Thailand business reference

TSIC division 42: Civil engineering

Browse TSIC division 42 Civil engineering with linked groups, classes and activity codes used in Thailand.

2026-05-05Not official

Activity codes in this division

Code42101TSIC 42101Construction of streets, roads, bridge s or tunnelsOfficial TSIC PDF extract for Construction of streets, roads, bridge s or tunnels. Cross-links are currently generated from division and section heuristics until richer official mappings are connected.Code42102TSIC 42102Construction of roads and railwaysOfficial TSIC PDF extract for Construction of roads and railways. Cross-links are currently generated from division and section heuristics until richer official mappings are connected.Code42201TSIC 42201Construction of utility projects for water, oil, andgasOfficial TSIC PDF extract for Construction of utility projects for water, oil, andgas. Cross-links are currently generated from division and section heuristics until richer official mappings are connected.Code42202TSIC 42202Construction of utility projects for electricity and telecommunicationsOfficial TSIC PDF extract for Construction of utility projects for electricity and telecommunications. Cross-links are currently generated from division and section heuristics until richer official mappings are connected.Code42901TSIC 42901Construction of waterways, harbour, damand other civil engineering projects related to waterOfficial TSIC PDF extract for Construction of waterways, harbour, damand other civil engineering projects related to water. Cross-links are currently generated from division and section heuristics until richer official mappings are connected.Code42909TSIC 42909Construction of other civil engineering projects, n.e.cOfficial TSIC PDF extract for Construction of other civil engineering projects, n.e.c. Cross-links are currently generated from division and section heuristics until richer official mappings are connected.

Official extract note

Official NSO TSIC ebook page: 101
This classification label was imported from the official TSIC PDF extract and linked back to the DBD and NSO routes used in this portal.

Current coverage: 3 groups, 3 classes and 6 five-digit TSIC codes are published in this division.

TSIC hierarchy

F - Construction

Groups in this division

Classes in this division

Class4210TSIC class 4210Construction o f roads and railwaysBrowse TSIC class 4210 Construction o f roads and railways with linked five-digit activity codes and practical reference routes for Thailand.Class4220TSIC class 4220Construction of utility project sBrowse TSIC class 4220 Construction of utility project s with linked five-digit activity codes and practical reference routes for Thailand.Class4290TSIC class 4290Construction of other civil engineering p rojectsBrowse TSIC class 4290 Construction of other civil engineering p rojects with linked five-digit activity codes and practical reference routes for Thailand.

Business guidesOpen activity-level setup pages after selecting a TSIC code. Business licencesReview permit checkpoints linked to the activity. Foreign ownershipCheck FBA and BOI routing before relying on ownership assumptions. Tax ratesOpen the tax pages that usually matter after selecting a TSIC code. StandardsCheck product and regulator checkpoints tied to the activity. Company registryUse registry pages when the code selection affects setup or verification work. ProvincesReview local wage and operating context next to the classification tree.