THAILANDSICThailand Standard Industrial Classification

TSIC Activity

25130

Manufacture of steam generators, except central heating hot water boilers

ประกอบกิจการผลิต หรือจำหน่าย หรือรับจ้าง ประกอบ ติตตั้ง ปรับปรุง ระบบผลิตน้ำร้อน ท่อน้ำร้อน ถังน้ำร้อน เครื่องผลิตน้ำร้อน ระบบท่อไอน้ำ ระบบควบคุมและส่วนประกอบอื่นๆ ของระบบ

What this activity covers

This activity involves the manufacture of steam generators and associated machinery.

  • Steam generators — Production of steam or vapor generators
  • Steam machinery — Machinery used with steam generators
  • Condensers — Manufacture of condensers for steam systems
  • Waste heat water heaters — Production of heaters using waste heat
  • Superheaters — Manufacture of superheaters for steam
  • Steam collectors — Production of devices for collecting steam
  • Nuclear reactors — Manufacture of nuclear reactors, excluding isotope separators

What companies here also do

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

  • Installation services — Contracting for installation of steam systems
  • System improvements — Improving hot water systems and related equipment

Not included here

  • Manufacture of central heating radiators and cooling equipment, see subclass 2512.
  • Manufacture of turbine sets for steam generators, see subclass 2811.
  • Manufacture of isotope separators, see subclass 2829.

Industry at a glance

as of 23 ก.ค. 69

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

26
active companies operate here
฿533.8Mregistered capital, combined

New in 2026

0-100.0%

registrations, YTD

Registered capital

฿533.8M+0.5%

since year-end

Largest by revenue

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

  1. 1Sumitomo SHI FW Service (Thailand) Co., Ltd.฿927.9M
  2. 2Diamond Power Services S.E.A. Co., Ltd.฿174.8M
  3. 3Innovation Idea Co., Ltd.฿141.6M
  4. 4Thai K. Boiler Co., Ltd.฿129.3M
  5. 5Thai Hirakawa Co., Ltd.฿127.3M

Largest by registered capital

  1. 1Master Achip (Thailand) Co., Ltd.intlBangkok฿180.0M
  2. 2Thai K. Boiler Co., Ltd.Samut Sakhon฿87.6M
  3. 3PEC ESCO Co., Ltd.Phra Nakhon Si Ayutthaya฿50.0M

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.

2
Registered
since 2022
2
Still active
0
Dissolved
฿1.0M
Median capital
of active

New registrations per year

2023peak 1 in 20232025

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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