| 501 (2302) | California Department of Public Health | USA |  |
| 502 (2305) | National High Magnetic Field Laboratory | USA |  |
| 503 (2307) | Woods Hole Oceanographic Institution | USA |  |
| 504 (2311) | United States Naval Academy | USA |  |
| 505 (2312) | Denver Health Medical Center | USA | |
| 506 (2316) | NASA Johnson Space Center | USA | |
| 507 (2324) | Baylor University | USA | |
| 508 (2326) | University of Denver | USA | |
| 509 (2327) | Northern Illinois University | USA | |
| 509 (2327) | SLAC National Accelerator Laboratory | USA | |
| 511 (2333) | Harvey Mudd College | USA | |
| 512 (2340) | Northern Arizona University | USA | |
| 513 (2342) | Western Illinois University, Macomb | USA | |
| 514 (2358) | University of Massachusetts, Boston | USA | |
| 515 (2363) | Middlebury College | USA | |
| 515 (2363) | Rothman Institute | USA | |
| 517 (2366) | Rose-Hulman Institute of Technology | USA | |
| 517 (2366) | Yale New Haven Health System | USA | |
| 519 (2374) | University of Nebraska, Omaha | USA | |
| 520 (2391) | Electric Power Research Institute | USA | |
| 521 (2393) | Lamar University | USA | |
| 522 (2397) | Partners HealthCare System | USA | |
| 522 (2397) | Williams College | USA | |
| 524 (2416) | University of Minnesota, Duluth | USA | |
| 525 (2419) | University of Missouri, Saint Louis | USA | |
| 525 (2419) | Western Michigan University | USA | |
| 527 (2437) | Rehabilitation Institute of Chicago | USA | |
| 528 (2440) | Villanova University | USA | |
| 529 (2448) | Tuskegee University | USA | |
| 530 (2479) | Wilford Hall Ambulatory Surgical Center | USA | |
| 531 (2503) | NASA Goddard Space Flight Center | USA | |
| 532 (2520) | University of Nevada-Las Vegas | USA | |
| 533 (2527) | Southwest Research Institute | USA | |
| 534 (2532) | Wills Eye Hospital | USA | |
| 535 (2545) | Wellesley College | USA | |
| 536 (2563) | General Atomics | USA |  |
| 537 (2574) | DePaul University | USA | |
| 538 (2582) | California State University, Sacramento | USA | |
| 538 (2582) | Joint Institute for Laboratory Astrophysics | USA | |
| 538 (2582) | Thomas Jefferson National Accelerator Facility | USA | |
| 541 (2611) | Marshall University | USA | |
| 542 (2619) | Nova Southeastern University, Estados Unidos | USA | |
| 543 (2623) | West Chester University of Pennsylvania | USA | |
| 544 (2629) | Winthrop-University Hospital | USA | |
| 545 (2633) | US National Science Foundation | USA | |
| 546 (2651) | Children's Hospital Colorado | USA | |
| 547 (2662) | University of North Carolina, Wilmington | USA | |
| 548 (2703) | Jackson State University | USA | |
| 549 (2730) | Adelphi University | USA | |
| 550 (2733) | Institute for Advanced Study | USA | |
| 551 (2736) | Geisinger Medical System | USA | |
| 551 (2736) | University of Wisconsin, Eau Claire | USA | |
| 553 (2807) | Hampton University | USA | |
| 554 (2816) | Monterey Bay Aquarium Research Institute | USA | |
| 555 (2818) | Harvard Pilgrim Health Care | USA | |
| 556 (2826) | Bowling Green State University | USA | |
| 556 (2826) | South Dakota School of Mines and Technology | USA | |
| 558 (2833) | Los Angeles County-USC Medical Center | USA | |
| 559 (2837) | University of Montana, Missoula | USA | |
| 560 (2845) | United States Geological Survey | USA | |
| 561 (2854) | State University of New York, College of Environmental Science and Forestry | USA | |
| 562 (2857) | Swarthmore College | USA | |
| 563 (2864) | University of San Diego | USA | |
| 563 (2864) | Wesleyan University, Middletown | USA | |
| 565 (2871) | James Madison University | USA | |
| 566 (2876) | Miriam Hospital | USA | |
| 566 (2876) | University of West Florida | USA | |
| 568 (2882) | National Oceanic and Atmospheric Administration | USA | |
| 569 (2890) | City University of New York, Lehman College | USA | |
| 569 (2890) | Wichita State University | USA | |
| 571 (2912) | California State University, Long Beach | USA | |
| 571 (2912) | University of North Carolina, Greensboro | USA | |
| 573 (2917) | Arkansas State University | USA | |
| 573 (2917) | University of Richmond | USA | |
| 575 (2921) | Rowan University | USA | |
| 576 (2931) | California State University, East Bay | USA | |
| 577 (2941) | Illinois State University | USA | |
| 578 (2946) | The College of New Jersey | USA | |
| 579 (2954) | Southern University, Baton Rouge | USA | |
| 579 (2954) | Western Kentucky University | USA | |
| 581 (2963) | American Chemical Society | USA | |
| 582 (2984) | NASA Kennedy Space Center | USA | |
| 583 (3012) | Georgia Southern University | USA | |
| 584 (3014) | American Society of Mechanical Engineers | USA | |
| 584 (3014) | Towson University | USA | |
| 586 (3017) | University of San Francisco | USA | |
| 587 (3022) | Ball State University | USA | |
| 588 (3030) | Fordham University | USA | |
| 588 (3030) | Maimonides Medical Center | USA | |
| 590 (3040) | Loyola Marymount University | USA | |
| 591 (3122) | National Bureau of Economic Research | USA | |
| 592 (3141) | Grand Valley State University | USA | |
| 593 (3172) | Universities Space Research Association | USA | |
| 594 (3177) | NASA Marshall Space Flight Center | USA | |
| 595 (3182) | Idaho State University | USA | |
| 596 (3196) | Cambridge Health Alliance | USA | |
| 597 (3207) | California State University, Northridge | USA | |
| 597 (3207) | Kennesaw State University | USA | |
| 599 (3216) | Southern Illinois University Edwardsville | USA | |
| 600 (3230) | Desert Research Institute, Reno | USA | |
| 601 (3234) | National Center for Atmospheric Research | USA | |
| 602 (3235) | Montclair State University | USA | |
| 602 (3235) | Northern Kentucky University | USA | |
| 604 (3242) | Bentley University | USA | |
| 604 (3242) | United States Military Academy at West Point | USA | |
| 606 (3253) | Mount Holyoke College | USA | |
| 606 (3253) | Texas State University, San Marcos | USA | |
| 608 (3277) | Indiana University/Purdue University at Fort Wayne | USA | |
| 609 (3293) | Baystate Health System | USA | |
| 610 (3303) | Claremont Graduate University | USA | |
| 610 (3303) | University of Maryland, Center for Environmental Science | USA | |
| 612 (3314) | Norfolk State University | USA | |
| 613 (3316) | The New School | USA | |
| 614 (3320) | College of Charleston | USA | |
| 615 (3327) | American Society of Heating, Refrigerating, and Air-Conditioning Engineers | USA | |
| 616 (3337) | Prairie View A&M University | USA | |
| 617 (3341) | Middle Tennessee State University | USA | |
| 618 (3351) | Pace University | USA | |
| 619 (3352) | Eastern Michigan University | USA | |
| 620 (3356) | California State University, Fullerton | USA | |
| 621 (3372) | Long Island University | USA | |
| 622 (3377) | Texas A&M University, Corpus Christi | USA | |
| 623 (3382) | Lafayette College | USA | |
| 624 (3392) | California State University, Fresno | USA | |
| 625 (3406) | University of Northern Iowa | USA | |
| 626 (3414) | Western Washington University | USA | |
| 627 (3422) | Hofstra University | USA | |
| 628 (3453) | University of Alaska, Fairbanks | USA | |
| 629 (3463) | Indiana State University | USA | |
| 630 (3481) | Bucknell University | USA | |
| 630 (3481) | Clark University | USA | |
| 632 (3490) | Appalachian State University | USA | |
| 633 (3495) | Southeastern Louisiana University | USA | |
| 633 (3495) | University of Alaska, Anchorage | USA | |
| 633 (3495) | Youngstown State University | USA | |
| 636 (3505) | New England Research Institutes | USA | |
| 637 (3527) | Science System and Applications, Inc | USA | |
| 638 (3534) | Barnard College | USA | |
| 639 (3548) | Group Health Cooperative | USA | |
| 640 (3554) | Purdue University Calumet | USA | |
| 641 (3561) | RAND Corporation | USA | |
| 642 (3578) | National Radio Astronomy Observatory, Charlottesville | USA | |
| 643 (3585) | Fermi National Accelerator Laboratory | USA | |
| 644 (3589) | Princeton Plasma Physics Laboratory | USA | |
| 645 (3632) | Smith College | USA | |
| 645 (3632) | University of Tennessee, Chattanooga | USA | |
| 647 (3639) | Embry-Riddle Aeronautical University | USA | |
| 647 (3639) | Morgan State University | USA | |
| 649 (3646) | American University | USA | |
| 650 (3699) | Smithsonian Institution | USA | |
| 651 (3702) | City University of New York, John Jay College of Criminal Justice | USA | |
| 652 (3711) | Colgate University | USA | |
| 653 (3719) | University of North Florida | USA | |
| 654 (3733) | American Society of Civil Engineers | USA | |
| 654 (3733) | University of Hawaii, Hilo | USA | |
| 656 (3758) | American Museum of Natural History | USA | |
| 657 (3771) | Tennessee State University | USA | |
| 658 (3774) | Missouri State University | USA | |
| 659 (3786) | National Optical Astronomy Observatory | USA | |
| 660 (3810) | United States Fish and Wildlife Service | USA | |
| 660 (3810) | Wildlife Conservation Society USA | USA | |
| 662 (3826) | URS Corporation | USA | |
| 663 (3843) | Seattle University | USA | |
| 664 (3905) | Space Telescope Science Institute | USA | |
| 665 (3914) | World Bank United States | USA | |
| 666 (3922) | Spitzer Science Center | USA | |
| 667 (3947) | Brookings Institution | USA | |
| 667 (3947) | Field Museum Natural History | USA | |
| 667 (3947) | Humboldt State University | USA | |
| 667 (3947) | International Monetary Fund | USA | |
| 667 (3947) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 667 (3947) | National Radio Astronomy Observatory, Socorro | USA | |
| 667 (3947) | Sam Houston State University | USA | |
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