THAILANDSICThailand Standard Industrial Classification

TSIC Activity

42201

Construction of utility projects for water, oil, and gas

ประกอบกิจการให้บริการรับขุดเจาะบ่อบาดาล

What this activity covers

Companies in this sector construct pipelines and systems for water, oil, and gas transport and related infrastructure.

  • Pipeline construction — Building pipelines for water, oil, and gas transport
  • Water supply systems — Construction of mains and branches for water supply
  • Irrigation systems — Building canals for irrigation purposes
  • Sewage systems — Construction of drainage and sewage systems
  • Wastewater facilities — Construction and repair of wastewater treatment plants
  • Pumping stations — Construction of stations for pumping water and other liquids
  • Well drilling — Digging wells and installing pumping systems

What companies here also do

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

  • Water utility design — Designing and managing water utility systems
  • Groundwater services — Drilling and seeking groundwater sources
  • Public infrastructure projects — Constructing public utility projects related to water, oil, and gas

Foreign ownership

List 3: Restricted, FBL/BOI route availableinherited from 42

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.

901
active companies operate here
฿13.6Bregistered capital, combined
฿23.4B
Sector revenue · 2025
+21% since 2023
฿-2730074959
Net profit · 2025
401 profitable
202320242025

net profitrevenue

Foreign investment

new registrations · 2026 YTD
0%of new registered capital is foreign-held
฿0 foreign฿32.2M Thai

Almost entirely Thai-held — little foreign capital enters here.

New in 2026

25-16.7%

registrations, YTD

Registered capital

฿13.6B+3.0%

since year-end

Largest by revenue

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

  1. 1V.A.S. Supply Co., Ltd.฿2.2B
  2. 2P Plus P Rich Co., Ltd.฿2.1B
  3. 3Samprasit฿1.2B
  4. 4Expert Team Co., Ltd.฿1.2B
  5. 5CPP-CPPB Joint Venture฿1.0B

Largest by registered capital

  1. 1Hydrotech Public Company LimitedPathum Thani฿3.3B
  2. 2TRC Construction Public Company LimitedBangkok฿3.1B
  3. 3SamprasitBangkok฿750.0M

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.

221
Registered
since 2022
210
Still active
11
Dissolved
฿1.0M
Median capital
of active

New registrations per year

2022peak 69 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