71.20.C - Other technical research and analyses
25.62.Z - Manufacture of locks and hinges
33.12.Z - Repair and maintenance of machinery
33.14.Z - Repair and maintenance of electrical equipment
42.22.Z - Construction of utility projects for electricity and telecommunications
43.12.Z - Site preparation
43.21.Z - Electrical installation
43.22.Z - Plumbing, heat and air-conditioning installation
43.34.Z - Painting and glazing
43.99.Z - Other specialised construction activities n.e.c.
45.20.Z - Maintenance and repair of motor vehicles, excluding motorcycles
77.32.Z - Rental and leasing of construction and civil engineering machinery and equipment
81.29.Z - Other cleaning activities
81.30.Z - Landscape service activities
85.59.B - Courses and training related to acquiring knowledge, skills, and professional qualifications in non-school forms