emLang Maciej Lang

71.12.Z - Engineering activities and related technical consultancy

43.21.Z - Installation of electrical systems

46.43.Z - Wholesale trade of electrical household goods

52.22.A - Support activities for maritime transport

52.22.B - Support activities for inland water transport

68.20.Z - Rental and management of own or leased real estate

74.90.Z - Other professional, scientific and technical activities, not elsewhere classified

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

85.59.A - Foreign language education

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

45.11.Z