TSIC Activity
Construction of railways and subways
ประกอบกิจการรับเหมาติดตั้งอุปกรณ์จราจรทุกชนิด และเกี่ยวกับการวางทุ่น
Definition
Construction of railways and underground railways; Graveling of railway tracks and laying of tracks; Installation of electrical disconnecting devices, wrenches and switching devices; Construction of railway control and safety systems; Construction of elevated railways and cable car systems; Improvement or repair of railway tracks.
Excluded from this code
- Architectural and engineering activities, see subgroup 7110
- Project management related to civil engineering. See activity 71102.
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
- LOMA TRAFFIC CO., LTD.Private limited company · สมุทรสาคร฿5.0M
- SOUTH EAST ASIA SHINKANSEN CO., LTD.Private limited company · กรุงเทพมหานคร฿5.0M
- PTP T LIMITED PARTNERSHIPLimited partnership · ปัตตานี฿5.0M
- MITTRAPAP99 DEVELOPMENT CO., LTD.Public limited company · เลย฿3.0M
- THAI TIA ENGINEERING MACHINERY SERVICES CO., LTD.Foreign branch · พะเยา฿2.0M
- TOP TREAT CO., LTD.Private limited company · กรุงเทพมหานคร฿1.0M
- THAI LAKSANA CONSTRUCTION LIMITED PARTNERSHIPJoint venture · นครสวรรค์฿1.0M
- KT STRUCTURE CO., LTD.Private limited company · กรุงเทพมหานคร฿1.0M
- THAN PHAKDEE CONSTRUCTION CO., LTD.Private limited company · กรุงเทพมหานคร฿1.0M
- THAI MULTIPLE SERVICE CO., LTD.Registered ordinary partnership · นครนายก฿1.0M
- TAT THEP WELDING (237) CO., LTD.Private limited company · นครปฐม฿1.0M
- BKP SOLUTION CO., LTD.Private limited company · นนทบุรี฿1.0M
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.
Talk to Emerhub Thailand