P. W. Roman Ozimek

74.99.Z - All other professional, scientific and technical activities, not elsewhere classified

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

70.20.Z - Business and management consultancy activities

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

77.39.Z - Rental and leasing of other machinery, equipment, and tangible assets, not elsewhere classified

82.99.B - Other business support activities, not elsewhere classified