The Organ and Tissue Transplantation ecosystem links upstream, midstream, and downstream actors that enable donor procurement, graft processing, distribution, and clinical implantation. Upstream participants supply donor organs, tissues, and preservation solutions. Midstream actors include processing facilities, preservation services, and logistics firms that maintain viability during transport. Downstream entities comprise transplant centers, surgical teams, and post‑operative care providers delivering the final therapeutic outcome. Value is created by converting raw donor material into clinically usable grafts and captured through reimbursement, licensing, and service agreements. A value chain analysis highlights the interdependence of regulatory compliance, clinical expertise, and supply‑chain reliability.