| AIT Austrian Institute of Technology GmbH | Wien | |
| Association of Polish Electricians – Quality Testing Office (SEP – BBJ) Testing Laboratory LUBLIN | Lublin | |
| CTI-VIENNA, (Cooperative Testing Institute for Electrotechnical Products) Ltd. | Wien | |
| DEKRA Certification B.V. | Arnhem | |
| DEKRA Testing Services (Zhejiang) Co., Ltd. | Wenzhou, Zhejiang | |
| Fujian Inspection and Research Institute for Product Quality (FQII) | Fujian | |
| Guangdong Testing Institute of Product Quality Supervision-Dongguan(GQI-Dongguan) | Dongguan City | |
| IMQ S.p.A. – Milano | Milano | |
| Institut ''Prüffeld für elektrische Hochleistungs-technik'' GmbH, (IPH) | Berlin | |
| Institute for International Product Safety GmbH | Bonn | |
| Intertek Semko AB | Kista | |
| Intertek Testing Services Shanghai | Shanghai | |
| KTC ChungBuk | Chungcheongbuk-do, 28115 | |
| Laboratoire Central des Industries Electriques (LCIE) | Fontenay-Aux-Roses | |
| SGS Belgium NV – Division SGS CEBEC | Brussels | |
| SGS Fimko Ltd. | Helsinki | |
| Shandong Institute for Product Quality Inspection（SDQI） | | |
| Shanghai Testing & Inspection Institute for Electrical Equipment Co., Ltd. (STIEE) | Shanghai | |
| Suzhou Electrical Apparatus Science Research Institute Co., Ltd. (EETI) | Suzhou | |
| Technical center of Wenzhou Entry-Exit Inspection and Quarantine Bureau | Wenzhou | |
| The Comprehensive Technical Service Center (RUIAN BRANCH) of Wenzhou Customs | Ruian City | |
| Tianjin Tianchuan Electric Control Equipment Test Co., Ltd. | Tianjin | |
| TÜV Rheinland InterCert Kft., MEEI Division | Budapest | |
| UL India Pvt Ltd. | Whitefield | |
| UL International Demko A/S | Ballerup | |
| Zhejiang Fangyuan Test Group Co., Ltd | Jiaxing City | |
| Zhejiang Testing & Inspection Institute for Mechanical and Electrical Products Quality (ZTME) | Hangzhou | |
