The following ANAB-accredited certification bodies have completed the R2 V3 transition. Additional information can be found in Heads Up 476:
| National Standards Authority of Ireland, Inc. | 2021/08/02 |
| NSF International Strategic Registrations, Ltd. (NSF ISR) | 2022/02/27 |
| Orion Registrar, Inc. | 2021/05/20 |
| Perry Johnson Registrars, Inc. | 2021/07/09 |
| QMI-SAI Canada Limited | 2021/05/24 |
| SGS Knowledge Solutions, a Division of SGS North America Inc. (SGS) | 2022/03/30 |
