| Manufacturer | CB Certificate No. | IECQ Certificate No. | | CB/NAI | Issue Date | Status | |
|---|
 a |  |
| b | |
 c | |
| C E L [France] | |
| Cada Industrial Co Ltd, Reliability Test... [Taiwan] | |
| Campbell Hausfeld Shanghai Office [China] | |
| CarUX Technology (Ningbo) Ltd [China] | |
| CarUX Technology (Shanghai) Ltd [China] | |
| Cathay Consolidated, Inc [Taiwan] | |
| CC Electronics Europe Limited [United Kingdom] | |
| Celxpert Energy Corporation [Taiwan] | |
| | 20004236 ITL | IECQ-L ULTW 09.0006 | | ULTW (TAIWAN ) | 2024/12/26 | Current | |
| Centra Science Corp [Taiwan] | |
| CETECOM [Spain] | |
| CHANGZHOU HUAWEI ELECTRONICS CO, LTD [China] | |
| Channel Electric Equipment Ltd [United Kingdom] | |
| CHAO ZHOU THREE-CIRCLE (GROUP) CO, LTD [China] | |
| CHAO ZHOU THREE-CIRCLE (GROUP) [China] | |
| CHAOZHOU THREE-CIRCLE (GROUP) CO, LTD GU... [China] | |
| Cheetah Inspection Inc [Taiwan] | |
| CHENGDU TIEDA ELECTRONIC CO, LTD [China] | |
| CHENGDU XUGUANG ELECTRONICS CO, LTD [China] | |
| Chenrol Electric Wire & Cable Co, Ltd [Taiwan] | |
| Chi Mei Corporation Specialty Chemicals ... [Taiwan] | |
| Chi Yuan Plastic Industrial Co, Ltd [Taiwan] | |
| Chin-Poon Industrial Co, Ltd Taoyuan Pla... [Taiwan] | |
| CHIPIDEA MICROELECTRONICA SA [Portugal] | |
| CHIPIDEA MICROELECTRONICA [Portugal] | |
| CHONGQING SICHUAN INSTRUMENT MICROCIRCUI... [China] | |
| Cinch Connectors Limited [United Kingdom] | |
| Circast Electronics Limited [United Kingdom] | |
| CIRETEC [France] | |
| CKT Rubber Co, Ltd [Taiwan] | |
| Compagnie Deutsch Orléans [France] | |
| Compstock Electronics Ltd [United Kingdom] | |
| CONDENSATEURS SIC-SAFCO [France] | |
| CONDENSATEURS SIC SAFCO [France] | |
| CONTAG GmbH [Germany] | |
| COPEL [France] | |
| CROSS MODULE TECH CO [Taiwan] | |
| CROWNPO TECHNOLOGY INC [Taiwan] | |
| CTI-VESP Technology Corporation ShangHai... [China] | |
| CTI-VESP Technology Corporation [China] | |
| Current Electronic Technology (Heyuan) C... [China] | |
| Cyntec Co, Ltd [Taiwan] | |
| d | |
| e | |
| f | |
| g | |
| h | |
| i | |
| j | |
| k | |
| l | |
| m | |
| n | |
| o | |
| p | |
| q | |
| r | |
| s | |
| t | |
| u | |
| v | |
| w | |
| x | |
| y | |
| z | |