North American Product Classification System (NAPCS) Canada 2022 Version 1.0
- 623 - Civil engineering works
- 62312 - Other land transportation civil engineering works
- 623121 - Parking lots and garages
- 6231212 - Enclosed parkades and parking garages
- 6231213 - Parking lots
- 623122 - Railway tracks
- 6231221 - Railway tracks
- 623123 - Runways
- 6231231 - Runways
- 623124 - Other land transportation civil engineering works, n.e.c.
- 6231241 - Other land transportation civil engineering works, n.e.c.
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