M.R. SOLUTIONS TOMASZ WALASZCZYK

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

43.21.Z - Installation of electrical systems

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

43.29.Z - Specialized construction works

43.91.Z - Masonry works

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

47.99.Z - Retail trade

66.19.Z - Other activities supporting financial services, excluding insurance and pension funds

70.22.Z - Head office activities and management consultancy

82.19.Z - Office administrative support activities and other business support services

82.99.Z - Other business support activities, not elsewhere classified