THAILANDSICThailand Standard Industrial Classification

TSIC Activity

27103

Manufacture of electricity distribution and control apparatus

ประกอบกิจการรับเหมาวางแผน จัดทำ ติดตั้ง ระบบไฟฟ้าสำหรับอาคารพาณิชย์ อาคารที่พักอาศัย สถานที่ทำการ โรงงาน และสิ่งปลูกสร้างอย่างอื่นทุกชนิด

What this activity covers

This activity involves manufacturing equipment for electrical distribution and control systems.

  • Voltage distribution equipment — Manufacture of equipment for voltage distribution
  • Switchgear and switchboards — Manufacture of switchgear and switchboard equipment
  • Relays and control equipment — Manufacture of relays and industrial control equipment
  • Circuit breakers — Manufacture of circuit breakers
  • Voltage regulators — Manufacture of voltage regulators for distribution
  • Control panels — Manufacture of electrical distribution control panels
  • Fuses and switches — Manufacture of fuses and switching equipment

What companies here also do

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

  • Electrical system design — Planning and installation of electrical systems
  • Production of electronic components — Manufacture of electronic circuit boards and components
  • Sales of electrical products — Selling various electrical components and products

Not included here

  • Manufacture of environmental control devices and industrial process control devices, see subgroup 2651
  • Manufacture of switches for electrical circuits, such as pushbutton switches and snap switches. See activity 27330.
  • Manufacturing of inverters, rectifiers, solid-state converters. View 27909 activities.

Industry at a glance

as of 23 ก.ค. 69

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

327
active companies operate here
฿24.1Bregistered capital, combined
฿258.4B
Sector revenue · 2025
+6% since 2023
฿27.4B
Net profit · 2025
159 profitable
202320242025

net profitrevenue

Foreign investment

new registrations · 2026 YTD
60%of new registered capital is foreign-held
฿66.5M foreign฿44.1M Thai

Foreigners are strongly represented in new investment under this activity.

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

New in 2026

23+4.5%

registrations, YTD

Registered capital

฿24.1B+29.2%

since year-end

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.

106
Registered
since 2022
104
Still active
2
Dissolved
฿2.0M
Median capital
of active

New registrations per year

2022peak 25 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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