| Net Connection International S.R.L. (NCI) | | | | | 15 |
| INSTITUTO ARGENTINO DE NORMALIZACION Y CERTIFICACION (IRAM) | 2 | | | 410 | 453 |
| OVE | 5 | | 13 | 1094 | 400 |
| BELLIS Testing and Certification of Home Appliances and Industrial Products JSC | 1 | | 1 | 208 | 567 |
| SGS Belgium N.V. - Division SGS-CEBEC | 11 | 1 | 65 | 1089 | 479 |
| PCCB – Product Certification Centre at Brussels | 1 | | | | 26 |
| LabTest Certification Inc. | 1 | | | 3 | 3 |
| QPS Evaluation Services, Inc. | 2 | | 3 | 197 | 8 |
| UL (CA) | 1 | | 3 | 76 | 7 |
| CSA Group | 15 | 1 | 102 | 792 | 51 |
| CQC | 39 | | 6 | 1309 | 14 |
| EZU | 1 | | 1 | 628 | 84 |
| FORCE Certification A/S | 3 | | | 46 | 25 |
| UL (Demko) | 61 | 2 | 230 | 1328 | 157 |
| SGS Fimko Ltd | 12 | | 42 | 1156 | 239 |
| LNE - Laboratoire national de métrologie et d’essais | 1 | | 1 | 127 | 10 |
| LCIE | 23 | 2 | 41 | 1276 | 68 |
| APAVE Certification | 1 | | | 163 | |
| Hansecontrol Zertifizierungsgesellschaft mbH | 2 | | 1 | 172 | 28 |
| Intertek Deutschland GmbH | | | | | 102 |
| TÜV NORD CERT GmbH | 6 | | 10 | 150 | 2 |
| Primara Test- und Zertifizier- GmbH | 1 | | | 6 | 3 |
| Eurofins Product Service GmbH | 3 | | 1 | 549 | 46 |
| SLG Prüf- und Zertifizierungs GmbH | 4 | | | 457 | 7 |
| TÜV SÜD Product Service GmbH | 24 | 6 | 262 | 1230 | 265 |
| TÜV Rheinland LGA Products GmbH | 18 | 1 | 73 | 1599 | 31 |
| VDE Prüf- und Zertifizierungsinstitut GmbH | 9 | | 161 | 1691 | 79 |
| Materials Industrial Research and Technology Center s.a. (MIRTEC SA) | 1 | | | 3 | 17 |
| TÜV Rheinland InterCert Kft., MEEI Division | 9 | 1 | 19 | 1635 | 289 |
| 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 | 82 | |
| I.T.L. (PRODUCT TESTING) Ltd. | 1 | | 1 | 124 | 11 |
| SII | 1 | | 6 | 197 | 4 |
| ICIM S.p.A. | 1 | | | 4 | |
| ECM, ENTE CERTIFICAZIONE MACCHINE S.R.L. | 1 | | | 5 | 212 |
| IMQ S.p.A. | 8 | | 110 | 1637 | 97 |
| UL (JP) | 3 | | 11 | 150 | 55 |
| TÜV Rheinland Japan Ltd. | 48 | 1 | 203 | 932 | 238 |
| Japan Quality Assurance Organization (JQA) | 5 | | 10 | 486 | 332 |
| Japan Electrical Safety and Environment Technology Laboratories (JET) | 3 | | 4 | 486 | 183 |
| Korea Energy Agency (KEA) | 3 | | | 11 | |
| Korea Electrotechnology Research Institute (KERI) | 1 | | | 52 | |
| Korea Testing & Research Institute (KTR) | 5 | | | 351 | 253 |
| KTC - Korea Testing Certification | 3 | | | 492 | 171 |
| Korea Testing Laboratory (KTL) | 5 | | 5 | 692 | 127 |
| SIRIM QAS International Sdn. Bhd. (SIRIM) | 1 | | | 278 | 107 |
| ANCE - Asociación de Normalización y Certificación, A.C. | | | | | 63 |
| DEKRA Certification B.V. | 13 | 2 | 228 | 1505 | 48 |
| Kiwa Nederland B.V. | 5 | | 1 | 152 | 56 |
| NEMKO AS | 18 | | 57 | 1273 | 159 |
| Polish Centre for Testing and Certification S.A. - PCBC S.A. | 1 | | | 147 | 274 |
| ITE PREDOM Division | 1 | | 1 | 496 | 443 |
| Association of Polish Electricians – Quality Testing Office (SEP – BBJ) | 2 | | 1 | 406 | 434 |
| CERTIF – Associação para a Certificação | 2 | | | 226 | 84 |
| GOST Re | 4 | | | 246 | 357 |
| Saudi NCB, Saudi Arabia | | | | | 69 |
| KVALITET | 1 | | | 378 | 821 |
| TÜV SÜD PSB Pte. Ltd. | 15 | | 50 | 1220 | 22 |
| Intertek Testing Services (Singapore) Pte Ltd | 8 | | 43 | 961 | 23 |
| Centre Testing International Pte. Ltd. | 1 | | | 81 | 3 |
| EVPU | 1 | | | 479 | 39 |
| SIQ - Slovenian Institute of Quality and Metrology | 3 | | 12 | 1184 | 40 |
| AENOR INTERNACIONAL, S.A.U. | 3 | | 11 | 946 | 22 |
| Intertek Semko AB | 24 | 2 | 122 | 1621 | 300 |
| Eurofins Electrosuisse Product Testing AG | 6 | | 10 | 750 | 371 |
| TISI | 1 | | | 20 | |
| TSE | 2 | | 2 | 282 | 211 |
| Ukrainian Scientific and Technical Institute for Certification and Testing of Electrical Equipment UkrTEST of SE “Ukrmetrteststandart” | 1 | | | 345 | 10 |
| Emirates Authority for Standardization and Metrology (ESMA) | 1 | | | 133 | 2 |
| Intertek Testing & Certification Ltd. | 3 | | 16 | 736 | 163 |
| LIA Laboratories Limited | 1 | | | 22 | |
| Element Materials Technology | 3 | 1 | 15 | 70 | 9 |
| BSI | 3 | 1 | 1 | 170 | 45 |
| UL (US) | 18 | 1 | 108 | 574 | 13 |
| TUV Rheinland of North America, Inc. | 3 | | 37 | 198 | 2 |
| Intertek Testing Services N.A., Inc. | 10 | 1 | 45 | 356 | 74 |
| MET Laboratories, Inc. | 4 | | | 70 | 87 |
