TSIC Activity
Other technical testing and analysis, not elsewhere classified
ประกอบกิจการอุปกรณ์ที่เกี่ยวข้อง กับเครื่องจักรกล ระบบอัตโนมัติทางอุตสาหกรรม อุปกรณ์อิเล็กทรอนิกส์และระบบทดสอบ การพัฒนา การผลิต และจำหน่ายผลิตภัณฑ์ข้างต้น การบูรณาการระบบหุ้นยนต์ การพัฒนาซอฟต์แวร์ คอม
What this activity covers
Companies conduct technical testing, analysis, and certification of various machinery and equipment performance.
- Technical performance testing — Testing and analysis of machinery, engines, and vehicles
- Certification issuance — Issuing certificates for technical performance
- Radiation emission testing — Testing radiation emissions from welding and other processes
- Failure analysis — Analyzing failures in machinery and equipment
- Model testing — Testing using models of aircraft, ships, and reservoirs
- Police laboratory operations — Conducting tests in police laboratories
What companies here also do
Seen in real company registrations under this code — beyond the official definition, so licensing may differ.
- Technical consulting — Providing consulting services in technical development
- Product testing — Testing and certifying various products
- Electrical circuit inspection — Inspecting and testing electrical circuits and appliances
- Machinery inspection — Inspecting and calibrating machinery
- Gemstone certification — Testing and certifying gemstones and diamonds
Not included here
Industry at a glance
as of 23 ก.ค. 69The whole registered industry under this activity, every registration year, from the DBD DataWarehouse.
net profitrevenue
Foreign investment
new registrations · 2026 YTDForeigners are strongly represented in new investment under this activity.
3 of the 5 largest companies here are foreign-owned Thailand subsidiaries.
New in 2026
registrations, YTD
Registered capital
since year-end
Largest by revenue
Latest filed-year revenue, not a multi-year total
Largest by registered capital
- 1Seaquest Co., Ltd.Bangkok฿277.5M
- 2Battery Testing Center for Electric Vehicles and Electronic Products Co., Ltd.Bangkok฿175.0M
- 3Konecranes Material Handling (Thailand) Co., Ltd.intlPhra Nakhon Si Ayutthaya฿112.0M
Source: Department of Business Development DataWarehouse. Financial figures are combined totals of companies that filed statements; revenue and profit shown for the latest three reporting years.
Companies registered since 2022
Browse allNew DBD registrations under this activity since 2022, the period the registry snapshot covers, not the full historical register.
New registrations per year
Largest active companies by registered capital
- VIRUN HIGH PRECISION TECH MANUFACTURING CO., LTD.Private limited company · นนทบุรี฿600.0M
- NGTC GEMOLOGICAL LABORATORY (THAILAND) CO., LTD.Private limited company · กรุงเทพมหานคร฿23.8M
- บจ.ออนทิค สแตนดาร์ด เทคนิคคอล เซอร์วิส จำกัดPrivate limited company · ชลบุรี฿20.0M
- SIMTECH POWER AUTOMATION TECHNOLOGY (THAILAND) CO., LTD.Private limited company · กรุงเทพมหานคร฿18.0M
- บจ.อี แอนด์ เอ็ม แล็บ จำกัดPrivate limited company · นนทบุรี฿10.0M
- PRIME TESTING CO., LTD.Private limited company · สมุทรปราการ฿10.0M
- GOKU INTERNATIONAL CO., LTD.Private limited company · กรุงเทพมหานคร฿10.0M
- NV GOSHION CO., LTD.Private limited company · กรุงเทพมหานคร฿6.0M
- THAI SUN ECO CO., LTD.Registered ordinary partnership · ชลบุรี฿5.0M
- KXY ELECTRONICS (THAILAND) CO., LTD.Registered ordinary partnership · ฉะเชิงเทรา฿5.0M
- GENEV INTERNATIONAL GEMS LAB (THAILAND) CO., LTD.Private limited company · กรุงเทพมหานคร฿5.0M
- ZIC (THAILAND) CO., LTD.Private limited company · กรุงเทพมหานคร฿5.0M
Source: Department of Business Development (DBD) new-registration records, 2022 to present. Counts cover companies first registered in that window, reflect the latest snapshot load, and may lag the live register.
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