| SAMSUNG ELECTRO-MECHANICS(THAILAND) | 28 | 470 million | 18 Oct 2013 |
| T3 Technology Co., Ltd. | 2 | 33.6 million | 18 Sep 2020 |
| AKCP | 1 | 16.8 million | 3 Dec 2002 |
| Argard Co., Ltd | 1 | 16.8 million | 13 Jun 2006 |
| Benchmark Electronics ( Thailand ) Public Company Limited | 1 | 16.8 million | 8 Oct 2008 |
| Bluechips Microhouse Co.,Ltd. | 1 | 16.8 million | 8 Apr 2006 |
| CYBO CO.,LTD. | 1 | 16.8 million | 26 Jul 2014 |
| EmOne (Thailand) Co.,Ltd. | 1 | 16.8 million | 16 Jun 2022 |
| Forth Corporation Public Company Limited | 1 | 16.8 million | 29 May 2007 |
| Four systems Co.,Ltd. | 1 | 16.8 million | 12 Sep 2014 |
| Hanwha NxMD (Thailand) Co., Ltd. | 1 | 16.8 million | 2 Jul 2024 |
| Leading Public Performance Co., Ltd. | 1 | 16.8 million | 6 Jan 2015 |
| LN Srithai Comm Ltd. | 1 | 16.8 million | 29 Nov 2006 |
| Loxley Public Company Limited | 1 | 16.8 million | 6 Aug 2014 |
| NECTEC | 1 | 16.8 million | 22 Apr 1998 |
| Panasonic Automotive Systems Asia Pacific(Thailand)Co.,Ltd. | 1 | 16.8 million | 10 Oct 2013 |
| Phonik Innovation Co.,LTD | 1 | 16.8 million | 31 Dec 2007 |
| PRESITION (2000) CO., LTD. | 1 | 16.8 million | 17 Jun 2014 |
| Pro Concept Manufacturer Co.,Ltd. | 1 | 16.8 million | 11 Jul 2014 |
| PROVISION THAI CO., LTD. | 1 | 16.8 million | 3 Jul 2014 |
| Saijo Denki International Co., Ltd. | 1 | 16.8 million | 21 Jan 2015 |
| SC Professional Trading Co., Ltd. | 1 | 16.8 million | 9 Aug 2014 |
| Seagate Technology Thailand Ltd. | 1 | 16.8 million | 8 Jul 2022 |
| Shin Satellite Public Company Limited | 1 | 16.8 million | 24 Oct 2001 |
| SONAR INDUSTRIAL CO., LTD. | 1 | 16.8 million | 26 Jul 2014 |
| SP Best Corporation Co., LTD. | 1 | 16.8 million | 6 Dec 2014 |
| Step forward Group Co., Ltd. | 1 | 16.8 million | 15 Jul 2014 |
| Team Precision Public Company Limited | 1 | 16.8 million | 28 May 2017 |
| Thai Habel Industrial Co., Ltd. | 1 | 16.8 million | 20 Aug 2015 |
| Thai Radio Co, LTD | 1 | 16.8 million | 18 Jun 2008 |
| Treeview Co.,Ltd. | 1 | 16.8 million | 9 Feb 2016 |
| UCI Corporation Co.,Ltd. | 1 | 16.8 million | 21 Jun 2014 |
| V.P.S. Thai Co., Ltd | 1 | 16.8 million | 15 Jul 2014 |
| Lumentum | 2 | 1.1 million | 13 Jun 2023 |
| Wisnu and Supak Co.,Ltd. | 2 | 1.1 million | 30 Jul 2008 |
| ARTECH SOLUTION CO.,LTD | 1 | 1 million | 16 Oct 2015 |
| Infinite X Co., Ltd. | 1 | 1 million | 8 Aug 2025 |
| IPM Sales and service Co.,Ltd. | 1 | 1 million | 16 Oct 2015 |
| EtherLight | 1 | 4.1 thousand | 3 Apr 2011 |
| Technical Panels Co. Ltd. | 1 | 4.1 thousand | 10 Apr 2016 |
| Zulex International Co.,Ltd. | 1 | 4.1 thousand | 13 Jul 2014 |