| Sicep s.p.a. | 🇮🇹 | 2007-02-11 | 2015-11-17 | 1 |
| Sicert S.r.L. | 🇮🇹 | 2007-04-09 | 2015-11-17 | 1 |
| Sichuan AI-Link Technology Co., Ltd. | 🇨🇳 | 2019-11-27 | 2025-12-19 | 27 |
| Sichuan AI-Link Technology Co., Ltd. | 🇨🇳 | 2018-02-15 | 2023-03-21 | 11 |
| Sichuan Aiyijan Technology Company Ltd. | 🇨🇳 | 2022-01-13 | 2022-01-13 | 1 |
| Sichuan AnSphere Technology Co. Ltd. | 🇨🇳 | 2022-06-15 | 2022-06-15 | 1 |
| 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 |
| Sichuan Changhong Electric Ltd. | 🇨🇳 | 2005-04-07 | 2020-04-03 | 11 |
| Sichuan Changhong Network Technologies Co., Ltd. | 🇨🇳 | 2021-09-03 | 2024-12-18 | 2 |
| Sichuan Dianjia network technology Co.Ltd. | 🇨🇳 | 2016-02-05 | 2016-02-05 | 1 |
| 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 |
| Sichuan Huidian Qiming Intelligent Technology Co.,Ltd | 🇨🇳 | 2023-02-23 | 2023-02-23 | 1 |
| Sichuan iLink Technology Co., Ltd. | 🇨🇳 | 2017-03-29 | 2017-03-29 | 1 |
| Sichuan Jinwangtong Electronic Science&Technology Co,.Ltd | 🇨🇳 | 2010-02-21 | 2015-11-17 | 1 |
| Sichuan Jiuzhou Electronic Technology Co., Ltd. | 🇨🇳 | 2016-08-12 | 2020-12-02 | 3 |
| Sichuan Jiuzhou Electronic Technology Co.,Ltd | 🇨🇳 | 2008-10-25 | 2015-11-17 | 1 |
| Sichuan lookout environment protection technology co.,Ltd | 🇨🇳 | 2022-03-28 | 2022-03-28 | 1 |
| Sichuan Nebula Networks Co.,LTD. | 🇨🇳 | 2018-06-14 | 2018-06-14 | 1 |
| Sichuan Odot Automation System Co.,Ltd. | 🇨🇳 | 2017-07-23 | 2017-07-23 | 1 |
| Sichuan Puhui Zhida Communication Equipment Co. Ltd. | 🇨🇳 | 2024-04-03 | 2024-04-03 | 1 |
| Sichuan Ruiting Zhihui Technology Co., Ltd | 🇨🇳 | 2024-07-30 | 2024-07-30 | 1 |
| Sichuan subao network technology ltd.co. | 🇨🇳 | 2020-11-24 | 2020-11-24 | 1 |
| Sichuan Tianyi Comheart Telecom Co.,LTD | 🇨🇳 | 2013-09-12 | 2025-11-14 | 85 |
| 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 |
| Sichuan ZhikongLingxin Technology Co., Ltd. | 🇨🇳 | 2025-09-09 | 2025-09-09 | 1 |
| Sichuan Zhongguang Lightning Protection Technologies Co., Ltd. | 🇨🇳 | 2023-08-19 | 2023-08-19 | 1 |
| SICK AG | 🇩🇪 | 2001-06-04 | 2015-11-17 | 1 |
| SICOM Systems, Inc. | 🇺🇸 | 2001-02-02 | 2015-11-17 | 1 |
| Sicon srl | 🇮🇹 | 2011-02-21 | 2025-12-03 | 42 |
| Siconix Inc. | 🇨🇦 | 2011-06-05 | 2015-11-17 | 1 |
| SiConnect | 🇬🇧 | 2000-11-09 | 2015-11-17 | 1 |
| SiCortex, Inc | 🇺🇸 | 2005-03-17 | 2015-11-17 | 1 |
| SICPA SA - GSS | 🇨🇭 | 2017-03-08 | 2022-08-16 | 1 |
| SICS Swedish ICT | 🇸🇪 | 2016-09-06 | 2016-09-06 | 1 |
| SID INFORMATICA | 🇧🇷 | 1998-04-22 | 2015-11-17 | 1 |
| Sidora Srl | 🇮🇹 | 2024-02-07 | 2024-02-07 | 1 |
| SIDSA | 🇪🇸 | 2005-03-22 | 2015-11-17 | 1 |
| Sidus Novum Sp. z o. o. | 🇵🇱 | 2016-02-05 | 2016-02-05 | 1 |