THAILANDSICThailand Standard Industrial Classification

TSIC Activity

28110

Manufacture of engines and turbines, except aircraft, vehicle and cycle engines

ประกอบกิจการค้าปลีก ค้าส่ง นำเข้า และส่งออก ซึ่งเครื่องจักรเติมอากาศ กังหันตีน้ำ มอเตอร์ไฟฟ้า อุปกรณ์ควบคุมระบบไฟฟ้า และอะไหล่ของสินค้าดังกล่าว

What this activity covers

This activity involves manufacturing various types of engines and turbines, excluding those for vehicles and aircraft.

  • Internal combustion engines — Manufacture of piston engines not for vehicles
  • Engine components — Manufacture of pistons, rings, and carburetors
  • Turbines — Manufacture of steam, hydraulic, and gas turbines
  • Turbine parts — Manufacture of parts for turbines, including controllers
  • Turbine sets — Manufacture of turbine-generator sets and steam generator sets

What companies here also do

Seen in real company registrations under this code — beyond the official definition, so licensing may differ.

  • Electric vehicle conversion — Converting combustion engines to electric power
  • Water pumps — Manufacture and maintenance of water pumps

Not included here

  • Manufacture of primary drive generator sets; manufacture of engine-driven generator sets (except turbine generator sets), see subclass 2710.
  • Manufacture of electrical equipment and components for internal combustion engines, see subgroup 2790.
  • Manufacture of engines for motor vehicles, aircraft or motorcycles, see subclasses 2910, 3030 and 3091.
  • Manufacture of jet turbine engines and aircraft turbine engines, see subgroup 3030.

Industry at a glance

as of 23 ก.ค. 69

The whole registered industry under this activity, every registration year, from the DBD DataWarehouse.

45
active companies operate here
฿2.0Bregistered capital, combined
฿7.0B
Sector revenue · 2025
-16% since 2023
฿563.9M
Net profit · 2025
19 profitable
202320242025

net profitrevenue

Foreign investment

new registrations · 2026 YTD
71%of new registered capital is foreign-held
฿5.0M foreign฿2.0M Thai

Based on few new registrations this year — read as a rough signal only.

1 of the 5 largest companies here are foreign-owned Thailand subsidiaries.

New in 2026

3+100.0%

registrations, YTD

Registered capital

฿2.0B-1.6%

since year-end

Largest by revenue

Latest filed-year revenue, not a multi-year total

  1. 1Donaldson (Thailand) Co., Ltd.intl฿2.1B
  2. 2Shenmao Technology (Thailand) Co., Ltd.฿1.9B
  3. 3Siam NDK Co., Ltd.฿1.3B
  4. 4Jeta Back Public Company Limited฿1.1B
  5. 5Ishimitsu Industry (Thailand) Co., Ltd.฿420.3M

Largest by registered capital

  1. 1Trillion Motor Co., Ltd.Bangkok฿850.0M
  2. 2Jeta Back Public Company LimitedBangkok฿240.0M
  3. 3Donaldson (Thailand) Co., Ltd.intlRayong฿152.0M

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 all

New DBD registrations under this activity since 2022, the period the registry snapshot covers, not the full historical register.

8
Registered
since 2022
7
Still active
1
Dissolved
฿4.0M
Median capital
of active

New registrations per year

2022peak 3 in 20232026

Largest active companies by registered capital

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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