Przedsiębiorstwo Projektowo - Usługowe "HYDROTECH" Katarzyna Pietralska

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

18.13.Z - Service activities related to printing preparation

41.00.A - Construction work related to the construction of residential buildings

41.00.B - Construction work related to the construction of non-residential buildings

43.11.Z - Demolition and destruction of buildings

43.12.Z - Site preparation for construction

43.13.Z - Performing excavations and geological-engineering drilling

43.21.Z - Installation of electrical systems

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

43.24.Z - Installation of other building systems

43.31.Z - Plastering

43.33.Z - Flooring, wallpapering, and cladding of walls

43.34.Z - Painting and glazing

43.35.Z - Performing other finishing construction works

43.41.Z - Performing roof structures and coverings

43.42.Z - Performing other specialized construction works related to the construction of buildings

43.50.Z - Specialized construction works in the field of civil and water engineering

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

47.12.Z - Other non-specialized retail trade

47.61.Z - Retail sale of books

47.62.Z - Retail sale of newspapers, periodicals, and paper articles

47.64.Z - Retail sale of games and toys

47.69.C - Retail sale of other cultural and recreational products, not elsewhere classified

47.79.A - Retail sale of used or antique books

47.79.C - Retail sale of other used products

59.12.Z - Post-production activities related to films, video recordings, and television programs

68.12.A - Development of residential building projects

68.12.B - Development of non-residential building projects

68.12.C - Development of building projects

71.12.A - Engineering activities and related technical consultancy

71.12.B - Engineering activities and related technical consultancy

71.20.B - Inspection and issuing opinions on the technical condition of chimneys and ventilation ducts

71.20.C - Other technical testing and analysis

72.10.Z - Scientific research and development in natural and technical sciences

72.20.Z - Scientific research and development in social sciences and humanities

74.14.Z - Other specialized design activities

74.20.Z - Photographic activities

74.99.Z - All other professional, scientific and technical activities, not elsewhere classified

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

85.69.Z - Educational support activities, not classified elsewhere