D.O.C.Marek Lenarciak

70.20.Z - Business and management consultancy activities

18.13.Z - Service activities related to printing preparation

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

52.24.A - Cargo handling in sea ports

52.24.B - Cargo handling in inland ports

52.24.C - Cargo handling at other handling points

61.90.A - Activities in other telecommunications fields

62.10.B - Programming activities

62.20.A - IT consulting and IT equipment management activities

62.20.B - IT consulting and IT equipment management activities

62.90.Z - Other IT and computer-related services

71.12.B - Engineering activities and related technical consultancy

73.11.Z - Advertising agency activities

74.12.Z - Graphic design and visual communication activities

78.10.Z - Employment placement and recruitment services

82.40.Z - Intermediary activities in business support services, not elsewhere classified

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

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

85.61.Z - Mediation in organizing courses and tutoring

95.10.Z - Repair and maintenance of computers and telecommunications equipment