THAILANDSICThailand Standard Industrial Classification

TSIC Activity

24103

Manufacture of iron and steel tubes, pipes, hollow profiles and related fixtures

ประกอบกิจการผลิตและจำหน่ายท่อปลอกหุ้ม ท่อลำเลียง ข้อต่อท่อและท่อไอน้ำ

What this activity covers

This activity involves the production of steel pipes, tubes, and fittings through various manufacturing processes.

  • Seamless steel pipes — Produced by hot rolling, hot extrusion, hot drawing, or cold drawing
  • Welded steel pipes — Created by cold or hot forming and welding
  • Pipe fittings — Includes flanges and butt welding fittings made from various steels
  • Cold drawn pipes — Further processed welded pipes through cold drawing
  • Cold rolled pipes — Further processed welded pipes through cold rolling

What companies here also do

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

  • Manufacturing hoses — Includes air connectors and flexible hoses
  • Selling metal products — Involves distribution of various metal pipes and fittings

Not included here

  • Manufacture of tubes, pipes, hollow profiles and pipe fittings or tubes of cast iron, see activity 24311.
  • Manufacture of seamless steel tubes and pipes by centrifugal casting method. See activity 24312.
  • Manufacture of pipe fittings or tubes made of cast steel. See activity 24312.

Industry at a glance

as of 23 ก.ค. 69

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

80
active companies operate here
฿14.6Bregistered capital, combined
฿17.1B
Sector revenue · 2025
-16% since 2023
฿1.0B
Net profit · 2025
41 profitable
202320242025

net profitrevenue

Foreign investment

new registrations · 2026 YTD
25%of new registered capital is foreign-held
฿1.0M foreign฿3.0M Thai

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

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

New in 2026

4-33.3%

registrations, YTD

Registered capital

฿14.6B+119.8%

since year-end

Largest by revenue

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

  1. 1Nippon Steel Pipe (Thailand) Co., Ltd.intl฿3.9B
  2. 2Chawaraks Co., Ltd.฿2.0B
  3. 3Premium Steel Processing Co., Ltd.฿1.9B
  4. 4Phoenix Steel Works Co., Ltd.฿991.9M
  5. 5Dogweiler Asia Co., Ltd.฿971.4M

Largest by registered capital

  1. 1Nippon Steel Pipe (Thailand) Co., Ltd.intlRayong฿8.3B
  2. 2Samchai Steel Industry Public Company LimitedSamut Sakhon฿1.1B
  3. 3Dogweiler Asia Co., Ltd.Bangkok฿625.0M

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.

22
Registered
since 2022
20
Still active
2
Dissolved
฿2.5M
Median capital
of active

New registrations per year

2022peak 7 in 20252026

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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