| 501 (3710) | University of Northern Iowa | USA |  |
| 502 (3738) | California State University, East Bay | USA | |
| 503 (3759) | Williams College | USA | |
| 504 (3760) | University of Alaska, Anchorage | USA | |
| 505 (3783) | Miami University of Ohio | USA | |
| 506 (3790) | California Polytechnic State University, San Luis Obispo | USA | |
| 507 (3826) | California State University, Dominguez Hills | USA | |
| 508 (3829) | University of Wisconsin, Stevens Point | USA | |
| 509 (3830) | Brock University | CAN | |
| 510 (3836) | Colby College | USA | |
| 511 (3853) | American University | USA | |
| 512 (3854) | The University of Winnipeg | CAN | |
| 513 (3864) | Thompson Rivers University | CAN | |
| 514 (3873) | University of North Carolina, Wilmington | USA | |
| 515 (3913) | DePaul University | USA | |
| 516 (3916) | Hofstra University * | USA | |
| 517 (3922) | New York Botanical Garden | USA |  |
| 518 (3924) | University of Nebraska, Omaha | USA | |
| 519 (3932) | Texas A&M University, Corpus Christi | USA | |
| 520 (3942) | Universite du Quebec en Chicoutimi | CAN | |
| 521 (3976) | Central Michigan University | USA | |
| 522 (3986) | Universite du Quebec en Outaouais | CAN | |
| 523 (3991) | Barnard College | USA | |
| 524 (4013) | Smith College | USA | |
| 525 (4044) | California State University, Sacramento | USA | |
| 526 (4052) | Laurentian University | CAN | |
| 527 (4072) | University of New England, United States | USA | |
| 528 (4075) | Eastern Michigan University | USA | |
| 529 (4112) | ICF International Inc | USA |  |
| 530 (4140) | Science System and Applications, Inc | USA | |
| 531 (4175) | College of Charleston | USA | |
| 532 (4177) | Western Washington University | USA | |
| 533 (4182) | University of Dayton | USA | |
| 534 (4196) | Saint Mary's University | CAN | |
| 535 (4200) | Universite du Quebec en Abitibi-Temiscamingue | CAN | |
| 536 (4204) | University of Oklahoma Health Sciences Center | USA | |
| 537 (4211) | Montreal School of Higher Commercial Studies | CAN | |
| 538 (4216) | California State University, Fresno | USA | |
| 539 (4233) | James Madison University | USA | |
| 540 (4235) | University of Prince Edward Island | CAN | |
| 541 (4241) | Athabasca University | CAN | |
| 542 (4243) | Middlebury College | USA | |
| 543 (4244) | University of South Alabama * | USA | |
| 544 (4253) | University of Missouri, Kansas City | USA | |
| 545 (4261) | Kennesaw State University | USA | |
| 546 (4274) | University of South Dakota | USA | |
| 547 (4281) | Lamar University | USA | |
| 548 (4306) | Middle Tennessee State University | USA | |
| 549 (4331) | University of Missouri, Saint Louis | USA | |
| 550 (4388) | Western Carolina University | USA | |
| 551 (4400) | Florida Gulf Coast University | USA | |
| 552 (4413) | Sonoma State University | USA | |
| 553 (4426) | California State University, San Bernardino | USA | |
| 554 (4461) | Macalester College | USA | |
| 555 (4486) | University of Wisconsin, Green Bay | USA | |
| 556 (4488) | Indiana State University | USA | |
| 557 (4507) | Centre for Addiction and Mental Health | CAN |  |
| 558 (4510) | University of Portland | USA | |
| 559 (4530) | Texas Christian University | USA | |
| 560 (4535) | Tennessee Technological University | USA | |
| 561 (4545) | University of Wisconsin - LaCrosse | USA | |
| 562 (4547) | East Tennessee State University | USA | |
| 563 (4561) | Bowling Green State University | USA | |
| 564 (4565) | Ronin Institute | USA |  |
| 565 (4567) | Colorado College | USA | |
| 566 (4618) | Cape Breton University | CAN | |
| 567 (4636) | Missouri State University | USA | |
| 568 (4643) | University of West Florida | USA | |
| 569 (4651) | University of New Orleans | USA | |
| 570 (4741) | Pace University | USA | |
| 571 (4768) | Franklin & Marshall College | USA | |
| 572 (4775) | Skidmore College | USA | |
| 573 (4808) | Eastern Kentucky University | USA | |
| 574 (4858) | Manhattan College | USA | |
| 575 (4925) | University of Maryland Eastern Shore | USA | |
|
