| Zengeza CRS |
30320 |
| ZAMBART CRS |
31743 |
| Yen Hoa Health Clinic CRS |
31969 |
| Wits Reproductive Health and HIV Institute CRS (WRHI CRS) |
31639 |
| Weill Cornell Chelsea CRS |
7804 |
| Washington University Therapeutics (WT) CRS |
2101 |
| Ward 21 CRS |
31966 |
| Wake County Health and Human Services CRS |
30076 |
| Vulindlela CRS |
31448 |
| Via Libre CRS |
31909 |
| Verulam CRS |
31663 |
| Vanderbilt Vaccine (VV) CRS |
30352 |
| UW HIV Prevention CRS |
30315 |
| UVRI-IAVI HIV Vaccine Program LTD. CRS |
30924 |
| University of Rochester Vaccines to Prevent HIV Infection CRS |
31467 |
| Ukrainian Institute on Public Health Policy (UIPHP) |
31828 |
| UIC Project WISH CRS |
30347 |
| UCLA Vine Street Clinic CRS |
31607 |
| UCLA CARE Center CRS |
601 |
| Tongaat CRS |
31662 |
| The University of Miami AIDS Clinical Research Unit (ACRU) CRS |
901 |
| The Ponce de Leon Center CRS |
5802 |
| The Hope Clinic of the Emory Vaccine Center CRS |
31440 |
| Thai Red Cross AIDS Research Centre (TRC-ARC) CRS |
31802 |
| St. Jude Children's Research Hospital CRS |
6501 (ATN: 33016) |