International Standard Industrial Classification of All Economic Activities, Rev.4Trinidad and Tobago Industrial Classification (ISIC Rev 4 based)
ISIC Rev 4 421 to ISIC Rev 4 (Trinidad and Tobago)
Crosswalk mapping from ISIC Rev 4 421 "Construction of roads and railways" to ISIC Rev 4 (Trinidad and Tobago). 1 official equivalence.
ISIC Rev 4 421 in ISIC Rev 4 (Trinidad and Tobago)
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About ISIC Rev 4 421
421 Construction of roads and railwaysThis class covers the construction of transport infrastructure such as roads, highways, streets, bridges, tunnels and railway lines, including associated earthworks, paving, track laying and related civil-engineering services.