| 501 (1931) | Bucknell University | USA |  |
| 502 (1947) | Baker Hughes | USA |  |
| 503 (1955) | New Mexico Institute of Mining and Technology | USA | |
| 504 (1964) | Dow Chemical Company | USA | |
| 505 (1970) | Boise State University | USA | |
| 506 (1974) | Naval Postgraduate School | USA | |
| 507 (1976) | Bentley University | USA | |
| 508 (1990) | Florida Agricultural & Mechanical University | USA | |
| 509 (1997) | Los Angeles County-USC Medical Center | USA |  |
| 510 (2009) | Bowling Green State University | USA | |
| 511 (2016) | Northrop Grumman Corporation | USA | |
| 512 (2018) | University of Nevada-Las Vegas | USA | |
| 513 (2020) | University of Minnesota, Duluth | USA | |
| 514 (2028) | Thomas Jefferson National Accelerator Facility | USA |  |
| 515 (2032) | United States Naval Academy | USA | |
| 516 (2033) | Villanova University | USA | |
| 517 (2035) | Hartford Hospital | USA | |
| 518 (2037) | Milwaukee VA Medical Center | USA | |
| 519 (2043) | US National Science Foundation | USA | |
| 520 (2052) | Desert Research Institute, Reno | USA |  |
| 521 (2055) | University of Texas, El Paso | USA | |
| 522 (2061) | Alegent Creighton Health | USA | |
| 523 (2064) | ExxonMobil | USA | |
| 524 (2068) | Northern Illinois University | USA | |
| 525 (2070) | Duquesne University | USA | |
| 526 (2078) | Tennessee Technological University | USA | |
| 527 (2080) | University of Alabama, Huntsville | USA | |
| 528 (2114) | Glenn Research Center | USA | |
| 529 (2131) | University of Louisiana, Lafayette | USA | |
| 530 (2133) | Swarthmore College | USA | |
| 530 (2133) | University of Texas, Pan American | USA | |
| 532 (2145) | Florida Institute of Technology | USA | |
| 533 (2165) | University of North Carolina, Wilmington | USA | |
| 534 (2173) | Chevron Corporation | USA | |
| 535 (2181) | Battelle Memorial Institute | USA | |
| 536 (2198) | University of North Dakota | USA | |
| 537 (2212) | Children's Mercy Hospital | USA | |
| 538 (2215) | Lockheed Martin Corporation | USA | |
| 539 (2218) | Baystate Health System | USA | |
| 540 (2224) | Western Washington University | USA | |
| 541 (2226) | University of Richmond | USA | |
| 542 (2245) | Claremont Graduate University | USA | |
| 543 (2252) | Boeing Company, USA | USA | |
| 544 (2257) | Nemours A Children's Health System | USA | |
| 544 (2257) | Texas Christian University | USA | |
| 546 (2262) | University of Denver | USA | |
| 547 (2287) | San Jose State University | USA | |
| 548 (2291) | City University of New York, Queens College | USA | |
| 549 (2301) | Louisiana State University Agricultural Center | USA | |
| 550 (2306) | National Radio Astronomy Observatory, Charlottesville | USA | |
| 551 (2315) | Ford Motor Company | USA | |
| 552 (2316) | Jackson State University | USA | |
| 553 (2348) | Southwest Research Institute | USA | |
| 554 (2349) | Howard University | USA | |
| 555 (2361) | Electric Power Research Institute | USA | |
| 556 (2370) | California State University, Los Angeles | USA | |
| 557 (2378) | Field Museum Natural History | USA | |
| 558 (2386) | Wesleyan University, Middletown | USA | |
| 559 (2404) | The Catholic University of America | USA | |
| 560 (2421) | University of Tulsa | USA | |
| 561 (2423) | University of South Dakota | USA | |
| 562 (2428) | Northeastern Ohio Universities College of Medicine | USA | |
| 563 (2432) | Central Michigan University | USA | |
| 564 (2434) | State University of New York, College of Environmental Science and Forestry | USA | |
| 564 (2434) | University of San Francisco | USA | |
| 566 (2436) | Western Michigan University | USA | |
| 567 (2456) | East Tennessee State University | USA | |
| 568 (2461) | Fermi National Accelerator Laboratory | USA | |
| 569 (2463) | The New School | USA | |
| 570 (2475) | Fordham University | USA | |
| 571 (2489) | Geisinger Medical System | USA | |
| 572 (2497) | NASA Stennis Space Center | USA | |
| 573 (2498) | Science Applications International Corporation | USA | |
| 574 (2503) | NASA Johnson Space Center | USA | |
| 575 (2516) | Mount Holyoke College | USA | |
| 576 (2521) | Halliburton Texas, Houston | USA | |
| 577 (2539) | Loyola Marymount University | USA | |
| 578 (2557) | California State University, Long Beach | USA | |
| 579 (2567) | University of Nebraska, Omaha | USA | |
| 580 (2580) | International Monetary Fund | USA | |
| 581 (2604) | University of Arkansas, Little Rock | USA | |
| 582 (2620) | University of the Pacific | USA | |
| 583 (2631) | Maimonides Medical Center | USA | |
| 584 (2636) | MITRE Corporation, McLean | USA | |
| 585 (2639) | West Chester University of Pennsylvania | USA | |
| 586 (2644) | Saint John's University | USA | |
| 587 (2652) | Norfolk State University | USA | |
| 587 (2652) | The College of New Jersey | USA | |
| 587 (2652) | University of Northern Iowa | USA | |
| 590 (2659) | Midwestern University | USA | |
| 591 (2665) | Wichita State University | USA | |
| 592 (2666) | Wilford Hall Ambulatory Surgical Center | USA | |
| 593 (2670) | Nova Southeastern University, Estados Unidos | USA | |
| 594 (2672) | California State University, Sacramento | USA | |
| 595 (2681) | Idaho National Laboratory | USA | |
| 596 (2682) | City University of New York, Lehman College | USA | |
| 597 (2689) | Seton Hall University | USA | |
| 598 (2700) | University of San Diego | USA | |
| 599 (2724) | Illinois State University | USA | |
| 600 (2728) | California State University, Northridge | USA | |
| 601 (2731) | College of Charleston | USA | |
| 602 (2736) | Aerospace Corporation | USA | |
| 603 (2759) | Tuskegee University | USA | |
| 604 (2769) | James Madison University | USA | |
| 605 (2774) | Eastern Michigan University | USA | |
| 606 (2776) | Colgate University | USA | |
| 607 (2790) | Lamar University | USA | |
| 608 (2814) | University of Wisconsin, Eau Claire | USA | |
| 609 (2830) | Winthrop-University Hospital | USA | |
| 610 (2833) | Grand Valley State University | USA | |
| 611 (2855) | California State Polytechnic University, Pomona | USA | |
| 612 (2859) | California State University, East Bay | USA | |
| 612 (2859) | California State University, Fullerton | USA | |
| 614 (2864) | Montclair State University | USA | |
| 615 (2865) | Indiana State University | USA | |
| 616 (2869) | University of Tennessee, Chattanooga | USA | |
| 617 (2873) | Arkansas State University | USA | |
| 617 (2873) | Rowan University | USA | |
| 619 (2875) | California Polytechnic State University, San Luis Obispo | USA | |
| 620 (2877) | Western Kentucky University | USA | |
| 621 (2894) | Towson University | USA | |
| 622 (2902) | Naval Air Systems Command | USA | |
| 623 (2918) | City University of New York, John Jay College of Criminal Justice | USA | |
| 624 (2920) | Southern Illinois University Edwardsville | USA | |
| 625 (2980) | Appalachian State University | USA | |
| 626 (2982) | Ball State University | USA | |
| 627 (2983) | Kennesaw State University | USA | |
| 628 (3033) | Hampton University | USA | |
| 629 (3045) | American Society of Mechanical Engineers | USA | |
| 630 (3047) | University of Hawaii, Hilo | USA | |
| 631 (3068) | Idaho State University | USA | |
| 632 (3078) | Marshall University | USA | |
| 633 (3087) | Southern University, Baton Rouge | USA | |
| 634 (3092) | Georgia Southern University | USA | |
| 635 (3098) | Western Illinois University, Macomb | USA | |
| 636 (3118) | Smith College | USA | |
| 637 (3137) | Adelphi University | USA | |
| 638 (3160) | University of West Florida | USA | |
| 639 (3178) | Hofstra University | USA | |
| 640 (3194) | Long Island University | USA | |
| 641 (3203) | Texas State University, San Marcos | USA | |
| 642 (3205) | Rose-Hulman Institute of Technology | USA | |
| 643 (3223) | South Dakota School of Mines and Technology | USA | |
| 644 (3235) | Sam Houston State University | USA | |
| 645 (3261) | University of Alaska, Anchorage | USA | |
| 646 (3273) | California State University, Fresno | USA | |
| 647 (3296) | Seattle University | USA | |
| 648 (3306) | United States Fish and Wildlife Service | USA | |
| 649 (3307) | American Chemical Society | USA | |
| 650 (3318) | Missouri State University | USA | |
| 651 (3331) | NASA Marshall Space Flight Center | USA | |
| 652 (3338) | National Radio Astronomy Observatory, Socorro | USA | |
| 653 (3386) | University of North Florida | USA | |
| 654 (3394) | Prairie View A&M University | USA | |
| 655 (3402) | ConocoPhillips Company | USA | |
| 656 (3408) | Southeastern Louisiana University | USA | |
| 657 (3412) | NASA Kennedy Space Center | USA | |
| 658 (3423) | Indiana University/Purdue University at Fort Wayne | USA | |
| 659 (3427) | Humboldt State University | USA | |
| 660 (3430) | Society of Petroleum Engineers | USA | |
| 661 (3453) | Middle Tennessee State University | USA | |
| 662 (3458) | Morgan State University | USA | |
| 663 (3469) | Tennessee State University | USA | |
| 664 (3510) | Texas A&M University, Corpus Christi | USA | |
| 665 (3529) | Northern Kentucky University | USA | |
| 666 (3552) | Pace University | USA | |
| 667 (3589) | Lafayette College | USA | |
| 668 (3624) | Purdue University Calumet | USA | |
| 669 (3659) | United States Military Academy at West Point | USA | |
| 670 (3687) | American Society of Civil Engineers | USA | |
| 671 (3714) | Youngstown State University | USA | |
| 672 (3768) | Embry-Riddle Aeronautical University | USA | |
| 673 (3946) | URS Corporation | USA | |
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