Among the most commonly used heating activities include the installation and repair of heating systems and heaters, installation of heat distribution throughout the house or across the firm fitting the underfloor heating and installation of boilers, as gas, as well as those operating on solid fuel.

Engineering activity Operation of parking lots Installation of gas equipment Building and civil engineering Brokerage activity Manufacture of metal structures Repair, maintenance and servicing of motor vehicles Service and installation of special-purpose machinery and equipment Arranging the sale, lease and purchase of real ...