Biuro Techniczno- Inżynierskie mgr inż. Piotr Bielecki

71.12.Z - Engineering activities and related technical consultancy

18.13.Z - Service activities related to printing preparation

41.20.Z - Construction work related to the construction of residential and non-residential buildings

43.22.Z - Installation of plumbing, heating, and air-conditioning systems

43.29.Z - Specialized construction works

47.91.Z - Intermediary retail sale, non-specialized

62.02.Z - Activities related to programming, IT consulting, and related activities

63.12.Z - Services related to computing infrastructure, data processing, website management (hosting), and other information services

70.22.Z - Head office activities and management consultancy

71.11.Z - Architectural activities

73.11.Z - Advertising agency activities

74.10.Z - Specialized design activities

74.20.Z - Photographic activities

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