TSIC Activity

27330

Manufacture of wiring devices

ประกอบกิจการผลิตกล่องสายไฟ

What this activity covers

This activity involves the manufacture of electrical wiring devices for circuit wiring, using various materials.

  • Electrical wiring devices — Manufacture of devices for wiring circuits
  • Busbars and conductors — Production of busbars and conductors (not switchgear type)
  • Ground fault circuit interrupters — Manufacture of GFCI devices
  • Lampholders — Production of lampholders for lighting
  • Switches — Manufacture of various types of switches
  • Sockets and receptacles — Production of sockets and receptacles for electrical connections
  • Wiring boxes — Manufacture of junction boxes and switch boxes

What companies here also do

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

  • Electrical cabinets — Manufacture of electrical cabinets and related equipment
  • Cable trays — Production and sale of cable trays
  • Electrical systems — Production of comprehensive electrical systems
  • Electrical appliance parts — Manufacture of parts for electrical appliances

Not included here

  • Manufacture of ceramic insulating cups, see subclass 2393.
  • Manufacture of electrically conductive connectors for use in electronic circuits, such as connectors, sockets and switches, see subclass 2610.

Industry at a glance

as of 23 ก.ค. 69

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

122
active companies operate here
฿4.3Bregistered capital, combined
฿14.7B
Sector revenue · 2025
+4% since 2023
฿445.7M
Net profit · 2025
73 profitable
202320242025

net profitrevenue

Foreign investment

new registrations · 2026 YTD
54%of new registered capital is foreign-held
฿5.0M foreign฿4.3M Thai

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

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

New in 2026

3+0.0%

registrations, YTD

Registered capital

฿4.3B-37.0%

since year-end

Largest by registered capital

  1. 1SCI Electric Public Company LimitedSamut Prakan฿750.0M
  2. 2EL Group (Thailand) Co., Ltd.intlChon Buri฿500.0M
  3. 3TIGERFLEX (THAILAND) CO., LTD.Rayong฿325.0M

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.

19
Registered
since 2022
19
Still active
0
Dissolved
฿2.1M
Median capital
of active

New registrations per year

2022peak 8 in 20242026

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.

Emerhub

Setting up in Thailand?

Emerhub incorporates companies in Thailand for foreign founders: entity setup, licensing, visas and work permits, accounting. Flat process, no surprises.

Talk to Emerhub Thailand