| 501 (2014) | University of Nevada-Las Vegas | USA |  |
| 502 (2016) | Bowling Green State University | USA | |
| 503 (2017) | Hartford Hospital | USA |  |
| 504 (2031) | University of Massachusetts, Dartmouth | USA | |
| 505 (2050) | Bentley University | USA | |
| 506 (2069) | Florida Agricultural & Mechanical University | USA | |
| 507 (2073) | Chevron Corporation | USA |  |
| 508 (2084) | Duquesne University | USA | |
| 509 (2103) | University of Texas, El Paso | USA | |
| 510 (2108) | Boeing Company, USA | USA | |
| 511 (2109) | Alegent Creighton Health | USA | |
| 512 (2116) | Northrop Grumman Corporation | USA | |
| 513 (2131) | Loyola University Maryland | USA | |
| 514 (2136) | Bucknell University | USA | |
| 514 (2136) | University of Louisiana, Lafayette | USA | |
| 516 (2142) | Joint Institute for Laboratory Astrophysics | USA |  |
| 517 (2153) | US National Science Foundation | USA | |
| 518 (2164) | Glenn Research Center | USA | |
| 519 (2168) | New Mexico Institute of Mining and Technology | USA | |
| 520 (2175) | Los Angeles County-USC Medical Center | USA | |
| 521 (2180) | Thomas Jefferson National Accelerator Facility | USA | |
| 521 (2180) | University of South Dakota | USA | |
| 523 (2184) | University of Alabama, Huntsville | USA | |
| 524 (2187) | Florida Institute of Technology | USA | |
| 525 (2206) | NASA Stennis Space Center | USA | |
| 526 (2220) | United States Naval Academy | USA | |
| 527 (2225) | Northern Illinois University | USA | |
| 528 (2228) | Middlebury College | USA | |
| 528 (2228) | Raytheon Company | USA | |
| 530 (2244) | University of North Carolina, Wilmington | USA | |
| 531 (2249) | University of Denver | USA | |
| 532 (2252) | Desert Research Institute, Reno | USA |  |
| 533 (2257) | Lockheed Martin Corporation | USA | |
| 534 (2260) | Texas Christian University | USA | |
| 535 (2263) | Nemours A Children's Health System | USA | |
| 536 (2275) | City University of New York, Queens College | USA | |
| 537 (2278) | Milwaukee VA Medical Center | USA | |
| 538 (2284) | Western Washington University | USA | |
| 539 (2298) | Wellesley College | USA | |
| 540 (2302) | University of San Francisco | USA | |
| 541 (2303) | University of Texas, Pan American | USA | |
| 542 (2308) | Louisiana State University Agricultural Center | USA | |
| 543 (2313) | California State University, Los Angeles | USA | |
| 544 (2316) | Battelle Memorial Institute | USA | |
| 545 (2318) | Swarthmore College | USA | |
| 546 (2337) | Baystate Health System | USA | |
| 547 (2342) | Meharry Medical College | USA | |
| 548 (2343) | Field Museum Natural History | USA | |
| 549 (2351) | Indiana University-South Bend | USA | |
| 550 (2359) | Walter Reed National Military Medical Center | USA | |
| 551 (2377) | San Jose State University | USA | |
| 552 (2388) | The New School | USA | |
| 553 (2398) | Ford Motor Company | USA | |
| 554 (2401) | Fermi National Accelerator Laboratory | USA | |
| 555 (2406) | Southwest Research Institute | USA | |
| 556 (2411) | The Catholic University of America | USA | |
| 557 (2427) | Trinity University | USA | |
| 558 (2449) | East Tennessee State University | USA | |
| 559 (2460) | Jackson State University | USA | |
| 560 (2467) | University of Richmond | USA | |
| 561 (2475) | West Chester University of Pennsylvania | USA | |
| 562 (2483) | Central Michigan University | USA | |
| 563 (2485) | University of North Dakota | USA | |
| 564 (2492) | Claremont Graduate University | USA | |
| 565 (2495) | Howard University | USA | |
| 565 (2495) | Northeastern Ohio Universities College of Medicine | USA | |
| 567 (2505) | Wesleyan University, Middletown | USA | |
| 568 (2519) | NASA Johnson Space Center | USA | |
| 569 (2524) | Western Michigan University | USA | |
| 570 (2536) | International Monetary Fund | USA | |
| 571 (2541) | Children's Mercy Hospital | USA | |
| 571 (2541) | Subaru Telescope | USA | |
| 573 (2587) | University of Nebraska, Omaha | USA | |
| 574 (2614) | The College of New Jersey | USA | |
| 575 (2617) | National Radio Astronomy Observatory, Charlottesville | USA | |
| 576 (2637) | University of Arkansas, Little Rock | USA | |
| 577 (2641) | Electric Power Research Institute | USA | |
| 578 (2642) | College of Charleston | USA | |
| 579 (2663) | Fordham University | USA | |
| 580 (2675) | Halliburton Texas, Houston | USA | |
| 581 (2676) | Tennessee Technological University | USA | |
| 582 (2684) | California State University, Long Beach | USA | |
| 583 (2686) | Aerospace Corporation | USA | |
| 584 (2723) | Wichita State University | USA | |
| 585 (2725) | University of San Diego | USA | |
| 586 (2730) | American University | USA | |
| 587 (2733) | Nova Southeastern University, Estados Unidos | USA | |
| 588 (2746) | Franklin & Marshall College | USA | |
| 589 (2753) | University of Tulsa | USA | |
| 590 (2755) | Illinois State University | USA | |
| 591 (2763) | Wilford Hall Ambulatory Surgical Center | USA | |
| 592 (2768) | Idaho National Laboratory | USA | |
| 592 (2768) | Science Applications International Corporation | USA | |
| 594 (2772) | Naval Air Systems Command | USA | |
| 595 (2775) | University of the Pacific | USA | |
| 596 (2776) | Geisinger Medical System | USA | |
| 596 (2776) | Loyola Marymount University | USA | |
| 598 (2801) | University of Northern Iowa | USA | |
| 599 (2814) | Arkansas State University | USA | |
| 600 (2818) | James Madison University | USA | |
| 601 (2824) | University of Northern Colorado | USA | |
| 602 (2826) | Maimonides Medical Center | USA | |
| 603 (2839) | Texas Woman's University | USA | |
| 604 (2846) | Tuskegee University | USA | |
| 604 (2846) | University of Wisconsin, Eau Claire | USA | |
| 606 (2848) | City University of New York, John Jay College of Criminal Justice | USA | |
| 607 (2862) | Lamar University | USA | |
| 608 (2863) | MITRE Corporation, McLean | USA | |
| 609 (2877) | California State University, Northridge | USA | |
| 610 (2880) | Towson University | USA | |
| 611 (2892) | Midwestern University | USA | |
| 612 (2897) | Saint John's University | USA | |
| 613 (2913) | Eastern Michigan University | USA | |
| 614 (2924) | California State University, San Bernardino | USA | |
| 615 (2936) | California State University, Sacramento | USA | |
| 616 (2957) | Seton Hall University | USA | |
| 617 (2960) | California State Polytechnic University, Pomona | USA | |
| 618 (2964) | Indiana State University | USA | |
| 619 (2978) | California State University, Fullerton | USA | |
| 620 (3003) | University of Hawaii, Hilo | USA | |
| 620 (3003) | Winthrop-University Hospital | USA | |
| 622 (3008) | Mount Holyoke College | USA | |
| 623 (3028) | Montclair State University | USA | |
| 624 (3029) | Marshall University | USA | |
| 625 (3042) | City University of New York, Lehman College | USA | |
| 626 (3051) | Saint Cloud State University | USA | |
| 627 (3067) | Grand Valley State University | USA | |
| 628 (3073) | Rowan University | USA | |
| 628 (3073) | University of Tennessee, Chattanooga | USA | |
| 630 (3079) | California Polytechnic State University, San Luis Obispo | USA | |
| 631 (3087) | Kennesaw State University | USA | |
| 632 (3094) | Washington State University, Vancouver | USA | |
| 633 (3102) | California State University, Fresno | USA | |
| 634 (3116) | Ball State University | USA | |
| 635 (3123) | California State University, East Bay | USA | |
| 636 (3142) | Colgate University | USA | |
| 637 (3149) | Texas State University, San Marcos | USA | |
| 638 (3163) | Appalachian State University | USA | |
| 639 (3166) | University of Alaska, Anchorage | USA | |
| 640 (3170) | Idaho State University | USA | |
| 641 (3187) | Adelphi University | USA | |
| 641 (3187) | Hofstra University | USA | |
| 643 (3201) | Smith College | USA | |
| 644 (3211) | Southern Illinois University Edwardsville | USA | |
| 645 (3223) | University of Wisconsin, Oshkosh | USA | |
| 646 (3253) | Western Illinois University, Macomb | USA | |
| 647 (3264) | South Dakota School of Mines and Technology | USA | |
| 648 (3272) | American Society of Mechanical Engineers | USA | |
| 649 (3291) | Georgia Southern University | USA | |
| 650 (3301) | Western Kentucky University | USA | |
| 651 (3326) | Missouri State University | USA | |
| 652 (3351) | Lehigh Valley Hospital | USA | |
| 653 (3371) | Long Island University | USA | |
| 654 (3377) | Prairie View A&M University | USA | |
| 655 (3389) | Hampton University | USA | |
| 656 (3431) | California State University, Chico | USA | |
| 657 (3432) | NASA Kennedy Space Center | USA | |
| 658 (3454) | Society of Petroleum Engineers | USA | |
| 659 (3462) | ConocoPhillips Company | USA | |
| 660 (3475) | University of North Florida | USA | |
| 661 (3488) | Middle Tennessee State University | USA | |
| 662 (3513) | Seattle University | USA | |
| 663 (3526) | National Radio Astronomy Observatory, Socorro | USA | |
| 664 (3535) | Sam Houston State University | USA | |
| 665 (3565) | NASA Marshall Space Flight Center | USA | |
| 666 (3569) | Lafayette College | USA | |
| 667 (3604) | University of West Florida | USA | |
| 668 (3634) | Indiana University/Purdue University at Fort Wayne | USA | |
| 669 (3637) | Tennessee State University | USA | |
| 670 (3653) | United States Fish and Wildlife Service | USA | |
| 671 (3671) | Humboldt State University | USA | |
| 672 (3675) | American Chemical Society | USA | |
| 673 (3699) | Southeastern Louisiana University | USA | |
| 674 (3706) | Pace University | USA | |
| 675 (3762) | Indiana University of Pennsylvania | USA | |
| 676 (3765) | Western Carolina University | USA | |
| 677 (3843) | Savannah River National Laboratory | USA | |
| 678 (3853) | Youngstown State University | USA | |
| 679 (3862) | Missouri Botanical Garden | USA | |
| 680 (3866) | United States Military Academy at West Point | USA | |
| 681 (3961) | Purdue University Calumet | USA | |
| 682 (4010) | Embry-Riddle Aeronautical University | USA | |
| 683 (4142) | URS Corporation | USA | |
| 684 (4226) | Nuclear Regulatory Commission | USA | |
| 685 (4240) | Research Institute for Fragrance Materials | USA | |
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