81.30.Z - Landscape service activities
02.10.Z - Silviculture and other forestry activities
02.40.Z - Support services to forestry
36.00.Z - Water collection, treatment and supply
37.00.Z - Sewerage
42.91.Z - Construction of water projects
42.99.Z - Construction of other civil engineering projects n.e.c.
43.12.Z - Site preparation
43.13.Z - Test drilling and boring
43.22.Z - Plumbing, heat and air-conditioning installation
43.50.Z - Specialised construction activities in civil engineering
71.11.Z - Architectural activities
71.12.A - Activity in the field of geodesy and cartography
71.12.B - Other activities in the field of engineering and related technical consulting
71.12.Z - Engineering activities and related technical consultancy