| Manufacturer | CB Certificate No. | IECQ Certificate No. | | CB/NAI | Issue Date | Status | |
a | |
| A P E M [France] | |
| AB Connectors Limited [United Kingdom] | |
| ABC Taiwan Electronics Corp [Taiwan] | |
| Abtest Limited [United Kingdom] | |
| Acal BFi UK Limited [United Kingdom] | |
| ADDA Corporation [Taiwan] | |
| Advanced Lithium Electrochemistry Co, Lt... [Taiwan] | |
| Advanced Optoelectronic Technology Inc [Taiwan] | |
| Advanced Semiconductor Engineering, Inc ... [Taiwan] | |
| Advances Semiconductor Engineering, Inc ... [Taiwan] | |
| Amphenol Limited [United Kingdom] | |
| ANAMIZU ELECTRONICS IND CO LTD [Japan] | |
| ANHUI TONGFENG ELECTRONICS CO, LTD [China] | |
| APEM [France] | |
| API Microelectronics Limited [United Kingdom] | |
| | T3006 IECQ | IECQ-L BSI 09.0001 | | BSI (UNITED KINGDOM) | 2021/04/12 | Cancelled | |
| Arcotronics Limited [United Kingdom] | |
| Ardentec Corporation [Taiwan] | |
| Aristotle Enterprises Inc [Taiwan] | |
| Artetch Circuits Limited [United Kingdom] | |
| Astra Circuits Limited [United Kingdom] | |
| AT4 WIRELESS [Spain] | |
| ATMEL ROUSSET [France] | |
| Atotech Taiwan Limited, Advanced Technol... [Taiwan] | |
| Atotech Taiwan Limited, Chemical Analysi... [Taiwan] | |
| ATP Electronics Taiwan Inc Reliability T... [Taiwan] | |
| AU Optronics Corp [Taiwan] | |
| austriamicrosystems AG [Austria] | |
| Avnet EMG [United Kingdom] | |
| AVX Czech Republic SRO [Czech Republic] | |
| AVX Limited, Coleraine [United Kingdom] | |
| AVX Limited, Tantalum Division [United Kingdom] | |
| AZEGO AG [Germany] | |
| AZEGO Components AG [Germany] | |
| AZNIUM [France] | |
b | |
c | |
d | |
e | |
f | |
g | |
h | |
i | |
j | |
k | |
l | |
m | |
n | |
o | |
p | |
q | |
r | |
s | |
t | |
u | |
v | |
w | |
x | |
y | |
z | |