4
Fuels, natural gas
6
Metal building materials, pipes and tubes of metal
9
Measuring, signalling and supervision apparatus and instruments
17
Packing materials, flexible pipes, not of metal
19
Building materials (non-metallic), non-metallic rigid pipes for building
35
Advertising, business management, business administration; Receipt and confirmation of volume nominations and measurements in relation to gas quality, contractual delivery and distribution of transported gas volumes, volume transfer and volume provision, checking measurements and allocation, feed-in and feed-out of gas in existing client installations or installations of others appointed by the client; Billing, invoicing and verification of invoices/bills, contract management for multiple network operators; Marketing of transport capacities of others
37
Building construction and construction of infrastructural facilities for gas transport purposes, in particular natural gas pipelines, installation services and laying of telephone cables
39
Transport, transport of natural gas through pipelines and services necessarily connected therewith, namely transport and distribution of transported gas volumes, basic balance sheet equalisation, extended balance sheet equalisation, and other services enabling simultaneous adaptation of feed-in and feed-out volumes, included in class 39 (services in connection with the transport of natural gas), implementing nomination replacement processes (transport services), organisation of transport on the networks of others, consultancy for regional and municipal energy supply network operators
40
Treatment of materials through the concentration and processing of feed-in gas
42
Scientific and technological services and research, industrial analysis and research services, technical planning of infrastructural facilities for gas transport purposes, in particular natural gas pipelines; Checking of measuring devices, evaluation of measurements, documentation of measurement results, ascertaining and logging the difference between nominated and actually received gas volumes