In situ assembly, repair and disassembly of derricks
Drilling, turning, countersinking, shaving, planing, lapping, broach, dressing, sawing, grinding, sharpening, etc. of metallic pieces
Destruction of buildings and other kind of buildings
Terracing work: digging, grading of construction sites, opening of trenches, removal of rocks, destruction with explosives, etc.
Ground-water lowering and dredging of construction sites
Removal on construction sites
Test borings, test holes and corings for building and geophysical, geological and similar studies
Making of horizontal drillings for cables or pipes
Activities of geodesic activities : hydrographic survey, subterranean and delimitation survey, mapping and activities of collection of geographical data, including by aerial photography etc.
Drilling and pre-drilling
Intermediation of common goods
Other types of services with regard to information
Engineers and similar technical advisors, with the exception of surveyors
Rental and lease of machines and installations used in the building industry, road works and water works
Ancillary activities concerning the excavating of crude oil and natural gas