| Net Connection International S.R.L. (NCI) | | | | | 15 |
| INSTITUTO ARGENTINO DE NORMALIZACION Y CERTIFICACION (IRAM) | 1 | | | 309 | 424 |
| OVE | 5 | | 16 | 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 | 72 | 1117 | 472 |
| 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 | 90 | 806 | 49 |
| CQC | 39 | | 6 | 1322 | 13 |
| EZU | 1 | | 1 | 637 | 81 |
| FORCE Certification A/S | 3 | | | 59 | 1 |
| UL (Demko) | 65 | 1 | 224 | 1365 | 141 |
| SGS Fimko Ltd | 12 | | 45 | 1183 | 227 |
| LNE - Laboratoire national de métrologie et d’essais | 1 | | 1 | 129 | 8 |
| LCIE | 24 | 2 | 42 | 1317 | 55 |
| APAVE Certification | 1 | | | 165 | |
| Hansecontrol Zertifizierungsgesellschaft mbH | 2 | | 1 | 200 | 39 |
| Intertek Deutschland GmbH | | | | | 102 |
| TÜV NORD CERT GmbH | 7 | | 10 | 154 | 6 |
| Primara Test- und Zertifizier- GmbH | 1 | | | 8 | 1 |
| Eurofins Product Service GmbH | 3 | | 2 | 573 | 46 |
| SLG Prüf- und Zertifizierungs GmbH | 2 | | | 489 | 12 |
| TÜV SÜD Product Service GmbH | 23 | 5 | 272 | 1226 | 265 |
| TÜV Rheinland LGA Products GmbH | 18 | 1 | 48 | 1621 | 19 |
| VDE Prüf- und Zertifizierungsinstitut GmbH | 9 | | 153 | 1687 | 5 |
| Materials Industrial Research and Technology Center s.a. (MIRTEC SA) | 1 | | | 15 | 12 |
| TÜV Rheinland InterCert Kft., MEEI Division | 9 | 1 | 18 | 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 | 86 | |
| I.T.L. (PRODUCT TESTING) Ltd. | 1 | | 1 | 124 | 11 |
| SII | 1 | | 6 | 199 | 2 |
| IMQ S.p.A. | 8 | | 106 | 1652 | 100 |
| ECM, ENTE CERTIFICAZIONE MACCHINE S.R.L. | 1 | | | 5 | 213 |
| ICIM S.p.A. | | | | | 4 |
| Japan Quality Assurance Organization (JQA) | 5 | | 9 | 492 | 334 |
| UL (JP) | 3 | | 11 | 162 | 43 |
| TÜV Rheinland Japan Ltd. | 51 | 1 | 195 | 945 | 239 |
| Japan Electrical Safety and Environment Technology Laboratories (JET) | 3 | | 4 | 492 | 182 |
| Korea Testing Laboratory (KTL) | 5 | | 6 | 700 | 127 |
| Korea Energy Agency (KEA) | 3 | | | 11 | |
| Korea Testing & Research Institute (KTR) | 4 | | | 401 | 263 |
| KTC - Korea Testing Certification | 3 | | | 541 | 132 |
| Korea Electrotechnology Research Institute (KERI) | 1 | | | 52 | |
| SIRIM QAS International Sdn. Bhd. (SIRIM) | 1 | | | 279 | 109 |
| ANCE - Asociación de Normalización y Certificación, A.C. | | | | | 63 |
| DEKRA Certification B.V. | 16 | 2 | 238 | 1561 | 43 |
| Kiwa Nederland B.V. | 4 | | 1 | 151 | 65 |
| NEMKO AS | 19 | | 63 | 1241 | 157 |
| 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 | 433 |
| CERTIF – Associação para a Certificação | 2 | | | 226 | 84 |
| GOST Re | 4 | | | 211 | 484 |
| Saudi NCB, Saudi Arabia | | | | | 89 |
| KVALITET | 1 | | | 378 | 821 |
| TÜV SÜD PSB Pte. Ltd. | 16 | | 53 | 1251 | 20 |
| Centre Testing International Pte. Ltd. | 1 | | | 81 | 56 |
| Intertek Testing Services (Singapore) Pte Ltd | 8 | | 43 | 945 | 28 |
| EVPU | 1 | | | 580 | 44 |
| SIQ - Slovenian Institute of Quality and Metrology | 3 | | 13 | 1188 | 40 |
| Certification Entity for Renewable Energies, S.L. (CERE) | 1 | | | 2 | |
| AENOR INTERNACIONAL, S.A.U. | 3 | | 12 | 948 | 22 |
| Intertek Semko AB | 23 | 1 | 111 | 1642 | 305 |
| Eurofins Electrosuisse Product Testing AG | 7 | | 14 | 758 | 374 |
| 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 | | 15 | 779 | 172 |
| Element Materials Technology | 3 | 2 | 17 | 80 | 2 |
| BSI | 3 | 1 | 2 | 174 | 47 |
| LIA Laboratories Limited | 1 | | | 22 | |
| Intertek Testing Services N.A., Inc. | 9 | 1 | 49 | 367 | 77 |
| UL (US) | 18 | 1 | 107 | 578 | 10 |
| TUV Rheinland of North America, Inc. | 4 | | 36 | 206 | 26 |
| MET Laboratories, Inc. | 4 | | | 72 | 87 |
