Marcin Grzesiński P.H.U. MARTEN

47.41.Z - Retail sale of computers, peripheral units and software in specialised stores

33.12.Z - Repair and maintenance of machinery

46.51.Z - Wholesale of computers, peripheral equipment and software

47.91.Z - Retail sale via mail order houses or via Internet

47.99.Z - Other retail sale not in stores, stalls or markets

85.59.B - Other out-of-school forms of education, not elsewhere classified

95.11.Z - Repair and maintenance of computers and peripheral equipment