Nacha’s Top 50 ACH Originating and Receiving Financial Institutions for 2023. HERNDON, Va., March 20, 2024–(BUSINESS WIRE)–Nacha’s Top 50 ranking of financial institution originators and receivers of ACH payments for 2023 was released today. The Top 50 originating institutions had total ACH Network volume of nearly 27.7 billion payments last year, an increase of 5.7%