74.90.Z - Other professional, scientific and technical activities not elsewhere classified
35.14.Z - Distribution of electricity
35.23.Z - Trade of gas through mains
47.91.Z - Intermediation service activities for non-specialised retail sale
47.99.Z - Other retail sale not in stores, stalls or markets
68.31.Z - Intermediation service activities for real estate activities
68.32.Z - Management of real estate on a fee or contract basis
70.10.Z - Activities of head office and holding companies, excluding financial holding companies
77.40.Z - Leasing of intellectual property and similar products, except copyrighted works
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms