| 501 (1594) | Ann & Robert H. Lurie Children s Hospital | USA |  |
| 502 (1601) | Rothman Institute | USA |  |
| 503 (1606) | Inova Fairfax Hospital | USA |  |
| 504 (1615) | Barnard College | USA |  |
| 505 (1625) | Creighton University | USA |  |
| 506 (1633) | Virginia-Maryland Regional College of Veterinary Medicine | USA |  |
| 507 (1638) | University of Windsor | CAN |  |
| 508 (1641) | University of South Alabama | USA |  |
| 509 (1644) | American Museum of Natural History | USA |  |
| 510 (1647) | Cisco Systems | USA |  |
| 511 (1651) | University of Wyoming | USA |  |
| 512 (1662) | Denver Health Medical Center | USA |  |
| 513 (1674) | Miriam Hospital | USA |  |
| 514 (1679) | MetroHealth System | USA |  |
| 515 (1689) | University of South Florida-Saint Petersburg | USA |  |
| 516 (1691) | Santa Clara University | USA |  |
| 517 (1692) | Royal Military College of Canada | CAN |  |
| 518 (1694) | California Department of Public Health | USA |  |
| 518 (1694) | Wills Eye Hospital | USA |  |
| 520 (1699) | University of Maryland Medical Center | USA |  |
| 521 (1701) | Environment Canada | CAN |  |
| 522 (1710) | Detroit Medical Center | USA |  |
| 523 (1714) | University of Alaska, Fairbanks | USA |  |
| 524 (1723) | Rehabilitation Institute of Chicago | USA |  |
| 525 (1724) | University of Massachusetts, Boston | USA |  |
| 526 (1725) | Cambridge Health Alliance | USA |  |
| 527 (1729) | Marquette University | USA |  |
| 528 (1736) | Applied Materials, Inc. | USA |  |
| 529 (1741) | Louisiana Tech University | USA |  |
| 530 (1746) | St. Joseph's Hospital and Medical Center | USA |  |
| 531 (1750) | University of New Brunswick | CAN |  |
| 532 (1752) | Children's Hospital of Wisconsin | USA |  |
| 533 (1754) | Oakland University | USA |  |
| 534 (1763) | Naval Medical Center San Diego | USA |  |
| 535 (1770) | University of Southern Mississippi | USA |  |
| 536 (1771) | VA NY Harbor Healthcare System | USA |  |
| 537 (1778) | Kent State University | USA |  |
| 537 (1778) | Williams College | USA |  |
| 539 (1782) | New Mexico State University | USA |  |
| 540 (1806) | Rady Children's Hospital-San Diego | USA |  |
| 541 (1813) | Pomona College | USA |  |
| 542 (1822) | Baylor University | USA |  |
| 542 (1822) | BC Children's Hospital and Sunny Hill Health Centre for Children Vancouver | CAN |  |
| 544 (1835) | National Optical Astronomy Observatory | USA |  |
| 544 (1835) | Spitzer Science Center | USA |  |
| 546 (1838) | Marshfield Clinic | USA |  |
| 547 (1845) | University of North Carolina, Greensboro | USA |  |
| 548 (1852) | East Carolina University | USA |  |
| 549 (1858) | Calgary Health Region | CAN |  |
| 549 (1858) | SLAC National Accelerator Laboratory | USA |  |
| 551 (1876) | Baker Hughes | USA |  |
| 552 (1880) | Children's Hospital of Eastern Ontario | CAN |  |
| 553 (1885) | Monterey Bay Aquarium Research Institute | USA |  |
| 554 (1891) | Texas Tech University Health Sciences Center | USA |  |
| 555 (1898) | Boise State University | USA |  |
| 555 (1898) | Joint Quantum Institute | USA |  |
| 557 (1916) | Northern Arizona University | USA |  |
| 558 (1921) | Ryerson University | CAN |  |
| 559 (1930) | Naval Postgraduate School | USA |  |
| 560 (1935) | Universities Space Research Association | USA |  |
| 561 (1936) | San Francisco State University | USA |  |
| 562 (1952) | Villanova University | USA |  |
| 563 (1959) | Brock University | CAN |  |
| 564 (1960) | University of Ontario Institute of Technology | CAN |  |
| 565 (1967) | ExxonMobil | USA |  |
| 566 (1971) | Amherst College | USA |  |
| 567 (1987) | Morehouse School of Medicine | USA |  |
| 568 (1989) | South Dakota State University | USA |  |
| 569 (1997) | Dow Chemical Company | USA |  |
| 570 (1998) | Ecole de Technologie Superieure | CAN |  |
| 571 (2001) | University of Minnesota, Duluth | USA |  |
| 572 (2003) | State University of New York, College of Environmental Science and Forestry | USA |  |
| 573 (2006) | Partners HealthCare System | USA |  |
| 574 (2014) | University of Nevada-Las Vegas | USA |  |
| 575 (2016) | Bowling Green State University | USA |  |
| 576 (2017) | Hartford Hospital | USA |  |
| 577 (2031) | University of Massachusetts, Dartmouth | USA |  |
| 578 (2040) | Laurentian University | CAN |  |
| 579 (2050) | Bentley University | USA |  |
| 580 (2052) | Kingston General Hospital | CAN |  |
| 581 (2069) | Florida Agricultural & Mechanical University | USA |  |
| 582 (2073) | Chevron Corporation | USA |  |
| 583 (2084) | Duquesne University | USA |  |
| 584 (2103) | University of Texas, El Paso | USA |  |
| 585 (2108) | Boeing Company, USA | USA |  |
| 586 (2109) | Alegent Creighton Health | USA |  |
| 586 (2109) | Lakehead University | CAN |  |
| 588 (2116) | Northrop Grumman Corporation | USA |  |
| 588 (2116) | Queen Elizabeth II Health Sciences Centre | CAN |  |
| 590 (2131) | Loyola University Maryland | USA |  |
| 591 (2136) | Bucknell University | USA |  |
| 591 (2136) | University of Louisiana, Lafayette | USA |  |
| 593 (2142) | Joint Institute for Laboratory Astrophysics | USA |  |
| 594 (2148) | IWK Health Centre | CAN |  |
| 595 (2153) | Health Canada | CAN |  |
| 595 (2153) | US National Science Foundation | USA |  |
| 597 (2164) | Glenn Research Center | USA |  |
| 598 (2168) | New Mexico Institute of Mining and Technology | USA |  |
| 599 (2175) | Los Angeles County-USC Medical Center | USA |  |
| 600 (2180) | Thomas Jefferson National Accelerator Facility | USA |  |
| 600 (2180) | University of South Dakota | USA |  |
| 602 (2184) | University of Alabama, Huntsville | USA |  |
| 603 (2187) | Florida Institute of Technology | USA |  |
| 604 (2203) | Wilfrid Laurier University | CAN |  |
| 605 (2206) | NASA Stennis Space Center | USA |  |
| 606 (2220) | United States Naval Academy | USA |  |
| 607 (2225) | Northern Illinois University | USA |  |
| 608 (2228) | Middlebury College | USA |  |
| 608 (2228) | Raytheon Company | USA |  |
| 610 (2242) | University of Moncton | CAN |  |
| 611 (2244) | University of North Carolina, Wilmington | USA |  |
| 612 (2249) | University of Denver | USA |  |
| 613 (2252) | Desert Research Institute, Reno | USA |  |
| 614 (2256) | University of Prince Edward Island | CAN |  |
| 615 (2257) | Lockheed Martin Corporation | USA |  |
| 616 (2260) | Texas Christian University | USA |  |
| 617 (2263) | Nemours A Children's Health System | USA |  |
| 618 (2275) | City University of New York, Queens College | USA |  |
| 619 (2278) | Milwaukee VA Medical Center | USA |  |
| 620 (2284) | Western Washington University | USA |  |
| 621 (2298) | Wellesley College | USA |  |
| 622 (2302) | University of San Francisco | USA |  |
| 623 (2303) | University of Texas, Pan American | USA |  |
| 624 (2308) | Louisiana State University Agricultural Center | USA |  |
| 625 (2313) | California State University, Los Angeles | USA |  |
| 626 (2316) | Battelle Memorial Institute | USA |  |
| 627 (2318) | Swarthmore College | USA |  |
| 628 (2337) | Baystate Health System | USA |  |
| 629 (2340) | Trent University | CAN |  |
| 630 (2342) | Meharry Medical College | USA |  |
| 631 (2343) | Field Museum Natural History | USA |  |
| 632 (2351) | Indiana University-South Bend | USA |  |
| 633 (2359) | Walter Reed National Military Medical Center | USA |  |
| 634 (2377) | San Jose State University | USA |  |
| 635 (2382) | University of Lethbridge | CAN |  |
| 636 (2388) | The New School | USA |  |
| 637 (2398) | Ford Motor Company | USA |  |
| 638 (2401) | Fermi National Accelerator Laboratory | USA |  |
| 639 (2406) | Southwest Research Institute | USA |  |
| 640 (2411) | The Catholic University of America | USA |  |
| 641 (2427) | Trinity University | USA |  |
| 642 (2449) | East Tennessee State University | USA |  |
| 643 (2460) | Jackson State University | USA |  |
| 644 (2467) | University of Richmond | USA |  |
| 645 (2475) | West Chester University of Pennsylvania | USA |  |
| 646 (2483) | Central Michigan University | USA |  |
| 647 (2485) | University of North Dakota | USA |  |
| 648 (2492) | Claremont Graduate University | USA |  |
| 649 (2495) | Howard University | USA |  |
| 649 (2495) | Northeastern Ohio Universities College of Medicine | USA |  |
| 651 (2505) | Wesleyan University, Middletown | USA |  |
| 652 (2519) | NASA Johnson Space Center | USA |  |
| 653 (2524) | Western Michigan University | USA |  |
| 654 (2536) | International Monetary Fund | USA |  |
| 655 (2541) | Children's Mercy Hospital | USA |  |
| 655 (2541) | Subaru Telescope | USA |  |
| 657 (2545) | Bedford Institute of Oceanography | CAN |  |
| 658 (2587) | University of Nebraska, Omaha | USA |  |
| 659 (2599) | Alberta Children's Hospital | CAN |  |
| 660 (2614) | The College of New Jersey | USA |  |
| 661 (2617) | National Radio Astronomy Observatory, Charlottesville | USA |  |
| 662 (2637) | University of Arkansas, Little Rock | USA |  |
| 663 (2641) | Electric Power Research Institute | USA |  |
| 664 (2642) | College of Charleston | USA |  |
| 665 (2663) | Fordham University | USA |  |
| 666 (2675) | Halliburton Texas, Houston | USA |  |
| 667 (2676) | Tennessee Technological University | USA |  |
| 668 (2684) | California State University, Long Beach | USA |  |
| 669 (2686) | Aerospace Corporation | USA |  |
| 670 (2723) | Wichita State University | USA |  |
| 671 (2725) | University of San Diego | USA |  |
| 672 (2730) | American University | USA |  |
| 673 (2733) | Nova Southeastern University, Estados Unidos | USA |  |
| 674 (2746) | Franklin & Marshall College | USA |  |
| 675 (2753) | University of Tulsa | USA |  |
| 676 (2755) | Illinois State University | USA |  |
| 677 (2763) | Wilford Hall Ambulatory Surgical Center | USA |  |
| 678 (2768) | Idaho National Laboratory | USA |  |
| 678 (2768) | Science Applications International Corporation | USA |  |
| 680 (2772) | Naval Air Systems Command | USA |  |
| 681 (2775) | University of the Pacific | USA |  |
| 682 (2776) | Geisinger Medical System | USA |  |
| 682 (2776) | Loyola Marymount University | USA |  |
| 684 (2801) | University of Northern Iowa | USA |  |
| 685 (2805) | University of Northern British Columbia | CAN |  |
| 686 (2814) | Arkansas State University | USA |  |
| 687 (2818) | James Madison University | USA |  |
| 688 (2824) | University of Northern Colorado | USA |  |
| 689 (2826) | Maimonides Medical Center | USA |  |
| 690 (2839) | Texas Woman's University | USA |  |
| 691 (2846) | Tuskegee University | USA |  |
| 691 (2846) | University of Wisconsin, Eau Claire | USA |  |
| 693 (2848) | City University of New York, John Jay College of Criminal Justice | USA |  |
| 694 (2862) | Lamar University | USA |  |
| 695 (2863) | MITRE Corporation, McLean | USA |  |
| 696 (2865) | St. Francis Xavier University | CAN |  |
| 697 (2877) | California State University, Northridge | USA |  |
| 697 (2877) | Saskatoon Health Region | CAN |  |
| 699 (2880) | Towson University | USA |  |
| 700 (2892) | Midwestern University | USA |  |
| 701 (2897) | Saint John's University | USA |  |
| 702 (2913) | Eastern Michigan University | USA |  |
| 702 (2913) | Mount Allison University | CAN |  |
| 704 (2924) | California State University, San Bernardino | USA |  |
| 705 (2936) | California State University, Sacramento | USA |  |
| 706 (2957) | Seton Hall University | USA |  |
| 707 (2960) | California State Polytechnic University, Pomona | USA |  |
| 708 (2962) | Acadia University | CAN |  |
| 709 (2964) | Indiana State University | USA |  |
| 710 (2972) | Saint Mary's University | CAN |  |
| 711 (2978) | California State University, Fullerton | USA |  |
| 712 (3003) | University of Hawaii, Hilo | USA |  |
| 712 (3003) | Winthrop-University Hospital | USA |  |
| 714 (3008) | Mount Holyoke College | USA |  |
| 715 (3028) | Montclair State University | USA |  |
| 716 (3029) | Marshall University | USA |  |
| 717 (3042) | City University of New York, Lehman College | USA |  |
| 718 (3051) | Saint Cloud State University | USA |  |
| 719 (3067) | Grand Valley State University | USA |  |
| 720 (3073) | Rowan University | USA |  |
| 720 (3073) | University of Tennessee, Chattanooga | USA |  |
| 722 (3079) | California Polytechnic State University, San Luis Obispo | USA |  |
| 722 (3079) | The University of Winnipeg | CAN |  |
| 724 (3087) | Kennesaw State University | USA |  |
| 724 (3087) | TRIUMF - National Laboratory for Particle and Nuclear Physics | CAN |  |
| 726 (3094) | Washington State University, Vancouver | USA |  |
| 727 (3102) | California State University, Fresno | USA |  |
| 728 (3116) | Ball State University | USA |  |
| 729 (3123) | California State University, East Bay | USA |  |
| 730 (3142) | Colgate University | USA |  |
| 731 (3149) | Texas State University, San Marcos | USA |  |
| 732 (3163) | Appalachian State University | USA |  |
| 733 (3166) | University of Alaska, Anchorage | USA |  |
| 734 (3170) | Idaho State University | USA |  |
| 735 (3187) | Adelphi University | USA |  |
| 735 (3187) | Hofstra University | USA |  |
| 737 (3201) | Smith College | USA |  |
| 738 (3211) | Southern Illinois University Edwardsville | USA |  |
| 739 (3223) | University of Wisconsin, Oshkosh | USA |  |
| 740 (3253) | Western Illinois University, Macomb | USA |  |
| 741 (3264) | South Dakota School of Mines and Technology | USA |  |
| 742 (3272) | American Society of Mechanical Engineers | USA |  |
| 743 (3291) | Georgia Southern University | USA |  |
| 744 (3301) | Western Kentucky University | USA |  |
| 745 (3326) | Missouri State University | USA |  |
| 746 (3351) | Lehigh Valley Hospital | USA |  |
| 747 (3371) | Long Island University | USA |  |
| 748 (3377) | Prairie View A&M University | USA |  |
| 749 (3389) | Hampton University | USA |  |
| 750 (3431) | California State University, Chico | USA |  |
| 751 (3432) | NASA Kennedy Space Center | USA |  |
| 752 (3454) | Society of Petroleum Engineers | USA |  |
| 753 (3462) | ConocoPhillips Company | USA |  |
| 754 (3475) | University of North Florida | USA |  |
| 755 (3488) | Middle Tennessee State University | USA |  |
| 756 (3513) | Seattle University | USA |  |
| 757 (3526) | National Radio Astronomy Observatory, Socorro | USA |  |
| 758 (3535) | Sam Houston State University | USA |  |
| 759 (3565) | NASA Marshall Space Flight Center | USA |  |
| 760 (3569) | Lafayette College | USA |  |
| 761 (3604) | University of West Florida | USA |  |
| 762 (3634) | Indiana University/Purdue University at Fort Wayne | USA |  |
| 763 (3637) | Tennessee State University | USA |  |
| 764 (3653) | United States Fish and Wildlife Service | USA |  |
| 765 (3661) | Athabasca University | CAN |  |
| 766 (3671) | Humboldt State University | USA |  |
| 767 (3675) | American Chemical Society | USA |  |
| 768 (3699) | Southeastern Louisiana University | USA |  |
| 769 (3706) | Pace University | USA |  |
| 770 (3741) | Atomic Energy of Canada Ltd. | CAN |  |
| 771 (3762) | Indiana University of Pennsylvania | USA |  |
| 772 (3765) | Western Carolina University | USA |  |
| 773 (3843) | Savannah River National Laboratory | USA |  |
| 774 (3853) | Youngstown State University | USA |  |
| 775 (3862) | Missouri Botanical Garden | USA |  |
| 776 (3866) | United States Military Academy at West Point | USA |  |
| 777 (3961) | Purdue University Calumet | USA |  |
| 778 (4010) | Embry-Riddle Aeronautical University | USA |  |
| 779 (4142) | URS Corporation | USA |  |
| 780 (4226) | Nuclear Regulatory Commission | USA |  |
| 781 (4240) | Research Institute for Fragrance Materials | USA |  |
|