|
Class
|
Category
|
Description
|
|
8
|
D
|
General contractor of construction works
|
|
8
|
D1
|
Structural works and roofing of buildings
|
|
8
|
D20
|
Metal joinery
|
|
8
|
D4
|
Sound and heat isolation, light movable walls, false ceilings and raised access floors, prefabricated or not
|
|
5
|
E
|
General contractor of civil engineering
|
|
5
|
G
|
General contractor of earthworks
|