The Texas Organ Sharing Alliance (TOSA) is one of only 58 non-profit 501(c)(3), independent, federally-designated Organ Procurement Organizations (OPOs) in the United States dedicated to educating and providing organ donation and recovery services to families wishing to donate and to those waiting for a life-saving organ transplant.

Founded in 1975 TOSA provides service to more than 100 hospitals and six transplant centers in 56 Central and South Texas Counties. TOSA is based out of San Antonio and has regional offices in Austin and McAllen.