THAILANDSICThailand Standard Industrial Classification

TSIC Activity

41002

Construction of non-residential buildings

ประกอบกิจการประมูลเพื่อรับจ้างทำของ ตามวัตถุที่ประสงค์ทั้งหมด ให้แก่บุคคล คณะบุคคล นิติบุคคล ส่วนราชการ และองค์การของรัฐ

What this activity covers

This activity involves the construction of various types of non-residential buildings and structures.

  • Non-residential buildings — Construction of factories, hospitals, schools, and office buildings
  • Commercial structures — Includes hotels, shops, shopping centres, and restaurants
  • Warehouses — Construction of storage facilities and parking buildings
  • Alterations and renovations — Modifications to existing non-residential buildings
  • Historic restoration — Restoration of historic sites and buildings
  • Assembly of prefabricated buildings — On-site assembly of non-residential structures

What companies here also do

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

  • Civil engineering works — Includes roads, bridges, and dams
  • Land development — Developing land for various uses
  • Industrial estate management — Establishing and operating industrial estates

Not included here

  • Installation of prefabricated parts other than concrete work, see subsections 16 and 25.
  • Construction of public utilities and facilities, except for industrial factory buildings. See activity 42901.
  • Construction of outdoor sports facilities. See activity 42909.

Foreign ownership

List 3: Restricted, FBL/BOI route availableinherited from 41

Construction, except construction of infrastructure providing basic public services in public utilities or transport that requires special apparatus, machinery, technology or expertise, and except other categories prescribed in ministerial regulations

The infrastructure carve-out is subject to a minimum foreign capital requirement, subject to capital thresholds, verify current figures.

FBA B.E. 2542, List 3 (10)Routes: Foreign Business Licence, BOI promotion, US Treaty of Amity

Auto-mapped, verify against the Act. These TSIC mappings are indicative, not legal advice; the schedules of the Foreign Business Act B.E. 2542 are the authority. See the full foreign ownership reference.

Industry at a glance

as of 23 ก.ค. 69

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

58,924
active companies operate here
฿457.0Bregistered capital, combined
฿762.7B
Sector revenue · 2025
+2% since 2023
฿29.5B
Net profit · 2025
22,671 profitable
202320242025

net profitrevenue

Foreign investment

new registrations · 2026 YTD
13%of new registered capital is foreign-held
฿412.8M foreign฿2.9B Thai

Foreigners are actively investing in this activity.

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

New in 2026

1,635-54.1%

registrations, YTD

Registered capital

฿457.0B-1.1%

since year-end

Largest by registered capital

  1. 1V-Wide Engineering Corporation Co., Ltd.Pathum Thani฿50.0B
  2. 2Phet Ngern Thong Co., Ltd.Bangkok฿30.0B
  3. 3Thai N & N Group Co., Ltd.Bangkok฿20.0B

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.

18,868
Registered
since 2022
17,580
Still active
1,288
Dissolved
฿1.0M
Median capital
of active

New registrations per year

2013peak 5,266 in 20222026

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.

Emerhub

Restricted activity? There is usually a route.

Emerhub structures foreign-owned companies around FBA restrictions: Foreign Business Licence applications, BOI promotion, and compliant shareholding structures. Talk through your case before you commit to one.

Talk to Emerhub Thailand