72.19.Z - Other research and experimental development on natural sciences and engineering
35.11.Z - Production of electricity from non-renewable sources
47 - Retail trade
70.22.Z - Business and other management consultancy activities
71.12.Z - Engineering activities and related technical consultancy
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
73.20 - Market research and public opinion polling
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
84.13.Z - Regulation of and contribution to more efficient operation of businesses
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms