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| Manufacturer | CB Certificate No. | IECQ Certificate No. | | CB/NAI | Issue Date | Status | |
|---|
 a |  |
| A P E M [France] | |
| | 008-95 | M-IECQ LCIE 05.0005 | | LCIE (France) | 2005/02/06 | Cancelled | |
| AB Connectors Limited [United Kingdom] | |
| | M1070 IECQ | M-IECQ BSI 05.0011 | | BSI (United Kingdom) | 2012/08/01 | Cancelled | |
| | E1275/F | Q-IECQ BSI 05.0098 | | BSI (United Kingdom) | 2005/12/15 | Cancelled | |
| | E1212/F | Q-IECQ BSI 05.0061 | | BSI (United Kingdom) | 2005/04/14 | Cancelled | |
| ABC Taiwan Electronics Corp [Taiwan] | |
| | 50600560 ITL | IECQ-L ULTW 24.0001 | | ULTW (TAIWAN ) | 2024/01/08 | Current | |
| Abtest Limited [United Kingdom] | |
| | T3000 IECQ | IECQ-L BSI 11.0001 | | BSI (United Kingdom) | 2013/12/31 | Cancelled | |
| Acal BFi UK Limited [United Kingdom] | |
| | E002/PA | P-IECQ BSI 05.0002 |  | BSI (United Kingdom) | 2010/11/25 | Cancelled | |
| ADDA Corporation [Taiwan] | |
| | T1002 | M-IECQ ECB 04.0003 | | ECB (United States of America) | 2000/02/23 | Cancelled | |
| Advanced Lithium Electrochemistry Co, Lt... [Taiwan] | |
| | 50600020 ITL | IECQ-L ULTW 14.0001 | | ULTW (TAIWAN ) | 2022/12/26 | Current | |
| Advanced Optoelectronic Technology Inc [Taiwan] | |
| | 20005894 ITL | IECQ-L ULTW 20.0003 | | ULTW (TAIWAN ) | 2025/02/25 | Current | |
| Advanced Semiconductor Engineering, Inc ... [Taiwan] | |
| | 20004520 ITL | IECQ-L ULTW 09.0027 | | ULTW (TAIWAN ) | 2023/09/21 | Current | |
| Advances Semiconductor Engineering, Inc ... [Taiwan] | |
| | 20006742 ITL | IECQ-L ULTW 12.0002 | | ULTW (TAIWAN ) | 2023/07/22 | Current | |
| Amphenol Limited [United Kingdom] | |
| | T3001 IECQ | IECQ-L BSI 11.0002 | | BSI (UNITED KINGDOM) | 2012/11/01 | Cancelled | |
| | M1004 IECQ | M-IECQ BSI 04.0007 | | BSI (United Kingdom) | 2012/05/01 | Cancelled | |
| | E1241/F | Q-IECQ BSI 05.0094 | | BSI (United Kingdom) | 2011/05/26 | Cancelled | |
| | E1240/F | Q-IECQ BSI 05.0065 | | BSI (United Kingdom) | 2005/02/14 | Cancelled | |
| | E1204/F | Q-IECQ BSI 05.0068 | | BSI (United Kingdom) | 2012/03/09 | Cancelled | |
| | 1747/F Issue 6 | Q-IECQ BSI 12.0001 | | BSI (UNITED KINGDOM) | 2012/03/09 | Cancelled | |
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