TSIC Activity
Water plumbing and drain laying installation
ประกอบกิจการ บริการรับต่อท่อประประปา และติดตั้งอุปกรณ์ประปาทุกชนิด
Definition
Installation of water supply and drainage systems, extensions, alterations, repairs and maintenance of systems and equipment. It also includes the installation of systems within buildings or according to construction projects, such as hot and cold water pipes, installation of fire extinguishing systems with water jets, automatic plant watering systems, plumbing connections and sanitary equipment, pressurized water supply equipment for fire extinguishing (including fire hydrants consisting of hoses and spray pipes), sewage disposal pipes, including drain pipes and septic tanks.
Excluded from this code
- Construction of water supply and drainage/sewage systems for public utilities. See activity 42201.
Foreign ownership
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.
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.
Companies registered since 2022
Browse allNew DBD registrations under this activity since 2022, the period the registry snapshot covers, not the full historical register.
New registrations per year
Largest active companies by registered capital
- NONG MON CREATIVE WATERWORKS CO., LTD.Registered ordinary partnership · ชลบุรี฿20.0M
- S. KITTIKARN CO., LTD.Private limited company · สระบุรี฿11.0M
- BT PIPING MAINTENANCE LIMITED PARTNERSHIPPrivate limited company · สมุทรปราการ฿5.0M
- KANT WATER SUPPLY CO., LTD.Private limited company · กรุงเทพมหานคร฿5.0M
- CHAI BOON THAM MUNKONG SAP LIMITED PARTNERSHIPPublic limited company · อุดรธานี฿5.0M
- BJC ALL INCOME CO., LTD.Registered ordinary partnership · ระยอง฿5.0M
- KANGRUN CONSTRUCTION TECHNOLOGY DEVELOPMENT CO., LTD.Registered ordinary partnership · ชลบุรี฿5.0M
- BNN ENGINEERING CO., LTD.Private limited company · กรุงเทพมหานคร฿5.0M
- GOOD IDEA WATER X PLUS 8 CO., LTD.Limited partnership · อุบลราชธานี฿5.0M
- THANAPAT CONSTRUCTION 2025 LIMITED PARTNERSHIPLimited partnership · เพชรบุรี฿5.0M
- U.G. POWER AND WATER CO., LTD.Private limited company · กรุงเทพมหานคร฿5.0M
- INFRA CONSTRUCTION (2025) CO., LTD.Private limited company · นนทบุรี฿5.0M
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.
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