TSIC Activity

33121

Repair of general-purpose machinery

ประกอบกิจการ บริการรับติดตั้ง ซ่อมแซม บำรุงรักษาเครื่องปรับอากาศ ระบบความเย็น

What this activity covers

Companies in this sector repair and maintain various types of general-purpose machinery and equipment.

  • Engine Repair — Repair of non-vehicle engines, including marine and railway engines
  • Pump Maintenance — Repair and maintenance of pumps and similar equipment
  • Valves and Gears — Repair of valves, gears, and drives
  • Industrial Furnaces — Repair and maintenance of industrial furnaces
  • Handling Equipment — Repair and maintenance of handling equipment
  • Commercial Refrigeration — Repair and maintenance of commercial refrigeration units
  • Office Equipment Repair — Repair of photocopiers, cash registers, and calculators

What companies here also do

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

  • Machinery Leasing — Leasing of industrial machinery
  • Equipment Distribution — Distribution of equipment and spare parts
  • Maintenance Training — Training for maintenance of heavy lifting equipment

Not included here

  • Installation, maintenance and repair of furnaces and other heating equipment. See activity 43222.
  • Installation, maintenance and repair of elevators and escalators. View 43299 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.

2,470
active companies operate here
฿6.0Bregistered capital, combined
฿19.1B
Sector revenue · 2025
+2% since 2023
฿860.7M
Net profit · 2025
1,320 profitable
202320242025

net profitrevenue

Foreign investment

new registrations · 2026 YTD
10%of new registered capital is foreign-held
฿20.5M foreign฿178.9M Thai

Foreigners are actively investing in this activity.

New in 2026

102+0.0%

registrations, YTD

Registered capital

฿6.0B-3.7%

since year-end

Largest by revenue

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

  1. 1Thai Kaginuma Co., Ltd.฿1.1B
  2. 2Repco Maintenance Co., Ltd.฿953.2M
  3. 3West Coast Engineering Co., Ltd.฿913.9M
  4. 4Bangkok Forklift Center Co., Ltd.฿260.0M
  5. 5MACS Co., Ltd.฿251.3M

Largest by registered capital

  1. 1Goldwind International (Thailand) Co., Ltd.intlBangkok฿258.2M
  2. 2Repco Maintenance Co., Ltd.Bangkok฿215.0M
  3. 3RHINOFIELD (THAILAND) CO., LTD.intlChon Buri฿148.0M

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.

657
Registered
since 2022
617
Still active
40
Dissolved
฿1.0M
Median capital
of active

New registrations per year

2022peak 179 in 20232026

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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