KUK - KOMPLEKSOWE USŁUGI KOLEJOWE SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

52.21.Z - 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

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

78.30.Z - Employment activities

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