Republic of Congo Industrial Classification (ISIC Rev 4 based)International Standard Industrial Classification of All Economic Activities, Rev.4
ISIC Rev 4 (Congo Republic) 421 to ISIC Rev 4
Crosswalk mapping from ISIC Rev 4 (Congo Republic) 421 "Construction of roads and railways" to ISIC Rev 4. 1 official equivalence.
ISIC Rev 4 (Congo Republic) 421 in ISIC Rev 4
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About ISIC Rev 4 (Congo Republic) 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.