MARCIN OLECH " MARCOL "

43.99.Z - Other specialized construction works, not classified elsewhere

33.12.Z - Repair and maintenance of machinery

33.14.Z - Repair and maintenance of electrical devices

33.20.Z - Installation of industrial machinery, equipment, and devices

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

42.11.Z - Works related to the construction of roads and highways

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.13.Z - Performing excavations and geological-engineering drilling

43.21.Z - Installation of electrical systems

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

43.29.Z - Specialized construction works

43.31.Z - Plastering

43.32.Z - Installation of building carpentry

43.33.Z - Flooring, wallpapering, and cladding of walls

43.34.Z - Painting and glazing

43.39.Z - Specialized construction works

43.91.Z - Masonry works

46.90.Z - Non-specialized wholesale trade

47.91.Z - Intermediary retail sale, non-specialized

47.99.Z - Retail trade

49.41.Z - Road freight transport

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

85.59.B - Courses and training for acquiring knowledge, skills, and professional qualifications in non-school forms

45.19.Z

45.31.Z

45.32.Z