| IECQ Certificate Number | | Company | Country / location | Status | | |
2024 | 14 | |
2023 | 54 | |
| IECQ-P BSI 22.0001 | | Micross Components Ltd | United Kingdom | Current | | |
| IECQ-P BSI 14.0016 | | Express Circuits Limited | United Kingdom | Current | | |
| IECQ-P BSI 14.0014 | | Souriau Sarthe | France | Current | | |
| IECQ-P BSI 14.0014-01 | | SOURIAU Morocco | Morocco | Current | | |
| IECQ-P BSI 14.0013 | | TTI Inc | Germany | Current | | |
| IECQ-P BSI 14.0013-03 | | TTI Inc | United Kingdom | Current | | |
| IECQ-P BSI 14.0012 | | Welwyn Components Ltd. | United Kingdom | Current | | |
| IECQ-P BSI 13.0010 | | Charcroft Electronics Ltd | United Kingdom | Current | | |
| IECQ-P BSI 13.0009 | | Knowles (UK) Ltd | United Kingdom | Current | | |
| IECQ-P BSI 13.0009-01 | | Knowles Electronics (Suzhou) C... | China | Current | | |
| IECQ-P BSI 13.0009-02 | | Knowles Distribution Sdn Bhd | Malaysia | Current | | |
| IECQ-P BSI 13.0009-03 | | Gusu Electronics (Suzhou) Co.,... | China | Current | | |
| IECQ-P CEP 18.0006 | | CHINA ZHENHUA (GROUP) XINYUN E... | China | Current | | |
| IECQ-P CEP 18.0004 | | FOSHAN SHUNDE NEWTECH ELECTRON... | China | Current | | |
| IECQ-P CRR 24.0001 | | Joint Stock Company "Ruspolyme... | Russian Federation | Current | | |
| IECQ-P CRR 24.0001-01 | | Joint Stock Company "Ruspolyme... | Russian Federation | Current | | |
| IECQ-P CRR 23.0001 | | TITAN2 IC İÇTAŞ İNŞAAT ANONİM ... | Turkey | Current | | |
| IECQ-P CRR 23.0001-01 | | Joint Stock Company «TITAN2 IC... | Russian Federation | Current | | |
| IECQ-P LCIE 14.0002 | | LEACH INTERNATIONAL EUROPE S.A... | France | Current | | |
| IECQ-P LCIE 13.0005 | | APEM | France | Current | | |
| IECQ-P LCIE 13.0004 | | KYOCERA AVX Components (Saint-... | France | Current | | |
| IECQ-P NQAGB 23.0009 | | Suma Information Industry Co.,... | China | Current | | |
| IECQ-P NQAGB 23.0008 | | Goertek Optical Technology Co.... | China | Current | | |
| IECQ-P NQAGB 23.0007 | | Rongcheng Goertek Technology C... | China | Current | | |
| IECQ-P NQAGB 23.0006 | | Zhejiang Keboda Industry Corp. | China | Current | | |
| IECQ-P NQAGB 23.0005 | | Jinan Richens Electronic Co., ... | China | Current | | |
| IECQ-P NQAGB 23.0004 | | WHST Co., Ltd. | China | Current | | |
| IECQ-P NQAGB 23.0003 | | Shenzhen Phoenix Telecom Techn... | China | Current | | |
| IECQ-P NQAGB 23.0003-01 | | Shenzhen Phoenix Telecom Techn... | China | Current | | |
| IECQ-P NQAGB 23.0003-02 | | Shenzhen Phoenix Telecom Techn... | China | Current | | |
| IECQ-P NQAGB 23.0002 | | Zhejiang Mingzhen Electric & E... | China | Current | | |
| IECQ-P NQAGB 22.0002 | | Chongqing Rebo Lighting & Elec... | China | Cancelled | | |
| IECQ-P NQAGB 22.0001 | | Zhejiang EV-Tech Co., Ltd. | China | Current | | |
| IECQ-P NQAGB 21.0005 | | Weifang Jingwei High-Tech Elec... | China | Current | | |
| IECQ-P NQAGB 21.0004 | | Ameya Holding Limited (Anhui L... | China | Current | | |
| IECQ-P NQAGB 21.0002 | | Rongcheng Goertek Microelectro... | China | Current | | |
| IECQ-P NQAGB 20.0005 | | Weifang Goertek Microelectroni... | China | Current | | |
| IECQ-P NQAGB 20.0004 | | GOERTEK MICROELECTRONICS INC. | China | Current | | |
| IECQ-P NQAGB 20.0001 | | Finisar Wuxi, Inc. | China | Current | | |
| IECQ-P NQAGB 19.0003 | | KEBODA TECHNOLOGY CO., LTD. | China | Current | | |
| IECQ-P NQAGB 18.0004 | | Goertek Inc. | China | Current | | |
| IECQ-P NQAGB 18.0004-02 | | Goertek Inc. | China | Current | | |
| IECQ-P NQAGB 18.0004-04 | | Weifang Goertek Electronics Co... | China | Current | | |
| IECQ-P NQAGB 18.0004-06 | | Weifang Goertek Electronics Co... | China | Current | | |
| IECQ-P ULTW 14.0001 | | Hold Key Electric Wire and Cab... | Taiwan | Current | | |
| IECQ-P ULTW 12.0008 | | YFC-BonEagle Electric Co., Ltd... | Taiwan | Current | | |
| IECQ-P ULTW 12.0005 | | Conquer Electronics Co., Ltd. | Taiwan | Current | | |
| IECQ-P ULTW 11.0006 | | Tai Hong Circuit Industrial Co... | Taiwan | Current | | |
| IECQ-P VDE 18.0011 | | VISHAY BCcomponents Beyschlag ... | Germany | Current | | |
| IECQ-P VDE 18.0010 | | VISHAY BCcomponents Beyschlag ... | Czech Republic | Current | | |
| IECQ-P VDE 18.0003 | | VISHAY BCcomponents Beyschlag ... | Israel | Current | | |
| IECQ-P VDE 18.0002 | | VISHAY BCcomponents Beyschlag ... | Israel | Current | | |
| IECQ-P VDE 18.0001 | | VISHAY ELECTRONIC GmbH; Dralor... | Germany | Current | | |
| IECQ-P VDE 18.0001-01 | | VISHAY Electronic Spol.s.r.o.,... | Czech Republic | Current | | |
2022 | 39 | |
2021 | 24 | |
2020 | 9 | |
2019 | 15 | |
2018 | 22 | |
2017 | 11 | |
2016 | 6 | |
2015 | 15 | |
2014 | 9 | |
2013 | 11 | |
2012 | 9 | |
2011 | 1 | |
| 239 | |