Wholesale in navigation instruments, measuring instruments and control instruments
Wholesale in other types of machines and tools
Other types of services with regard to information
Advice agencies in regard to public relations and communication
Other types of technical and scientific activities
Rental and lease of machines and installations used in the building industry, road works and water works
Other types of business services
Other types of education
Foundry of finished or semi-finished products in melting
Manufacture of turbines and their pieces: water steam turbines or other kind of steam turbines, gas turbines, hydraulic turbines, water wheels and their regulators
Manufacture of air pumps, vacuum pumps, air or other gas compressors
Work of maintenance and mechanical repairs for third parties
Building of transport and distribution lines for electricity
Building of settling tanks and other devices for water disposal
Terracing work: digging, grading of construction sites, opening of trenches, removal of rocks, destruction with explosives, etc.
Ground-water lowering and dredging of construction sites
Setting of electric cables and appliances
Installation in buildings or in other projects of building of: pumbling systems and hygiene appliances, pipes for gas and water (except for heating), setting of automatic extinguishers, etc.
Setting of electrical installations of heating
Activities of holding management: intervention in daily management, representation of companies on the basis of possession or control of the capital stock, etc.
Production of other types of products made from metal
Production of engines and turbines, with the exception of engines used by aircraft, motor vehicles and motorized bicycles
Production of hydraulic equipment
Production of other types of pumps and compressors
Repair of metal products
Repair of machines
Repair of electronic devices
Repair of other types of instruments
Installation of industrial machines, devices and equipment