Locksmithing, tool making
Plumbing, heating
-Preparatory and finishing construction work, specialized construction activities
- Mediation of business and services
-Wholesale and retail
-Repairs and maintenance of household items, objects of a cultural nature, fine mechanical products, optical instruments and gauges
-Manufacturing metal structures and metalwork products
-Testing, measurement, analysis and control
Installation, repair and reconstruction of cooling devices and heat pumps
Assembly, repairs, revisions and tests of gas equipment and filling of containers with gases