J2K KONSTRUKCJE SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

25.11.Z - Production of metal constructions and their parts

25.12.Z - Production of metal doors and windows

33.11.Z - Repair and maintenance of metal products

41.10.Z - Construction work related to the construction of residential and non-residential buildings

41.20.Z - Construction work related to the construction of residential and non-residential buildings

43.11.Z - Demolition and destruction of buildings

71.12.Z - Engineering activities and related technical consultancy

77.32.Z - Rental and leasing of construction machinery and equipment

78.30.Z - Employment activities