Construction

construction of factories; construction of airport buildings; construction of all types of non-residential buildings; construction of all types of residential buildings; construction of assembly and erection of prefabricated constructions on the site; construction of assembly plants; construction of buildings for industrial production; construction of high-rise buildings; construction of hospitals; construction of hotels; construction of indoor sports facilities; construction of multi-family buildings; construction of office buildings; construction of parking garages; construction of religious buildings; construction of remodeling or renovating existing residential structures; construction of restaurants; construction of schools; construction of shopping malls; construction of single-family houses; construction of stores; construction of underground parking garages; construction of warehouses; Construction of workshops

installation of alterations; installation of cooling towers; installation of duct work installation; installation of furnaces; installation of gas fittings; installation of heating and air-conditioning systems; installation of heating systems (electric, gas, and oil); installation of lawn sprinkler systems; installation of non-electric solar energy collectors; installation of plumbing and sanitary equipment; installation of refrigeration or air-conditioning equipment and ducts; installation of steam piping; installation of ventilation