| Beijing Bluehalo Internet Inc. | 🇨🇳 | 2017-03-29 | 2017-03-29 | 1 |
| Beijing Bluexon Technology Co.,Ltd | 🇨🇳 | 2007-10-22 | 2015-11-17 | 1 |
| Beijing BOE optoelectronic Technology Co. Ltd | 🇨🇳 | 2025-03-28 | 2025-03-28 | 1 |
| Beijing Boomsense Technology CO.,LTD. | 🇨🇳 | 2010-07-26 | 2015-11-17 | 1 |
| Beijing Boyan-rd Technology Development CO.,LTD | 🇨🇳 | 2021-07-30 | 2021-07-30 | 1 |
| Beijing Broad Telecom Ltd., China | 🇨🇳 | 2000-11-09 | 2015-11-17 | 1 |
| Beijing Broadwit Technology Co., Ltd. | 🇨🇳 | 2018-07-22 | 2018-07-22 | 1 |
| Beijing Bytedance Network Technology Co., Ltd | 🇨🇳 | 2019-11-27 | 2019-11-27 | 1 |
| BEIJING C&W ELECTRONICS(GROUP)CO.,LTD | 🇨🇳 | 2017-09-11 | 2017-09-11 | 1 |
| Beijing C&W Optical Communication Technology Co.,Ltd. | 🇨🇳 | 2011-03-17 | 2015-11-17 | 1 |
| Beijing CarePulse Electronic Technology | 🇨🇳 | 2016-02-05 | 2016-02-05 | 1 |
| Beijing CCD Digital Technology Co., Ltd | 🇨🇳 | 2010-05-10 | 2015-11-17 | 1 |
| Beijing Ceresdata Technology Co., LTD | 🇨🇳 | 2024-08-09 | 2024-08-19 | 2 |
| Beijing Ceresdate Technology Co.,LTD | 🇨🇳 | 2022-09-16 | 2022-09-16 | 1 |
| Beijing Cgprintech Technology Co.,Ltd | 🇨🇳 | 2022-09-20 | 2022-09-20 | 1 |
| Beijing Changkun Technology Co., Ltd. | 🇨🇳 | 2021-07-16 | 2021-07-16 | 1 |
| Beijing Cheering Networks Technology Co., Ltd. | 🇨🇳 | 2023-10-19 | 2023-10-19 | 1 |
| Beijing Cheering Networks Technology Co.,Ltd. | 🇨🇳 | 2024-07-03 | 2024-07-03 | 1 |
| Beijing China Electronics Intelligent Acoustics Technology Co.,Ltd | 🇨🇳 | 2024-10-11 | 2024-10-11 | 1 |
| Beijing CHJ Automotive Co., Ltd. | 🇨🇳 | 2019-04-24 | 2019-04-24 | 1 |
| Beijing Chunhong Technology Co., Ltd. | 🇨🇳 | 2017-08-15 | 2017-08-15 | 1 |
| Beijing Chushang Science and Technology Co.,Ltd | 🇨🇳 | 2017-02-21 | 2017-02-21 | 1 |
| Beijing Cloud Fly Technology Development Co.Ltd | 🇨🇳 | 2018-06-14 | 2018-06-14 | 1 |
| BEIJING CO-CLOUD TECHNOLOGY LTD. | 🇨🇳 | 2016-03-01 | 2016-03-01 | 1 |
| Beijing Coilabs technology co.,ltd | 🇨🇳 | 2016-02-05 | 2016-02-05 | 1 |
| Beijing Congyun Technology Co.,Ltd | 🇨🇳 | 2023-09-20 | 2023-09-20 | 1 |
| Beijing Connected Information Technology Co.,Ltd. | 🇨🇳 | 2016-02-05 | 2016-02-05 | 1 |
| Beijing CONvision Technology Co.,Ltd | 🇨🇳 | 2014-11-04 | 2016-02-18 | 1 |
| BEIJING COOLSHARK TECHNOLOGY CO.,LTD. | 🇨🇳 | 2024-05-20 | 2024-05-20 | 1 |
| Beijing Core Shield Group Co., Ltd. | 🇨🇳 | 2019-05-03 | 2019-05-03 | 1 |
| Beijing Corelogic Communication Co., Ltd. | 🇨🇳 | 2011-02-21 | 2015-08-29 | 1 |
| Beijing Cotytech Technology Co.,LTD. | 🇨🇳 | 2020-08-06 | 2020-08-06 | 1 |
| Beijing Ctimes Digital Technology Co., Ltd. | 🇨🇳 | 2010-11-24 | 2015-11-17 | 1 |
| BEIJING CUNYIN CHENGQI TECHNOLOGY CO., LTD. | 🇨🇳 | 2024-02-29 | 2025-03-11 | 4 |
| Beijing Cyber Cloud Technology Co. ,Ltd. | 🇨🇳 | 2012-01-19 | 2015-11-17 | 1 |
| Beijing Cybercore | 🇨🇳 | 2022-04-05 | 2022-04-05 | 1 |
| Beijing D&S Fieldbus Technology co.,Ltd | 🇨🇳 | 2024-08-23 | 2024-08-23 | 1 |
| Beijing DamingWuzhou Science&Technology Co., Ltd. | 🇨🇳 | 2016-10-11 | 2016-10-11 | 1 |
| Beijing Daotongtianxia Co.Ltd. | 🇨🇳 | 2016-02-05 | 2016-02-05 | 1 |
| Beijing Daswell Science and Technology Co.LTD | 🇨🇳 | 2018-04-05 | 2018-04-05 | 1 |
| Beijing Dayu Technology Co., Ltd. | 🇨🇳 | 2020-09-17 | 2020-09-17 | 1 |
| Beijing Deephi Intelligent Technology Co., Ltd | 🇨🇳 | 2018-03-02 | 2018-03-02 | 1 |
| Beijing Detianquan Electromechanical Equipment Co., Ltd | 🇨🇳 | 2008-10-25 | 2015-11-17 | 1 |
| Beijing DG Telecommunications equipment Co.,Ltd | 🇨🇳 | 2007-01-26 | 2015-11-17 | 1 |
| Beijing Digital China Yunke Technology Limited | 🇨🇳 | 2022-08-25 | 2022-08-25 | 1 |
| Beijing Ding Qing Technology, Ltd. | 🇨🇳 | 2011-05-07 | 2015-11-17 | 1 |
| Beijing Donghua Hongtai Polytron Technologies Inc | 🇨🇳 | 2018-07-22 | 2018-07-22 | 1 |
| BEIJING DONGJIN AERO-TECH CO., LTD | 🇨🇳 | 2016-02-05 | 2016-02-05 | 1 |
| Beijing DoSee Science and Technology Co., Ltd. | 🇨🇳 | 2019-08-24 | 2019-08-24 | 1 |
| Beijing Dragon Resources Limited. | 🇨🇳 | 2018-02-15 | 2018-02-15 | 1 |
