| Net Connection International S.R.L. (NCI) | | | | | 15 |
| INSTITUTO ARGENTINO DE NORMALIZACION Y CERTIFICACION (IRAM) | 2 | | | 410 | 453 |
| OVE | 5 | | 13 | 1102 | 398 |
| BELLIS Testing and Certification of Home Appliances and Industrial Products JSC | 1 | | 1 | 203 | 567 |
| SGS Belgium N.V. - Division SGS-CEBEC | 11 | 1 | 70 | 1113 | 471 |
| PCCB – Product Certification Centre at Brussels | 1 | | | | 29 |
| LabTest Certification Inc. | 1 | | | 3 | 3 |
| QPS Evaluation Services, Inc. | 2 | | 3 | 199 | 6 |
| UL (CA) | 1 | | 3 | 77 | 6 |
| CSA Group | 15 | 1 | 106 | 803 | 48 |
| CQC | 39 | | 6 | 1321 | 14 |
| EZU | 1 | | 1 | 631 | 81 |
| FORCE Certification A/S | 3 | | | 59 | 1 |
| UL (Demko) | 65 | 1 | 232 | 1362 | 141 |
| SGS Fimko Ltd | 12 | | 42 | 1178 | 229 |
| LNE - Laboratoire national de métrologie et d’essais | 1 | | 1 | 128 | 9 |
| LCIE | 24 | 2 | 42 | 1298 | 73 |
| APAVE Certification | 1 | | | 165 | |
| Hansecontrol Zertifizierungsgesellschaft mbH | 2 | | 1 | 200 | |
| Intertek Deutschland GmbH | | | | | 102 |
| TÜV NORD CERT GmbH | 7 | | 10 | 154 | 5 |
| Primara Test- und Zertifizier- GmbH | 1 | | | 7 | 2 |
| Eurofins Product Service GmbH | 3 | | 1 | 567 | 52 |
| SLG Prüf- und Zertifizierungs GmbH | 4 | | | 464 | 23 |
| TÜV SÜD Product Service GmbH | 24 | 6 | 265 | 1245 | 264 |
| TÜV Rheinland LGA Products GmbH | 18 | 1 | 48 | 1618 | 18 |
| VDE Prüf- und Zertifizierungsinstitut GmbH | 9 | | 149 | 1714 | 72 |
| Materials Industrial Research and Technology Center s.a. (MIRTEC SA) | 1 | | | 3 | 17 |
| TÜV Rheinland InterCert Kft., MEEI Division | 10 | 1 | 20 | 1650 | 277 |
| BIS | | | | | 3 |
| PT. Sucofindo (Persero), Sucofindo International Certification Services (SICS) | 1 | | | 30 | |
| PRODUCT CERTIFICATION BODY- PPMB | 1 | | | 4 | |
| Institute for Industrial Certification | 2 | | | 14 | 3 |
| Hermon Laboratories Ltd | 1 | | 1 | 85 | 1 |
| I.T.L. (PRODUCT TESTING) Ltd. | 1 | | 1 | 124 | 11 |
| SII | 1 | | 6 | 199 | 2 |
| ICIM S.p.A. | 1 | | | 4 | |
| ECM, ENTE CERTIFICAZIONE MACCHINE S.R.L. | 1 | | | 5 | 212 |
| IMQ S.p.A. | 8 | | 109 | 1647 | 105 |
| UL (JP) | 3 | | 11 | 162 | 43 |
| TÜV Rheinland Japan Ltd. | 47 | 1 | 197 | 935 | 244 |
| Japan Quality Assurance Organization (JQA) | 5 | | 10 | 488 | 332 |
| Japan Electrical Safety and Environment Technology Laboratories (JET) | 3 | | 4 | 492 | 182 |
| Korea Energy Agency (KEA) | 3 | | | 11 | |
| Korea Electrotechnology Research Institute (KERI) | 1 | | | 52 | |
| Korea Testing & Research Institute (KTR) | 5 | | | 401 | 263 |
| KTC - Korea Testing Certification | 3 | | | 541 | 132 |
| Korea Testing Laboratory (KTL) | 5 | | 6 | 695 | 127 |
| SIRIM QAS International Sdn. Bhd. (SIRIM) | 1 | | | 279 | 107 |
| ANCE - Asociación de Normalización y Certificación, A.C. | | | | | 63 |
| DEKRA Certification B.V. | 15 | 2 | 234 | 1545 | 49 |
| Kiwa Nederland B.V. | 5 | | 1 | 152 | 56 |
| NEMKO AS | 18 | | 59 | 1284 | 158 |
| Polish Centre for Testing and Certification S.A. - PCBC S.A. | 1 | | | 147 | 274 |
| ITE PREDOM Division | 1 | | 1 | 496 | 444 |
| Association of Polish Electricians – Quality Testing Office (SEP – BBJ) | 2 | | 1 | 406 | 417 |
| CERTIF – Associação para a Certificação | 2 | | | 226 | 84 |
| GOST Re | 4 | | | 246 | 484 |
| Saudi NCB, Saudi Arabia | | | | | 88 |
| KVALITET | 1 | | | 378 | 821 |
| TÜV SÜD PSB Pte. Ltd. | 16 | | 52 | 1236 | 25 |
| Intertek Testing Services (Singapore) Pte Ltd | 9 | | 46 | 974 | 27 |
| Centre Testing International Pte. Ltd. | 1 | | | 81 | 3 |
| EVPU | 1 | | | 479 | 41 |
| SIQ - Slovenian Institute of Quality and Metrology | 3 | | 12 | 1185 | 40 |
| AENOR INTERNACIONAL, S.A.U. | 3 | | 11 | 946 | 22 |
| Intertek Semko AB | 23 | 1 | 123 | 1625 | 297 |
| Eurofins Electrosuisse Product Testing AG | 7 | | 11 | 753 | 371 |
| TISI | 1 | | | 20 | |
| TSE | 2 | | 2 | 282 | 210 |
| Ukrainian Scientific and Technical Institute for Certification and Testing of Electrical Equipment UkrTEST of SE “Ukrmetrteststandart” | 1 | | | 368 | 42 |
| Emirates Authority for Standardization and Metrology (ESMA) | 1 | | | 133 | 2 |
| Intertek Testing & Certification Ltd. | 3 | | 16 | 776 | 169 |
| LIA Laboratories Limited | 1 | | | 22 | |
| Element Materials Technology | 3 | 2 | 15 | 80 | 2 |
| BSI | 3 | 1 | 2 | 172 | 45 |
| UL (US) | 17 | 1 | 105 | 576 | 10 |
| TUV Rheinland of North America, Inc. | 4 | | 41 | 206 | 26 |
| Intertek Testing Services N.A., Inc. | 9 | 1 | 49 | 359 | 71 |
| MET Laboratories, Inc. | 4 | | | 71 | 87 |
