KUK - KOMPLEKSOWE USŁUGI KOLEJOWE SPÓŁKA AKCYJNA

52.21.B - Other support activities for land transport

33.12.Z - Repair and maintenance of machinery

33.17.Z - Repair and maintenance of other civil transport equipment

42.12.Z - Works related to the construction of railways and underground railways

49.20.Z - Rail freight transport

49.39.Z - Other land passenger transport, not elsewhere classified

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

78.10.Z - Employment placement and recruitment services

78.20.Z - Temporary employment agencies and other services related to employee leasing

85.59 - Other non-school forms of education, not classified elsewhere