| 501 (2317) | University of Nebraska, Omaha | USA |  |
| 502 (2322) | City University of New York, Queens College | USA | |
| 503 (2324) | University of Minnesota, Duluth | USA | |
| 504 (2328) | Indiana University-South Bend | USA | |
| 505 (2333) | Northern Illinois University | USA | |
| 506 (2341) | Lamar University | USA | |
| 506 (2341) | Marshall University | USA | |
| 508 (2352) | Idaho National Laboratory | USA |  |
| 508 (2352) | Tuskegee University | USA | |
| 510 (2363) | University of North Dakota | USA | |
| 511 (2365) | Partners HealthCare System | USA |  |
| 512 (2374) | National High Magnetic Field Laboratory | USA | |
| 513 (2378) | Rothman Institute | USA | |
| 514 (2382) | Loyola University Maryland | USA | |
| 514 (2382) | Yale New Haven Health System | USA | |
| 516 (2387) | Middlebury College | USA | |
| 517 (2395) | Milwaukee VA Medical Center | USA | |
| 518 (2418) | NASA Johnson Space Center | USA | |
| 519 (2428) | California State University, Los Angeles | USA | |
| 520 (2434) | Rehabilitation Institute of Chicago | USA | |
| 521 (2443) | Institute for Advanced Study | USA |  |
| 522 (2450) | Baylor University | USA | |
| 522 (2450) | Monterey Bay Aquarium Research Institute | USA | |
| 524 (2460) | NASA Goddard Space Flight Center | USA | |
| 525 (2469) | University of Tulsa | USA | |
| 526 (2474) | San Jose State University | USA | |
| 527 (2485) | University of Alabama, Huntsville | USA | |
| 528 (2496) | Naval Postgraduate School | USA | |
| 528 (2496) | Western Michigan University | USA | |
| 530 (2513) | University of Missouri, Saint Louis | USA | |
| 531 (2531) | Villanova University | USA | |
| 531 (2531) | Western Illinois University, Macomb | USA | |
| 533 (2536) | Electric Power Research Institute | USA | |
| 534 (2548) | Wilford Hall Ambulatory Surgical Center | USA | |
| 535 (2558) | Southwest Research Institute | USA | |
| 536 (2610) | University of Nevada-Las Vegas | USA | |
| 537 (2642) | California State University, Sacramento | USA | |
| 537 (2642) | SLAC National Accelerator Laboratory | USA | |
| 537 (2642) | Wills Eye Hospital | USA | |
| 540 (2667) | Bowling Green State University | USA | |
| 541 (2673) | Jackson State University | USA | |
| 542 (2676) | United States Naval Academy | USA | |
| 543 (2713) | Trinity University | USA | |
| 543 (2713) | West Chester University of Pennsylvania | USA | |
| 545 (2744) | Arkansas State University | USA | |
| 545 (2744) | James Madison University | USA | |
| 547 (2749) | University of North Carolina, Wilmington | USA | |
| 548 (2755) | Franklin & Marshall College | USA | |
| 548 (2755) | Winthrop-University Hospital | USA | |
| 550 (2779) | US National Science Foundation | USA | |
| 551 (2797) | Wichita State University | USA | |
| 552 (2813) | Nova Southeastern University, Estados Unidos | USA | |
| 553 (2822) | DePaul University | USA | |
| 554 (2829) | Rady Children's Hospital-San Diego | USA | |
| 554 (2829) | University of Wisconsin, Eau Claire | USA | |
| 556 (2852) | Savannah River National Laboratory | USA | |
| 557 (2853) | University of Northern Colorado | USA | |
| 558 (2862) | Swarthmore College | USA | |
| 559 (2865) | South Dakota School of Mines and Technology | USA | |
| 560 (2879) | California State University, East Bay | USA | |
| 561 (2883) | University of San Diego | USA | |
| 562 (2891) | Hampton University | USA | |
| 563 (2908) | Adelphi University | USA | |
| 564 (2914) | Harvard Pilgrim Health Care | USA | |
| 564 (2914) | University of Richmond | USA | |
| 566 (2927) | Miriam Hospital | USA | |
| 567 (2943) | General Atomics | USA |  |
| 568 (2947) | Thomas Jefferson National Accelerator Facility | USA | |
| 569 (2968) | State University of New York, College of Environmental Science and Forestry | USA | |
| 570 (2976) | American Society of Mechanical Engineers | USA | |
| 571 (2978) | National Oceanic and Atmospheric Administration | USA | |
| 571 (2978) | The College of New Jersey | USA | |
| 573 (2984) | United States Geological Survey | USA | |
| 574 (3008) | Prairie View A&M University | USA | |
| 575 (3012) | University of San Francisco | USA | |
| 576 (3017) | Joint Institute for Laboratory Astrophysics | USA | |
| 577 (3023) | Towson University | USA | |
| 578 (3028) | Wellesley College | USA | |
| 579 (3039) | American Chemical Society | USA | |
| 580 (3051) | Texas State University, San Marcos | USA | |
| 581 (3077) | University of North Carolina, Greensboro | USA | |
| 582 (3080) | Indiana University/Purdue University at Fort Wayne | USA | |
| 583 (3100) | California State University, Fresno | USA | |
| 584 (3122) | Grand Valley State University | USA | |
| 584 (3122) | University of Maryland, Center for Environmental Science | USA | |
| 586 (3148) | University of Montana, Missoula | USA | |
| 587 (3154) | Georgia Southern University | USA | |
| 588 (3170) | California State University, Long Beach | USA | |
| 589 (3181) | Idaho State University | USA | |
| 589 (3181) | Rowan University | USA | |
| 591 (3192) | Wesleyan University, Middletown | USA | |
| 592 (3196) | Ball State University | USA | |
| 592 (3196) | Geisinger Medical System | USA | |
| 594 (3211) | NASA Kennedy Space Center | USA | |
| 595 (3240) | National Bureau of Economic Research | USA | |
| 595 (3240) | United States Military Academy at West Point | USA | |
| 597 (3266) | Fordham University | USA | |
| 598 (3291) | Long Island University | USA | |
| 599 (3296) | Los Angeles County-USC Medical Center | USA | |
| 600 (3300) | Joint Quantum Institute | USA | |
| 601 (3307) | Loyola Marymount University | USA | |
| 602 (3313) | Illinois State University | USA | |
| 602 (3313) | Montclair State University | USA | |
| 604 (3331) | National Center for Atmospheric Research | USA | |
| 604 (3331) | Science System and Applications, Inc | USA | |
| 606 (3342) | Desert Research Institute, Reno | USA | |
| 607 (3345) | Universities Space Research Association | USA | |
| 608 (3356) | College of Charleston | USA | |
| 608 (3356) | The New School | USA | |
| 610 (3364) | California State University, Northridge | USA | |
| 610 (3364) | Lafayette College | USA | |
| 612 (3371) | Eastern Michigan University | USA | |
| 613 (3389) | NASA Marshall Space Flight Center | USA | |
| 614 (3392) | Middle Tennessee State University | USA | |
| 615 (3397) | Lehigh Valley Hospital | USA | |
| 616 (3410) | University of Alaska, Fairbanks | USA | |
| 617 (3419) | New England Research Institutes | USA | |
| 618 (3428) | Group Health Cooperative | USA | |
| 619 (3434) | Bucknell University | USA | |
| 620 (3449) | Mount Holyoke College | USA | |
| 620 (3449) | Southern Illinois University Edwardsville | USA | |
| 622 (3462) | Indiana State University | USA | |
| 623 (3466) | Cambridge Health Alliance | USA | |
| 624 (3477) | Kennesaw State University | USA | |
| 625 (3491) | City University of New York, Lehman College | USA | |
| 626 (3504) | Maimonides Medical Center | USA | |
| 627 (3522) | Bentley University | USA | |
| 627 (3522) | Washington State University, Vancouver | USA | |
| 629 (3557) | Princeton Plasma Physics Laboratory | USA | |
| 630 (3565) | Missouri Botanical Garden | USA | |
| 631 (3570) | University of Northern Iowa | USA | |
| 632 (3574) | Youngstown State University | USA | |
| 633 (3578) | Barnard College | USA | |
| 634 (3587) | California State University, San Bernardino | USA | |
| 635 (3593) | Saint Cloud State University | USA | |
| 636 (3600) | University of Alaska, Anchorage | USA | |
| 637 (3606) | Western Kentucky University | USA | |
| 638 (3609) | Claremont Graduate University | USA | |
| 639 (3613) | University of North Florida | USA | |
| 640 (3618) | Texas Woman's University | USA | |
| 641 (3630) | University of Wisconsin, Oshkosh | USA | |
| 642 (3649) | Appalachian State University | USA | |
| 643 (3653) | California State University, Chico | USA | |
| 643 (3653) | Nuclear Regulatory Commission | USA | |
| 645 (3673) | Baystate Health System | USA | |
| 646 (3716) | University of Tennessee, Chattanooga | USA | |
| 647 (3721) | Pace University | USA | |
| 648 (3743) | California State University, Fullerton | USA | |
| 649 (3747) | RAND Corporation | USA | |
| 650 (3751) | Fermi National Accelerator Laboratory | USA | |
| 651 (3755) | University of West Florida | USA | |
| 652 (3764) | Clark University | USA | |
| 653 (3770) | Southeastern Louisiana University | USA | |
| 654 (3778) | Smithsonian Institution | USA | |
| 655 (3786) | Indiana University of Pennsylvania | USA | |
| 656 (3828) | American University | USA | |
| 657 (3833) | Hofstra University | USA | |
| 658 (3836) | Smith College | USA | |
| 659 (3878) | National Radio Astronomy Observatory, Charlottesville | USA | |
| 659 (3878) | Subaru Telescope | USA | |
| 661 (3887) | American Museum of Natural History | USA | |
| 661 (3887) | Western Washington University | USA | |
| 663 (3892) | City University of New York, John Jay College of Criminal Justice | USA | |
| 664 (3935) | Embry-Riddle Aeronautical University | USA | |
| 665 (3967) | URS Corporation | USA | |
| 666 (4000) | Seattle University | USA | |
| 667 (4019) | Colgate University | USA | |
| 668 (4024) | National Optical Astronomy Observatory | USA | |
| 668 (4024) | Purdue University Calumet | USA | |
| 670 (4055) | Tennessee State University | USA | |
| 670 (4055) | University of Hawaii, Hilo | USA | |
| 672 (4080) | United States Fish and Wildlife Service | USA | |
| 673 (4093) | Missouri State University | USA | |
| 674 (4118) | Spitzer Science Center | USA | |
| 675 (4122) | Space Telescope Science Institute | USA | |
| 676 (4131) | Field Museum Natural History | USA | |
| 677 (4138) | World Bank United States | USA | |
| 678 (4142) | Humboldt State University | USA | |
| 678 (4142) | International Monetary Fund | USA | |
| 678 (4142) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 678 (4142) | National Radio Astronomy Observatory, Socorro | USA | |
| 678 (4142) | Research Institute for Fragrance Materials | USA | |
| 678 (4142) | Sam Houston State University | USA | |
| 678 (4142) | Western Carolina University | USA | |
| 678 (4142) | Wildlife Conservation Society USA | USA | |
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