thompson Rivers University | CAN | |
| 857 (4652) | Rose-Hulman Institute of Technology | USA | |
| 858 (4678) | Widener University | USA | |
| 859 (4697) | Valdosta State University | USA | |
| 860 (4723) | Missouri Botanical Garden | USA | |
| 861 (4778) | University of Texas, Brownsville | USA | |
| 862 (4807) | Tennessee State University | USA | |
| 863 (4826) | Richard Stockton College of New Jersey | USA | |
| 864 (4868) | Purdue University Calumet | USA | |
| 865 (4916) | Southern Polytechnic State University | USA | |
| 866 (4943) | Atomic Energy of Canada Ltd. | CAN | |
| 867 (4960) | URS Corporation | USA | |
| 868 (5007) | Eastern Washington University | USA | |
| 869 (5123) | AECOM | USA | |
| 870 (5125) | Nuclear Regulatory Commission | USA | |
|
