The supply of electricity and heat for various technological purposes, heating water or heating implement a heating plant. The heating sector, however, includes the production, sale, installation and servicing of sub-devices to enable the heating of households, but also commercial or industrial buildings.

Production, distribution: - energy - electricity, gas, water, heat, compressed air. Services: - rail transport on sidings. Electrical maintenance: - revision, design activity - electrical work - production of switchboards - electrical maintenance work - training.

Heat supply. Production, distribution, delivery: - heat. Work: - locksmith - plumbing - gas - electrical installation - heating Electrical revisions.

Branch. Production, supplier: - heat - for urban agglomerations. Heating company.