| 111 | One-dwelling buildings |
| 112 | Two- and more dwelling buildings |
| 113 | Residences for communities |
| 121 | Hotels and similar buildings |
| 122 | Office buildings |
| 123 | Wholesale and retail trade buildings |
| 124 | Traffic and communication buildings |
| 125 | Industrial buildings and warehouses |
| 126 | Public entertainment, education, hospital or institutional care buildings |
| 127 | Other non-residential buildings |
| 211 | Highways, streets and roads |
| 212 | Railways |
| 213 | Airfield runways |
| 214 | Bridges, elevated highways, tunnels and subways |
| 215 | Harbours, waterways, dams and other waterworks |
| 221 | Long-distance pipelines, communication and electricity lines |
| 222 | Local pipelines and cables |
| 230 | Complex constructions on industrial sites |
| 241 | Sport and recreation constructions |
| 242 | Other civil engineering works not elsewhere classified |