| NET CONNECTION INTERNATIONAL S.R.L. | | | | | 15 |
| INSTITUTO ARGENTINO DE NORMALIZACION Y CERTIFICACION (IRAM) | 1 | | | 309 | 415 |
| OVE | 6 | | 17 | 1154 | 339 |
| BELLIS Testing and Certification of Home Appliances and Industrial Products JSC | 1 | | 1 | 215 | 636 |
| PCCB – Product Certification Centre at Brussels | 1 | | | 22 | 5 |
| SGS Belgium N.V. - Division SGS-CEBEC | 13 | | 63 | 1205 | 451 |
| LabTest Certification Inc. | | | | | 6 |
| CSA Group | 14 | | 118 | 870 | 43 |
| UL (CA) | 1 | | 1 | 75 | 4 |
| QPS Evaluation Services, Inc. | 3 | | 3 | 232 | 84 |
| CENTRO DE ESTUDIOS, MEDICION Y CERTIFICACION DE CALIDAD CESMEC S.A. | 1 | | | | |
| China Quality Certification Center (CQC) | 39 | | 7 | 1363 | 15 |
| China Quality Mark Certification Group Co., Ltd. (CQM) | 1 | | | | |
| The Hong Kong Certification Centre Ltd. | 1 | | | 44 | 10 |
| KONČAR - Electrical Engineering Institute Inc. | 1 | | | 19 | 1 |
| EZU | 1 | | 3 | 647 | 63 |
| CODINORM | | | | | |
| FORCE Certification A/S | 3 | | | 69 | 4 |
| UL (Demko) | 66 | | 228 | 1440 | 131 |
| SGS Fimko Ltd | 13 | | 47 | 1262 | 209 |
| APAVE Certification | 1 | | | 176 | 1 |
| EMITECH SAS | 1 | | | 33 | 1 |
| LCIE | 26 | | 40 | 1377 | 48 |
| Laboratoire National de Métrologie et d’Essais (LNE) | 1 | | 1 | 128 | 14 |
| Intertek Deutschland GmbH | | | | | 102 |
| TÜV NORD CERT GmbH | 6 | | 11 | 166 | 6 |
| Kiwa Primara GmbH | 1 | | | 12 | 156 |
| Hansecontrol Zertifizierungsgesellschaft mbH | 2 | | 1 | 255 | 1 |
| Eurofins Product Service GmbH | 4 | | 3 | 603 | 50 |
| SLG Prüf- und Zertifizierungs GmbH | 2 | | | 566 | 35 |
| VDE Prüf- und Zertifizierungsinstitut GmbH | 10 | | 161 | 1237 | 18 |
| TÜV Rheinland LGA Products GmbH | 19 | | 55 | 1664 | 17 |
| TÜV SÜD Product Service GmbH | 25 | | 190 | 1285 | 238 |
| Materials Industrial Research and Technology Center s.a. (MIRTEC SA) | 1 | | | 15 | 12 |
| TÜV Rheinland InterCert Kft., MEEI Division | 9 | | 27 | 1725 | 275 |
| 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 | | 7 | 212 | 10 |
| Hermon Laboratories Ltd | 1 | | 2 | 89 | |
| I.T.L. (Product Testing) Ltd. | 1 | | 2 | 194 | 17 |
| IMQ S.p.A. | 6 | | 94 | 1681 | 94 |
| 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 | 500 | 175 |
| TÜV Rheinland Japan Ltd. | 47 | | 198 | 1026 | 206 |
| Japan Quality Assurance Organization (JQA) | 5 | | 8 | 519 | 321 |
| UL (JP) | 2 | | 13 | 167 | 27 |
| Korea Electrotechnology Research Institute (KERI) | | | | | 52 |
| Korea Testing & Research Institute (KTR) | 6 | | | 453 | 249 |
| Korea Testing Laboratory (KTL) | 6 | | 8 | 738 | 115 |
| KTC - Korea Testing Certification | 3 | | | 535 | 109 |
| SIRIM QAS International Sdn. Bhd. (SIRIM) | 1 | | | 295 | 98 |
| ANCE - Asociación de Normalización y Certificación, A.C. | | | | | 65 |
| DEKRA Certification B.V. | 18 | | 278 | 1600 | 59 |
| Kiwa Nederland B.V. | 5 | | 2 | 183 | 52 |
| NEMKO AS | 18 | | 79 | 1296 | 154 |
| ITE PREDOM Division | 1 | | 1 | 482 | 418 |
| Association of Polish Electricians – Quality Testing Office (SEP – BBJ) | 2 | | 2 | 424 | 418 |
| Polish Centre for Testing and Certification S.A. - PCBC S.A. | | | | | 248 |
| CERTIF – Associação para a Certificação | 2 | | | 234 | 81 |
| GOST Re | 4 | | | 209 | 476 |
| Saudi NCB, Saudi Arabia | | | | | 149 |
| KVALITET | 1 | | | 378 | 791 |
| Centre Testing International Pte. Ltd. | 1 | | | 132 | 7 |
| Intertek Testing Services (Singapore) Pte Ltd | 10 | | 44 | 1008 | 43 |
| TÜV SÜD PSB Pte. Ltd. | 16 | | 54 | 1352 | 25 |
| EVPU | 1 | | | 585 | 28 |
| SIQ Ljubljana | 2 | | 12 | 1189 | 37 |
| AENOR INTERNACIONAL, S.A.U. | 3 | | 15 | 1025 | 16 |
| Certification Entity for Renewable Energies, S.L. (CERE) | 1 | | | 21 | 1 |
| Intertek Semko AB | 20 | | 129 | 1733 | 245 |
| Eurofins Electric & Electronic Product Testing AG | 8 | | 11 | 744 | 380 |
| 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 | | 23 | 89 | 7 |
| Intertek Testing & Certification Ltd. | 3 | | 20 | 800 | 183 |
| BSI | 4 | | 2 | 191 | 67 |
| LIA Laboratory Limited | 1 | | | 27 | |
| Intertek Testing Services NA, Inc. | 10 | | 60 | 409 | 63 |
| UL (US) | 17 | | 104 | 620 | 13 |
| TUV Rheinland of North America, Inc. | 3 | | 40 | 211 | 27 |
| Eurofins MET Labs | 6 | | | 72 | 86 |
| Bay Area Compliance Laboratories Corp. (BACL) | 1 | | | 7 | 38 |
