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.
Installation in buildings or in other projects of building of: heating systems by electricity, gas and fuel, boilers, materials and pipes for ventilation and air conditioning, etc.
Setting of electrical installations of heating
Implementation in buildings or in other projects of building of: thermal insulation materials, acoustic and antivibrating insulation materials
Work of insulation of pipes for heating or cooling
Work of insulation of coolers or refrigerated warehouses
Assembling of partitions in gypsum
Test and analyses on texture, physical characteristics, performances, compliance with reglements and standards or specifications of materials, products, installations, etc.
Repair of metal products
Repair of electronic devices
Installation of heating, air-conditioning and ventilation
Insulation works
Carpentry
Laying of floor and wall tiles
Electro-technical installation works, with the exception of those executed at buildings
Other types of business services
Plumbing works
Accountants and accountants / tax specialists
Engineers and similar technical advisors, with the exception of surveyors
Other types of technical and scientific activities