| 500 (2467) | State University of New York, College of Environmental Science and Forestry | USA |  |
| 502 (2473) | St. Luke's-Roosevelt Hospital Center | USA |  |
| 503 (2497) | University of Wisconsin, Oshkosh | USA |  |
| 504 (2498) | Rochester Institute of Technology | USA |  |
| 505 (2514) | Fordham University | USA |  |
| 506 (2524) | United Technologies Research Center | USA |  |
| 506 (2524) | Western Michigan University | USA |  |
| 508 (2528) | Denver Health Medical Center | USA |  |
| 509 (2530) | Missouri State University | USA |  |
| 510 (2557) | Planetary Science Institute | USA |  |
| 511 (2558) | Northern Arizona University | USA |  |
| 512 (2570) | Florida Gulf Coast University | USA |  |
| 513 (2574) | University of Denver | USA |  |
| 514 (2585) | James J. Peters VA Medical Center | USA |  |
| 515 (2591) | Drake University | USA |  |
| 516 (2594) | University of North Dakota | USA |  |
| 516 (2594) | University of San Diego | USA |  |
| 518 (2599) | NASA Langley Research Center | USA |  |
| 519 (2601) | Baystate Health System | USA |  |
| 520 (2611) | Southern Illinois University Edwardsville | USA |  |
| 521 (2616) | University of Maryland Medical Center | USA |  |
| 522 (2631) | University of Louisiana, Lafayette | USA |  |
| 523 (2652) | Hunter Holmes McGuire VA Medical Center | USA |  |
| 524 (2667) | Wildlife Conservation Society USA | USA |  |
| 525 (2670) | Yale New Haven Health System | USA |  |
| 526 (2674) | Milwaukee VA Medical Center | USA |  |
| 527 (2687) | University of Colorado, Colorado Springs | USA |  |
| 528 (2698) | Children's Hospital Colorado | USA |  |
| 528 (2698) | ExxonMobil | USA |  |
| 530 (2704) | Ann & Robert H. Lurie Children s Hospital | USA |  |
| 531 (2708) | Lockheed Martin Corporation | USA |  |
| 532 (2719) | University of Nebraska, Omaha | USA |  |
| 533 (2735) | City University of New York, Lehman College | USA |  |
| 534 (2739) | Hofstra University | USA |  |
| 535 (2740) | University of Tennessee, Chattanooga | USA |  |
| 536 (2743) | Joint Institute for Laboratory Astrophysics | USA |  |
| 537 (2749) | Monterey Bay Aquarium Research Institute | USA |  |
| 538 (2761) | Delaware State University | USA |  |
| 539 (2763) | American University | USA |  |
| 540 (2777) | Rothman Institute | USA |  |
| 541 (2797) | Baker Hughes | USA |  |
| 541 (2797) | Rosalind Franklin University of Medicine and Science | USA |  |
| 543 (2810) | Children's Hospital of Wisconsin | USA |  |
| 544 (2815) | University of Missouri, Saint Louis | USA |  |
| 545 (2821) | Adelphi University | USA |  |
| 546 (2829) | Cleveland State University | USA |  |
| 547 (2831) | Morehouse School of Medicine | USA |  |
| 547 (2831) | Western Washington University | USA |  |
| 549 (2837) | Marshfield Clinic | USA |  |
| 549 (2837) | Space Science Institute | USA |  |
| 551 (2843) | Federal Reserve System | USA |  |
| 551 (2843) | University of Texas, El Paso | USA |  |
| 553 (2848) | Central Arkansas Veterans Healthcare System | USA |  |
| 554 (2853) | University of Central Arkansas | USA |  |
| 555 (2857) | Western Carolina University | USA |  |
| 556 (2859) | University of the Pacific | USA |  |
| 557 (2862) | Eastern Michigan University | USA |  |
| 558 (2867) | National Radio Astronomy Observatory, Charlottesville | USA |  |
| 559 (2876) | Youngstown State University | USA |  |
| 560 (2881) | BJC HealthCare | USA |  |
| 561 (2889) | University of Tulsa | USA |  |
| 562 (2919) | California State University, Fullerton | USA |  |
| 562 (2919) | San Francisco State University | USA |  |
| 564 (2922) | Infrared Processing and Analysis Center | USA |  |
| 565 (2947) | Prairie View A&M University | USA |  |
| 566 (2957) | International Monetary Fund | USA |  |
| 567 (2964) | East Tennessee State University | USA |  |
| 568 (2994) | Universities Space Research Association | USA |  |
| 569 (2998) | Southwest Research Institute | USA |  |
| 570 (3002) | Duquesne University | USA |  |
| 571 (3024) | San Jose State University | USA |  |
| 572 (3030) | DePaul University | USA |  |
| 572 (3030) | Rehabilitation Institute of Chicago | USA |  |
| 574 (3040) | Barnard College | USA |  |
| 575 (3046) | Midwestern University | USA |  |
| 576 (3066) | University of Alaska, Anchorage | USA |  |
| 577 (3068) | College of Charleston | USA |  |
| 578 (3084) | Dow Chemical Company | USA |  |
| 579 (3102) | City University of New York, Queens College | USA |  |
| 580 (3110) | Central Michigan University | USA |  |
| 581 (3125) | Field Museum Natural History | USA |  |
| 582 (3135) | The Catholic University of America | USA |  |
| 583 (3157) | Lamar University | USA |  |
| 584 (3169) | General Atomics | USA |  |
| 585 (3189) | Chapman University | USA |  |
| 585 (3189) | Louisiana Tech University | USA |  |
| 587 (3202) | National Radio Astronomy Observatory, Socorro | USA |  |
| 587 (3202) | Swarthmore College | USA |  |
| 589 (3205) | Texas Christian University | USA |  |
| 590 (3209) | California State University, Los Angeles | USA |  |
| 591 (3220) | Northrop Grumman Corporation | USA |  |
| 592 (3246) | Illinois State University | USA |  |
| 593 (3254) | Hartford Hospital | USA |  |
| 594 (3258) | Wellesley College | USA |  |
| 595 (3264) | Boeing Company, USA | USA |  |
| 596 (3269) | Desert Research Institute, Reno | USA |  |
| 597 (3278) | Science System and Applications, Inc | USA |  |
| 598 (3287) | Children's Mercy Hospital | USA |  |
| 599 (3301) | California Polytechnic State University, San Luis Obispo | USA |  |
| 599 (3301) | Kennesaw State University | USA |  |
| 601 (3315) | Marshall University | USA |  |
| 602 (3323) | Claremont Graduate University | USA |  |
| 603 (3334) | Skidmore College | USA |  |
| 604 (3353) | University of Massachusetts, Dartmouth | USA |  |
| 605 (3358) | National Optical Astronomy Observatory | USA |  |
| 606 (3362) | Battelle Memorial Institute | USA |  |
| 607 (3369) | Glenn Research Center | USA |  |
| 608 (3376) | Franklin & Marshall College | USA |  |
| 609 (3395) | Loyola Marymount University | USA |  |
| 610 (3401) | Princeton Plasma Physics Laboratory | USA |  |
| 611 (3402) | Jackson State University | USA |  |
| 612 (3405) | University of Alabama, Huntsville | USA |  |
| 613 (3408) | The New School | USA |  |
| 614 (3410) | Grand Valley State University | USA |  |
| 615 (3413) | Oklahoma City VA Medical Center | USA |  |
| 616 (3416) | Walter Reed National Military Medical Center | USA |  |
| 617 (3426) | Texas State University, San Marcos | USA |  |
| 618 (3449) | University of North Carolina, Wilmington | USA |  |
| 619 (3457) | MetroHealth System | USA |  |
| 620 (3461) | North Florida-South Georgia Veterans Health System | USA |  |
| 621 (3479) | Middlebury College | USA |  |
| 622 (3526) | Naval Postgraduate School | USA |  |
| 623 (3537) | Electric Power Research Institute | USA |  |
| 624 (3549) | NASA Marshall Space Flight Center | USA |  |
| 625 (3560) | City University of New York, John Jay College of Criminal Justice | USA |  |
| 626 (3563) | California State University, Long Beach | USA |  |
| 627 (3622) | Savannah River National Laboratory | USA |  |
| 628 (3637) | Arkansas Children's Hospital | USA |  |
| 629 (3648) | Connecticut Children's Medical Center | USA |  |
| 630 (3657) | University of Richmond | USA |  |
| 631 (3666) | Sonoma State University | USA |  |
| 632 (3671) | California State University, Northridge | USA |  |
| 632 (3671) | Claremont McKenna College | USA |  |
| 634 (3681) | James Madison University | USA |  |
| 635 (3688) | Haverford College in Pennsylvania | USA |  |
| 636 (3693) | Los Angeles County-USC Medical Center | USA |  |
| 637 (3699) | Nova Southeastern University, Estados Unidos | USA |  |
| 638 (3711) | Idaho State University | USA |  |
| 639 (3729) | Suffolk University | USA |  |
| 639 (3729) | Williams College | USA |  |
| 641 (3736) | VA Long Beach Healthcare System | USA |  |
| 642 (3740) | Colgate University | USA |  |
| 643 (3753) | Towson University | USA |  |
| 644 (3763) | Washington State University, Spokane Campus | USA |  |
| 645 (3772) | United States Naval Academy | USA |  |
| 645 (3772) | University of Wisconsin, Eau Claire | USA |  |
| 647 (3788) | NASA Johnson Space Center | USA |  |
| 648 (3800) | California State University, Sacramento | USA |  |
| 649 (3813) | Ithaca College | USA |  |
| 650 (3816) | Bowdoin College | USA |  |
| 650 (3816) | Sam Houston State University | USA |  |
| 652 (3820) | Bryn Mawr College | USA |  |
| 653 (3827) | Reed College | USA |  |
| 654 (3836) | US National Science Foundation | USA |  |
| 655 (3840) | Indiana University-South Bend | USA |  |
| 655 (3840) | Simmons College | USA |  |
| 657 (3856) | Ball State University | USA |  |
| 658 (3865) | Loyola University Maryland | USA |  |
| 659 (3873) | Florida Agricultural & Mechanical University | USA |  |
| 660 (3877) | Bentley University | USA |  |
| 660 (3877) | University of North Florida | USA |  |
| 662 (3882) | Wichita State University | USA |  |
| 663 (3891) | Georgia Southern University | USA |  |
| 664 (3907) | University of St. Thomas | USA |  |
| 665 (3912) | University of Hawaii, Hilo | USA |  |
| 666 (3922) | Amherst College | USA |  |
| 667 (3925) | Pace University | USA |  |
| 668 (3927) | California State University, San Bernardino | USA |  |
| 669 (3941) | Smith College | USA |  |
| 670 (3944) | Meharry Medical College | USA |  |
| 671 (3950) | University of the Sciences in Philadelphia | USA |  |
| 672 (3955) | Appalachian State University | USA |  |
| 673 (3965) | Bucknell University | USA |  |
| 674 (3972) | Pomona College | USA |  |
| 675 (3979) | Trinity University | USA |  |
| 676 (4004) | University of Texas, Pan American | USA |  |
| 677 (4030) | South Dakota School of Mines and Technology | USA |  |
| 678 (4037) | Phoenix Children's Hospital | USA |  |
| 679 (4043) | Seattle University | USA |  |
| 680 (4073) | Washington State University, Vancouver | USA |  |
| 681 (4076) | California Academy of Sciences | USA |  |
| 681 (4076) | Long Island University | USA |  |
| 683 (4092) | Western Kentucky University | USA |  |
| 684 (4108) | Middle Tennessee State University | USA |  |
| 685 (4113) | Saint John's University | USA |  |
| 685 (4113) | The College of New Jersey | USA |  |
| 687 (4130) | Gonzaga University | USA |  |
| 688 (4131) | Indiana University of Pennsylvania | USA |  |
| 688 (4131) | University of Northern Colorado | USA |  |
| 690 (4142) | Chevron Corporation | USA |  |
| 691 (4147) | Carleton College | USA |  |
| 692 (4153) | Arkansas State University | USA |  |
| 693 (4154) | Indiana State University | USA |  |
| 694 (4157) | Eastern Kentucky University | USA |  |
| 695 (4172) | California State University, Fresno | USA |  |
| 695 (4172) | Humboldt State University | USA |  |
| 697 (4187) | Bard College | USA |  |
| 697 (4187) | Winthrop-University Hospital | USA |  |
| 699 (4192) | United States Fish and Wildlife Service | USA |  |
| 700 (4197) | Fairfield University | USA |  |
| 701 (4207) | Vassar College | USA |  |
| 702 (4215) | University of West Florida | USA |  |
| 703 (4237) | State University of West Georgia | USA |  |
| 704 (4256) | New York Botanical Garden | USA |  |
| 705 (4259) | Alliant International University | USA |  |
| 706 (4271) | Rowan University | USA |  |
| 707 (4291) | Central Connecticut State University | USA |  |
| 707 (4291) | University of Wisconsin, Whitewater | USA |  |
| 709 (4308) | Morgan State University | USA |  |
| 710 (4313) | Elon University | USA |  |
| 711 (4338) | Tennessee Technological University | USA |  |
| 712 (4340) | Western Illinois University, Macomb | USA |  |
| 713 (4350) | Maimonides Medical Center | USA |  |
| 714 (4361) | Indiana University/Purdue University at Fort Wayne | USA |  |
| 715 (4366) | Lafayette College | USA |  |
| 716 (4374) | Seton Hall University | USA |  |
| 717 (4384) | California State University, East Bay | USA |  |
| 718 (4411) | New York Institute of Technology | USA |  |
| 718 (4411) | University of Houston, Clear Lake | USA |  |
| 720 (4420) | Texas A&M University, Corpus Christi | USA |  |
| 721 (4428) | Missouri Botanical Garden | USA |  |
| 721 (4428) | Texas Woman's University | USA |  |
| 723 (4439) | West Chester University of Pennsylvania | USA |  |
| 724 (4454) | Aerospace Corporation | USA |  |
| 725 (4460) | Valdosta State University | USA |  |
| 726 (4463) | Halliburton Texas, Houston | USA |  |
| 727 (4475) | Northern Kentucky University | USA |  |
| 728 (4494) | United States Military Academy at West Point | USA |  |
| 729 (4507) | Tuskegee University | USA |  |
| 730 (4511) | Eastern Illinois University | USA |  |
| 731 (4518) | Quinnipiac University | USA |  |
| 732 (4521) | Butler University | USA |  |
| 733 (4527) | Macalester College | USA |  |
| 734 (4533) | Hampton University | USA |  |
| 735 (4560) | Widener University | USA |  |
| 736 (4569) | California State University, Chico | USA |  |
| 737 (4605) | University of Northern Iowa | USA |  |
| 738 (4626) | ConocoPhillips Company | USA |  |
| 739 (4643) | Norfolk State University | USA |  |
| 740 (4669) | Embry-Riddle Aeronautical University | USA |  |
| 741 (4743) | University of Texas, Brownsville | USA |  |
| 742 (4765) | Tennessee State University | USA |  |
| 743 (4768) | Richard Stockton College of New Jersey | USA |  |
| 744 (4787) | Manhattan College | USA |  |
| 745 (4853) | URS Corporation | USA |  |
| 746 (4861) | Purdue University Calumet | USA |  |
|