73.12.A - Intermediation in the sale of time and place on advertising aims in the radio and television
47.99.Z - Other retail sale not in stores, stalls or markets
58.19.Z - Other publishing activities, except software publishing
63.99.Z - Other information service activities not elsewhere classified
73.12.B - Intermediation in the sale of the place on advertising aims in printed media
73.12.C - Intermediation in the sale of the place on advertising aims in electronic media (internet)
73.12.D - Intermediation in the sale of the place on advertising aims in other media
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
77.40.Z - Leasing of intellectual property and similar products, except copyrighted works
82.99.Z - Other business support service activities not elsewhere classified