| NET CONNECTION INTERNATIONAL S.R.L. | | | | | 15 |
| INSTITUTO ARGENTINO DE NORMALIZACION Y CERTIFICACION (IRAM) | 1 | | | 309 | 415 |
| OVE | 6 | | 17 | 1121 | 338 |
| BELLIS Testing and Certification of Home Appliances and Industrial Products JSC | 1 | | 1 | 214 | 635 |
| PCCB – Product Certification Centre at Brussels | 1 | | | 22 | 5 |
| SGS Belgium N.V. - Division SGS-CEBEC | 12 | 2 | 61 | 1195 | 456 |
| LabTest Certification Inc. | | | | | 6 |
| QPS Evaluation Services, Inc. | 3 | | 3 | 237 | 92 |
| CSA Group | 13 | 1 | 113 | 867 | 39 |
| UL (CA) | 1 | | 1 | 75 | 4 |
| CENTRO DE ESTUDIOS, MEDICION Y CERTIFICACION DE CALIDAD CESMEC S.A. | 1 | | | | |
| China Quality Certification Center (CQC) | 40 | | 7 | 1349 | 15 |
| The Hong Kong Certification Centre Ltd. | | | | | |
| China Quality Mark Certification Group Co., Ltd. (CQM) | 1 | | | | |
| KONČAR - Electrical Engineering Institute Inc. | 1 | | | 19 | 1 |
| EZU | 1 | | 4 | 643 | 63 |
| FORCE Certification A/S | 3 | | | 68 | 2 |
| UL (Demko) | 66 | 1 | 247 | 1431 | 131 |
| SGS Fimko Ltd | 13 | | 46 | 1262 | 208 |
| APAVE Certification | 1 | | | 173 | 2 |
| Laboratoire National de Métrologie et d’Essais (LNE) | 1 | | 1 | 128 | 14 |
| EMITECH SAS | | | | | 33 |
| LCIE | 26 | 2 | 44 | 1355 | 51 |
| TÜV NORD CERT GmbH | 5 | | 11 | 166 | 6 |
| VDE Prüf- und Zertifizierungsinstitut GmbH | 10 | | 158 | 1221 | 19 |
| Intertek Deutschland GmbH | | | | | 102 |
| Eurofins Product Service GmbH | 4 | | 3 | 599 | 47 |
| Kiwa Primara GmbH | 1 | | | 12 | 156 |
| Hansecontrol Zertifizierungsgesellschaft mbH | 2 | | 1 | 255 | 1 |
| TÜV Rheinland LGA Products GmbH | 18 | 1 | 46 | 1659 | 14 |
| TÜV SÜD Product Service GmbH | 25 | 4 | 186 | 1281 | 242 |
| SLG Prüf- und Zertifizierungs GmbH | 2 | | | 555 | 49 |
| Materials Industrial Research and Technology Center s.a. (MIRTEC SA) | 1 | | | 15 | 12 |
| TÜV Rheinland InterCert Kft., MEEI Division | 9 | 1 | 26 | 1718 | 282 |
| BIS | | | | | 3 |
| PT. Sucofindo (Persero), Sucofindo International Certification Services (SICS) | 1 | | | 30 | |
| PRODUCT CERTIFICATION BODY- PPMB | 1 | | | 4 | |
| Institute for Industrial Certification | 2 | | | | |
| SII | 1 | | 6 | 209 | 10 |
| Hermon Laboratories Ltd | 1 | | 2 | 89 | |
| I.T.L. (PRODUCT TESTING) Ltd. | 1 | | 2 | 194 | 17 |
| IMQ S.p.A. | 7 | 1 | 95 | 1666 | 95 |
| ICIM S.p.A. | | | | | 4 |
| ECM, ENTE CERTIFICAZIONE MACCHINE S.R.L. | 1 | | | 5 | 210 |
| Japan Electrical Safety and Environment Technology Laboratories (JET) | 4 | | 4 | 491 | 175 |
| TÜV Rheinland Japan Ltd. | 52 | 1 | 199 | 1020 | 207 |
| Japan Quality Assurance Organization (JQA) | 5 | | 7 | 508 | 320 |
| UL (JP) | 2 | | 13 | 167 | 27 |
| Korea Electrotechnology Research Institute (KERI) | | | | | 52 |
| Korea Testing & Research Institute (KTR) | 6 | | | 440 | 249 |
| Korea Testing Laboratory (KTL) | 6 | | 8 | 738 | 115 |
| KTC - Korea Testing Certification | 3 | 2 | | 554 | 107 |
| SIRIM QAS International Sdn. Bhd. (SIRIM) | 1 | | | 295 | 98 |
| ANCE - Asociación de Normalización y Certificación, A.C. | | | | | 65 |
| DEKRA Certification B.V. | 18 | 2 | 275 | 1591 | 58 |
| Kiwa Nederland B.V. | 5 | | 2 | 194 | 52 |
| NEMKO AS | 18 | | 75 | 1290 | 156 |
| ITE PREDOM Division | 1 | | 1 | 482 | 416 |
| Association of Polish Electricians – Quality Testing Office (SEP – BBJ) | 2 | | 2 | 413 | 410 |
| Polish Centre for Testing and Certification S.A. - PCBC S.A. | 1 | | | 147 | 248 |
| CERTIF – Associação para a Certificação | 2 | | | 233 | 82 |
| GOST Re | 4 | | | 209 | 476 |
| Saudi NCB, Saudi Arabia | | | | | 149 |
| KVALITET | 1 | | | 378 | 791 |
| Centre Testing International Pte. Ltd. | 1 | | | 130 | 7 |
| Intertek Testing Services (Singapore) Pte Ltd | 9 | | 41 | 979 | 63 |
| TÜV SÜD PSB Pte. Ltd. | 17 | | 52 | 1334 | 39 |
| EVPU | 1 | | | 585 | 28 |
| SIQ Ljubljana | 2 | | 12 | 1169 | 38 |
| AENOR INTERNACIONAL, S.A.U. | 3 | | 15 | 1025 | 16 |
| Certification Entity for Renewable Energies, S.L. (CERE) | 1 | | | 18 | 4 |
| Intertek Semko AB | 21 | 2 | 132 | 1722 | 243 |
| Eurofins Electric & Electronic Product Testing AG | 8 | | 11 | 756 | 373 |
| TISI | 1 | | | 34 | |
| Electrical and Electronics Institute, Foundation for Industrial Development (EEI) | 1 | | | 41 | |
| TSE Certification Center | 2 | | 2 | 280 | 210 |
| Ukrainian Scientific and Technical Institute for Certification and Testing of Electrical Equipment UkrTEST of SE “Ukrmetrteststandart” | 1 | | | 404 | 12 |
| Emirates Authority for Standardization and Metrology (ESMA) | 1 | | | 133 | 43 |
| Element Materials Technology | 5 | 2 | 23 | 88 | 4 |
| Intertek Testing & Certification Ltd. | 3 | | 16 | 796 | 170 |
| BSI | 4 | 1 | 2 | 191 | 67 |
| LIA Laboratory Limited | 1 | | | 27 | |
| Intertek Testing Services NA, Inc. | 10 | 1 | 58 | 405 | 58 |
| UL (US) | 17 | 1 | 114 | 610 | 23 |
| TUV Rheinland of North America, Inc. | 3 | | 36 | 211 | 26 |
| Eurofins MET Labs | 6 | | | 72 | 86 |
| Bay Area Compliance Laboratories Corp. (BACL) | 1 | | | 7 | 38 |
