The following ANAB-accredited certification bodies have completed the transition to ISO/IEC 17021-3:2017. Additional information can be found in Heads Up 382.
| ABS Quality Evaluations, Inc. | 2018/11/19 |
| ACM CERT S.r.l. | 2019/02/17 |
| ACS Registrars Limited | 2018/12/01 |
| Advantage International Registrar, Inc. | 2018/10/09 |
| AEA Quality Registrars, Inc. | 2018/12/31 |
| AENOR Internacional S.A.U. | 2018/03/09 |
| AJA Registrars Ltd. | 2019/01/03 |
| American Management Technology, Inc. | 2018/10/24 |
| American Petroleum Institute Quality Registrar | 2018/08/03 |
| American Systems Registrar | 2018/08/21 |
| Asociacion Civil BASC Peru | 2019/02/20 |
| ASR Co., Ltd. | 2018/11/05 |
| AudIT3, LLC | 2018/12/01 |
| Aviation Suppliers Association dba ASACB | 2018/07/30 |
| BCC Inc. | 2018/06/26 |
| Beijing East Allreach Certification Center Co. Ltd. | 2018/08/13 |
| Beijing Head International Certification Co., Ltd. | 2018/04/30 |
| Beijing Tianyizheng Certification Center Limited Company | 2018/11/05 |
| Beijing ZhongDaHuaYuan Certification Center | 2018/11/05 |
| BSI Assurance UK Limited | 2018/09/29 |
| Bureau of Standards Jamaica dba National Certification Body of Jamaica | 2018/11/19 |
| Bureau Veritas Certification Holding | 2018/11/29 |
| CEPREI Certification Body | 2018/03/27 |
| CERTECH Registration Inc. | 2018/09/11 |
| Certification Association "Russian Register" | 2018/11/05 |
| CMA Quality International Inc. | 2018/09/11 |
| DEKRA Certification, Inc. | 2018/06/13 |
| DLS Quality Management, Inc. | 2018/06/13 |
| DNV GL Business Assurance USA, Inc. | 2018/06/26 |
| DQS Inc. | 2018/11/05 |
| Eagle Registrations Inc. | 2018/10/26 |
| EQA | 2018/04/16 |
| EQA Certificacion Mexico, S.A. de C.V. | 2019/02/17 |
| Ever Win Quality Certification Center | 2018/07/15 |
| Global Standards S.C. | 2018/08/22 |
| Great Western Registrar LLC | 2018/08/03 |
| Hangzhou WIT Assessment Co., Ltd. | 2018/11/05 |
| The Hartford Steam Boiler Inspection & Insurance Co. dba HSB Registration Services | 2019/02/22 |
| IAPMO R&T | 2018/09/29 |
| ICR International Certification Registrar Ltd. | 2018/06/13 |
| International Standards Authority, Inc. | 2018/06/26 |
| Intertek Testing Services NA, Inc., dba Intertek | 2019/01/16 |
| ISOQAR Inc. | 2018/11/08 |
| Istituto Italiano di Garanzia della Qualita | 2018/12/18 |
| KaiXin Certification (Beijing) Co., Ltd. | 2018/04/11 |
| LL-C (Certification) Czech Republic A.S. | 2018/11/19 |
| Lloyd's Register Quality Assurance, Inc. | 2018/08/28 |
| Management Certification of North America | 2019/03/05 |
| National Quality Assurance, USA | 2018/04/17 |
| Novo Star Management Systems Solutions India Private Limited | 2018/12/03 |
| NSAI, Inc. | 2018/07/11 |
| NSF International Strategic Registrations, Ltd. | 2018/12/18 |
| NVT Quality Certification Pvt. Ltd. | 2019/01/07 |
| Orion Registrar, Inc. | 2018/09/20 |
| Performance Review Institute Registrar, Div. of Performance Review Institute Inc. | 2019/02/17 |
| Perry Johnson Registrars, Inc. | 2018/10/29 |
| Platinum Registration, Inc. | 2018/06/13 |
| Preferred Registrar Group | 2018/11/07 |
| QMI-SAI Canada Limited (SAI Global) | 2019/03/26 |
| Quality Systems Registrars, Inc. | 2018/07/29 |
| The Registrar Company Inc. | 2018/11/19 |
| RINA Services SPA | 2018/06/26 |
| RONET International Certification Services Ltd. | 2018/07/15 |
| Schellman & Company, LLC | 2018/08/28 |
| SGS Certification and Business Enhancement, a Division of SGS North America Inc. | 2018/12/01 |
| Shanghai Audit Center of Quality Systems | 2018/11/05 |
| Shanghai Noa Test & Certification Group Co. Ltd. | 2018/04/10 |
| Smithers Quality Assessments, Inc. | 2018/03/09 |
| SRI Quality System Registrar | 2018/10/02 |
| The Standards Institution of Israel, Quality and Certification Division | 2018/11/19 |
| TUV Rheinland of North America, Inc. | 2019/03/29 |
| TÜV SÜD America Inc. | 2018/11/19 |
| TUV USA, Inc. | 2018/08/06 |
| World Certification Services Ltd. | 2018/06/13 |
