| A - material processing equipment |
| B - equipment for production, transport and distribution of concrete, mortar and rendering mixes |
| C - lifting gear |
| D - equipment for earthmoving and soil compaction |
| E - road construction machinery |
| F - railway track construction equipment |
| G - floating equipment |
| H - tunnel and mining construction equipment |
| J - pile drivers and extractors, soil injection equipment |
| K - drilling equipment, diaphragm wall equipment |
| L - equipment for pipe jacking and pipeline construction |
| M - equipment and plants for decontamination and environment protection |
| P - transport vehicles |
| Q - air compressors, pneumatic tools |
| R - equipment for power generation, transformation and distribution |
| S - hydraulic cylinders and hydraulic units |
| T - centrifugal and piston pumps, pipelines |
| U - formwork and scaffolds |
| W - workshop machines and equipment |
| W.0 - machines for metal working |
| W.1 - sheet metal working machines |
| W.1.0 - bending and beading machines |
| W.1.00 - folding machine hand-operated |
| W.1.01 - folding machine, electrically-operated or electro-hydraulic |
| W.1.02 - bending machine (roll bending machine), hand operated |
| W.1.03 - bending machine (roll bending machine), electrically-operated or electro-hydraulic |
| W.1.04 - bending machine press (folding machine press) |
| W.1.05 - hand bending machine |
| W.1.06 - beading machine, hand operated |
| W.1.07 - beading machine, electrically operated |
| W.1.1 - plate and section shears |
| W.1.2 - punching machines |
| W.1.3 - not assigned |
| W.1.4 - pipe bending presses |
| W.1.5 - handling equipment for foil sheets |
| W.2 - welding and forging equipment |
| W.3 - miscellaneous equipment for mechanical workshops |
| W.4 - woodworking machines |
| W.5 - lifting equipment for workshops |
| W.6 - equipment for surface treatment |
| W.7 - other equipment and machinery |
| W.8 - reinforcement material machines |
| X - construction site accomodations, containers |
| Y - equipment for surveying, laboratory, office, communication, monitoring, kitchen |
