| Qingdao CNR HITACH Railway Signal&communication co.,ltd | 🇨🇳 | 2018-10-24 | 2018-10-24 | 1 |
| Qingdao Dayu Dance Digital Technology Co.,Ltd | 🇨🇳 | 2023-07-03 | 2023-07-03 | 1 |
| Qingdao Eastsoft Communication Technology Co.,LTD | 🇨🇳 | 2015-11-17 | 2015-11-17 | 1 |
| Qingdao Geesatcom Technology Co., Ltd | 🇨🇳 | 2022-09-28 | 2022-09-28 | 1 |
| Qingdao Goertek Horizons Tecnology Co.,LTD | 🇨🇳 | 2024-10-18 | 2024-12-03 | 2 |
| Qingdao Goertek Intelligent Sensor Co.,Ltd | 🇨🇳 | 2024-03-12 | 2024-03-12 | 1 |
| Qingdao GoerTek Technology Co., Ltd. | 🇨🇳 | 2005-02-06 | 2018-02-15 | 2 |
| Qingdao Haier Intelligent Home Appliance Technology Co.,Ltd | 🇨🇳 | 2017-09-22 | 2017-09-22 | 1 |
| Qingdao Haier Multimedia Limited. | 🇨🇳 | 2018-10-27 | 2018-10-27 | 1 |
| Qingdao Haier Technology Co.,Ltd | 🇨🇳 | 2017-12-28 | 2024-12-24 | 17 |
| Qingdao Haitian Weiye Automation Control System Co., Ltd | 🇨🇳 | 2014-11-04 | 2016-02-18 | 1 |
| Qingdao Hi-image Technologies Co., Ltd | 🇨🇳 | 2024-03-29 | 2024-03-29 | 1 |
| QingDao Hiphone Technology Co,.Ltd | 🇨🇳 | 2008-01-07 | 2015-11-17 | 1 |
| Qingdao Hisense Communications Co.,Ltd. | 🇨🇳 | 2012-03-01 | 2023-10-19 | 13 |
| Qingdao Hisense Electronics Co.,Ltd. | 🇨🇳 | 2018-06-29 | 2019-07-03 | 2 |
| Qingdao Hisense Hitachi Air-conditioning Systems Co.,Ltd. | 🇨🇳 | 2021-07-08 | 2021-07-08 | 1 |
| Qingdao Hisense Mobile Communication Technology Co,Ltd | 🇨🇳 | 2017-12-11 | 2017-12-11 | 1 |
| Qingdao Hisense Smart Life Technology Co., Ltd | 🇨🇳 | 2022-10-19 | 2022-10-19 | 1 |
| Qingdao iGuan Technology Co., Ltd. | 🇨🇳 | 2018-07-22 | 2018-07-22 | 1 |
| Qingdao Intelligent&Precise Electronics Co.,Ltd. | 🇨🇳 | 2018-07-22 | 2025-01-22 | 16 |
| Qingdao iTechene Technologies Co., Ltd. | 🇨🇳 | 2019-12-11 | 2019-12-11 | 1 |
| Qingdao Maotran Electronics co., ltd | 🇨🇳 | 2020-01-11 | 2020-01-11 | 1 |
| Qingdao Santong Digital Technology Co.Ltd | 🇨🇳 | 2012-06-14 | 2015-11-17 | 1 |
| QINGDAO TOPSCOMM COMMUNICATION CO., LTD | 🇨🇳 | 2017-03-29 | 2017-03-29 | 1 |
| Qingdao Unovo Technologies Co., Ltd | 🇨🇳 | 2022-09-15 | 2022-09-15 | 1 |
| Qingdao Vzense Technology Co., Ltd. | 🇨🇳 | 2022-07-16 | 2022-07-16 | 1 |
| Qingdao Wintec System Co., Ltd | 🇨🇳 | 2018-12-28 | 2018-12-28 | 1 |
| Qingdao Wodatong Electronics Co., Ltd. | 🇨🇳 | 2017-01-07 | 2017-01-07 | 1 |
| Qingdao Xijiao Ruihang Rail Equipment Co., Ltd. | 🇨🇳 | 2024-08-27 | 2024-08-27 | 1 |
| Qingdao Yuze lntelligent Technology Co.,Ltd | 🇨🇳 | 2023-11-17 | 2023-11-17 | 1 |
| Qinghai Kimascend Electronics Technology Co. Ltd. | 🇨🇳 | 2015-11-17 | 2015-11-17 | 1 |
| Qingping Electronics (Suzhou) Co., Ltd | 🇨🇳 | 2018-06-02 | 2018-06-02 | 1 |
| Qingping Technology (Beijing) Co., Ltd. | 🇨🇳 | 2017-03-29 | 2017-03-29 | 1 |
| Qisda Corporation | 🇹🇼 | 2000-11-09 | 2025-03-08 | 8 |
| QIT Co., Ltd. | 🇰🇷 | 2020-11-10 | 2020-11-10 | 1 |
| Qivivo | 🇫🇷 | 2016-02-05 | 2016-02-05 | 1 |
| QKM Technology(Dongguan)Co.,Ltd | 🇨🇳 | 2019-04-12 | 2019-04-12 | 1 |
| Qlinx Technologies | 🇺🇸 | 2020-08-29 | 2020-08-29 | 1 |
| QLM Technology Ltd | 🇬🇧 | 2021-04-20 | 2021-04-20 | 1 |
| QLogic Corporation | 🇺🇸 | 1998-04-22 | 2016-04-11 | 6 |
| QLove Mobile Intelligence Information Technology (W.H.) Co. Ltd. | 🇨🇳 | 2015-11-17 | 2015-11-17 | 1 |
| QNAP Systems, Inc. | 🇹🇼 | 2011-09-24 | 2015-12-03 | 2 |
| QNE GmbH & Co. KG | 🇩🇪 | 2011-02-21 | 2015-08-29 | 1 |
| Qniq Technology Corp. | 🇹🇼 | 2007-06-16 | 2015-11-17 | 1 |
| QNIX COMPUTER CO., LTD. | 🇰🇷 | 2000-11-09 | 2015-11-17 | 1 |
| Qno Technology Inc. | 🇹🇼 | 2006-01-14 | 2015-11-17 | 1 |
| Qntra Technology | 🇧🇬 | 2018-12-16 | 2018-12-16 | 1 |
| Qolsys Inc. | 🇺🇸 | 2015-11-17 | 2015-11-17 | 1 |
| Qool Technologies Ltd. | 🇯🇵 | 2008-10-25 | 2015-11-17 | 1 |
| Qorvo | 🇸🇬 | 2018-02-11 | 2018-02-11 | 1 |