TSIC Activity

33141

Repair of electric motors, generators, transformers and electricity distribution and control apparatus

ประกอบกิจการผลิต จำหน่าย ติดตั้ง และซ่อมบำรุงอุปกรณ์ไฟฟ้าอุตสาหกรรม ได้แก่เครื่องแปลงความถี่แรง ตู้ควบคุมไฟฟ้า ตู้จ่ายไฟ และตู้ระบบอัตโนมัติ ระบบควบคุมอัตโนมัติอุตสาหกรรม มอเตอร์ไฟฟ้าและการจำหน่ายพร้อ

What this activity covers

Companies in this sector focus on the repair and maintenance of electric motors, generators, transformers, and related control equipment.

  • Electric motors repair — Repair and maintenance of electric motors
  • Generator services — Repair and maintenance of generators and generator sets
  • Transformer maintenance — Repair and maintenance of power and distribution transformers
  • Switchgear repair — Repair and maintenance of switchgear and switchboards
  • Control equipment repair — Repair and maintenance of relays and industrial control equipment

What companies here also do

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

  • Machinery motor repair — Repair services for various types of machinery motors
  • Electric vehicle repair — Repair services for electric vehicles
  • Industrial equipment maintenance — Manufacture and maintenance of industrial electrical equipment
  • Generator rental services — Repair, sales, and rental services for generators
  • Solar power maintenance — Operate and maintain solar power plants and batteries

Industry at a glance

as of 23 ก.ค. 69

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

454
active companies operate here
฿1.5Bregistered capital, combined
฿6.4B
Sector revenue · 2025
+2% since 2023
฿412.5M
Net profit · 2025
263 profitable
202320242025

net profitrevenue

Foreign investment

new registrations · 2026 YTD
42%of new registered capital is foreign-held
฿25.0M foreign฿34.2M Thai

Foreigners are strongly represented in new investment under this activity.

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

New in 2026

27+170.0%

registrations, YTD

Registered capital

฿1.5B-3.1%

since year-end

Largest by revenue

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

  1. 1Ethos Energy (Thailand) Co., Ltd.intl฿1.1B
  2. 2Chubu Ratchaburi Electric Service Co., Ltd.฿505.2M
  3. 3U-Services (Thailand) Co., Ltd.intl฿491.7M
  4. 4MARC (Thailand) Co., Ltd.฿384.3M
  5. 5Pluto Tech Co., Ltd.฿355.2M

Largest by registered capital

  1. 1C.C.M. Supplies and Service Co., Ltd.Samut Prakan฿250.0M
  2. 2U-Services (Thailand) Co., Ltd.intlRayong฿100.0M
  3. 3Turbine Services (Thailand) Co., Ltd.intlPathum Thani฿68.0M

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.

99
Registered
since 2022
95
Still active
4
Dissolved
฿1.0M
Median capital
of active

New registrations per year

2022peak 26 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.

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