- ALIVE: AIDS Link to the IntraVenous Experience
- ALLRT: AACTG Longitudinal Linked Randomized Trials
- CWRU: Case Western Reserve University Immunology Unit Patient Care and Research Database
- EGHCC: Emory-Grady HIV Clinical Cohort
- FENWAY: Fenway Community Health Center
- HIVRN: HIV Research Network
- HOPS: HIV Outpatient Study
- JHHCC: Johns Hopkins HIV Clinical Cohort
- KPMAS: Kaiser Permanente Mid-Atlantic States
- KPNC: Kaiser Permanente Northern California
- LSOCA: Longitudinal Study of Ocular Complications of AIDS
- MWCCS: MACS/WIHS Combined Cohort Study
- MHCS-II: Second Multicenter Hemophilia Cohort Study
- MLMC: Maple Leaf Medical Clinic
- MONT: The McGill University Health Centre, Chronic Viral Illness Service Cohort
- OHTN: Ontario HIV Treatment Network Cohort Study
- PARKLAND: Parkland/UT Southwestern Cohort
- RRC: Retrovirus Research Center
- SAC: Southern Alberta Clinic Cohort
- SCOPE: Study of the Consequences of the Protease Inhibitor Era
- SUN: The Study to Understand the Natural History of HIV/AIDS in the Era of Effective Therapy
- UAB: University of Alabama at Birmingham 1917 Clinic Cohort
- UCHCC: University of North Carolina, Chapel Hill HIV Clinic
- UCSD: University of California at San Diego
- UW: University of Washington HIV Cohort
- VACS: Veterans Aging Cohort Study and Virtual Cohort
- VAND: Vanderbilt Comprehensive Care Clinic HIV Cohort