68.20.Z - Rental and operating of own or leased real estate
33.17.Z - Repair and maintenance of other civilian transport equipment
41.10.Z - Realization of building projects related to erection of buildings
41.20.Z - Building works related to erection of residential and non-residential buildings
42.12.Z - Construction of railways and underground railways
42.99.Z - Construction of other civil engineering projects n.e.c.
43.12.Z - Site preparation
43.99.Z - Other specialised construction activities n.e.c.
49.20.Z - Freight rail transport
52.21.Z - Service activities incidental to land transportation
