JACK SERWIS - JACEK KĘDRYNA

71.20.C - Other technical testing and analysis

33.12.Z - Repair and maintenance of machinery

33.13.Z - Repair and maintenance of electronic and optical devices

33.14.Z - Repair and maintenance of electrical devices

33.19.Z - Repair and maintenance of other equipment and installations

38.21.Z - Material recovery

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

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

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

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

68.31.Z - Real estate brokerage

68.32.A - Real estate valuation activities

68.32.B - Other real estate activities on behalf of third parties, not elsewhere classified

68.32.C - Other real estate activities on behalf of third parties

71.12.B - Engineering activities and related technical consultancy

74.20.Z - Photographic activities

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

78.10.Z - Employment placement and recruitment services

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

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