THAILANDSICThailand Standard Industrial Classification

TSIC Activity

30110

Building of ships and floating structures

ประกอบกิจการ ซื้อ ขาย ให้เช่า ต่อเรือ ซ่อมแซม บำรุงรักษา เรือทุกประเภท

What this activity covers

This activity involves the construction of large ships and floating structures, excluding recreational vessels.

  • Large ship construction — Building cargo ships, passenger ships, and ferries
  • Warship building — Construction of military vessels
  • Fishing vessels — Building boats for fishing and special purposes
  • Floating structures — Construction of docks, buoys, and drilling platforms
  • Hovercraft construction — Building ships with air cushions
  • Transport vessels — Construction of floating cranes and tanks

What companies here also do

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

  • Boat repair services — Maintenance and repair of various types of boats
  • Boat sales — Buying and selling different types of boats
  • Consulting services — Advising on yacht renovation projects

Not included here

  • Manufacture of parts of ships other than the principal parts of the hull; manufacture of sails, see subclass 1392; manufacture of propellers, see subclass 2599.
  • Manufacture of iron or steel anchors, see subclass 2599.
  • Manufacture of marine engines, see subclass 2811.
  • Manufacture of pilot equipment, see subclass 2651.
  • Manufacture of lighting equipment for ships, see subclass 2740.
  • Manufacture of amphibious vehicles, see subgroup 2910.
  • Building of small boats or inflatable rafts for recreation, see subgroup 3012.
  • Repair and maintenance of ships and floating structures by specialists, see subgroup 3315.
  • Ship dismantling, see subgroup 3830
  • Interior installations for small boats, see subgroup 4330.

Industry at a glance

as of 23 ก.ค. 69

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

220
active companies operate here
฿24.1Bregistered capital, combined
฿3.9B
Sector revenue · 2025
-26% since 2023
฿-216079409
Net profit · 2025
85 profitable
202320242025

net profitrevenue

Foreign investment

new registrations · 2026 YTD
71%of new registered capital is foreign-held
฿32.0M foreign฿13.1M Thai

Foreigners are strongly represented in new investment under this activity.

New in 2026

8+100.0%

registrations, YTD

Registered capital

฿24.1B-9.7%

since year-end

Largest by revenue

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

  1. 1Marzan Public Company Limited฿451.5M
  2. 2U-Reu Wangjao Co., Ltd.฿349.3M
  3. 3Bangkok Dredging Co., Ltd.฿317.6M
  4. 4Thai International Dockyard Co., Ltd.฿310.5M
  5. 5Harintore Co., Ltd.฿296.1M

Largest by registered capital

  1. 1Timco Shipyard Co., Ltd.Bangkok฿20.0B
  2. 2Italthai Marine Co., Ltd.Samut Prakan฿810.0M
  3. 3Marzan Public Company LimitedSamut Prakan฿411.0M

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.

50
Registered
since 2022
48
Still active
2
Dissolved
฿1.5M
Median capital
of active

New registrations per year

2022peak 18 in 20242026

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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