| 43999 | Aerial mast (self supporting) erection |
| 43999 | Boring (civil engineering) |
| 43999 | Brick furnace construction |
| 43999 | Brick kiln construction |
| 43999 | Bricklaying |
| 43999 | Carpenter on building site |
| 43999 | Carpentry (structural) |
| 43999 | Chimney construction |
| 43999 | Claddings (external) |
| 43999 | Concrete work (building) |
| 43999 | Construction machinery and equipment rental with operator |
| 43999 | Construction of outdoor swimming pools |
| 43999 | Damp proofing of buildings |
| 43999 | De-humidification of buildings |
| 43999 | Demolition equipment rental with operator |
| 43999 | Diamond drilling of concrete and asphalt |
| 43999 | Drying out of buildings (incl. Water damage) |
| 43999 | Earth moving equipment rental with operator |
| 43999 | Ferro concrete bar bending and fixing contractor |
| 43999 | Flare stack and flareboom erection work |
| 43999 | Floor screeding |
| 43999 | Formwork (civil engineering) |
| 43999 | Foundations construction |
| 43999 | Grouting contractor (building) |
| 43999 | Grouting contractor (civil engineering) |
| 43999 | Helideck erection work |
| 43999 | Hydraulic construction (subsurface work) |
| 43999 | Industrial ovens erection |
| 43999 | Mason (building) |
| 43999 | Mine sinking |
| 43999 | Oil production platform (fixed concrete or composite steel/concrete) construction |
| 43999 | Outdoor private swimming pools |
| 43999 | Pile driving |
| 43999 | Piling (building) |
| 43999 | Piling contractor (civil engineering) |
| 43999 | Plant hire for construction rental with operator |
| 43999 | Pylon erection |
| 43999 | Reinforced concrete engineer (civil engineering) |
| 43999 | Renting of cranes with operator |
| 43999 | Renting of other building equipment with operator |
| 43999 | Retort setting |
| 43999 | Sand blasting for building exteriors |
| 43999 | Screed laying |
| 43999 | Shaft drilling (civil engineering) |
| 43999 | Shaft sinking |
| 43999 | Steam cleaning for building exteriors |
| 43999 | Steel bending |
| 43999 | Steel elements (not self-manufactured) erection |
| 43999 | Steelwork erection (building) |
| 43999 | Steelwork erection (civil engineering) |
| 43999 | Steeplejacking |
| 43999 | Stone carving |
| 43999 | Stone setting |
| 43999 | Stone walling |
| 43999 | Stonemasonry (building) |
| 43999 | Structural steelwork erection (building) |
| 43999 | Structural steelwork erection (civil engineering) |
| 43999 | Subsurface work |
| 43999 | Waterproofing of buildings |
| 43999 | Well sinking (except gas or oil) |
| 43999 | Work with specialist access requirements necessitating climbing skills and related equipment |
| 43999 | |