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| Sichuan Bihong Broadcast & Television New Technologies Co.,Ltd | 🇨🇳 | 2013-05-02 | 2015-11-17 | 1 |
| Sichuan C.H Control Technology Co., Ltd. | 🇨🇳 | 2020-05-20 | 2020-05-20 | 1 |
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| Sichuan Changhong Network Technologies Co., Ltd. | 🇨🇳 | 2021-09-03 | 2024-12-18 | 2 |
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| Sichuan Dowlab Electronics Technology Co. Ltd | 🇨🇳 | 2016-02-05 | 2016-02-05 | 1 |
| Sichuan Fanyi Technology Co. Ltd. | 🇨🇳 | 2022-03-29 | 2022-03-29 | 1 |
| Sichuan Gengyuan Technology Co.,Ltd | 🇨🇳 | 2024-06-25 | 2024-06-25 | 1 |
| Sichuan GFS Information Technology Co.Ltd | 🇨🇳 | 2023-04-24 | 2023-04-24 | 1 |
| Sichuan Haige Actec Communication Technology Co.,Ltd. | 🇨🇳 | 2016-02-05 | 2016-02-05 | 1 |
| SICHUAN HUACUN ZHIGU TECHNOLOGY CO.,LTD | 🇨🇳 | 2024-08-13 | 2024-08-13 | 1 |
| SICHUAN HUAKUN ZHENYU INTELLIGENT TECHNOLOGY CO.,LTD | 🇨🇳 | 2025-04-30 | 2025-04-30 | 1 |
| Sichuan Huakun Zhenyu Intelligent Technology Co., Ltd | 🇨🇳 | 2022-10-13 | 2022-10-13 | 1 |
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| Sichuan Tianyi Comheart Telecom Co.,LTD | 🇨🇳 | 2013-09-12 | 2026-05-04 | 89 |
| Sichuan Tianyi Information Science & Technology Stock CO.,LTD | 🇺🇸 | 2008-10-25 | 2015-11-17 | 1 |
| Sichuan tianyi kanghe communications co., LTD | 🇨🇳 | 2019-01-29 | 2019-03-25 | 5 |
| Sichuan Whayer information industry Co.,LTD | 🇨🇳 | 2013-01-09 | 2015-11-17 | 1 |
| Sichuan Xutai communication equipment Co., LTD | 🇨🇳 | 2024-08-23 | 2024-08-23 | 1 |
| Sichuan Youke Communication Technology Co., Ltd | 🇨🇳 | 2025-01-17 | 2025-01-17 | 1 |
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| Sichuan Zhongguang Lightning Protection Technologies Co., Ltd. | 🇨🇳 | 2023-08-19 | 2023-08-19 | 1 |
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| SICOM Systems, Inc. | 🇺🇸 | 2001-02-02 | 2015-11-17 | 1 |
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| Siconix Inc. | 🇨🇦 | 2011-06-05 | 2015-11-17 | 1 |
| SiConnect | 🇬🇧 | 2000-11-09 | 2015-11-17 | 1 |
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| Sidora Srl | 🇮🇹 | 2024-02-07 | 2024-02-07 | 1 |
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| Sidus Novum Sp. z o. o. | 🇵🇱 | 2016-02-05 | 2016-02-05 | 1 |
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| SIEB & MEYER AG | 🇩🇪 | 2000-11-09 | 2015-11-17 | 1 |
| Sieb & Meyer AG | 🇩🇪 | 2019-08-09 | 2019-08-09 | 1 |