74.90.Z - Other professional, scientific and technical activities not elsewhere classified
43.21.Z - Electrical installation
63.99.Z - Other information service activities not elsewhere classified
68.20.Z - Rental and operating of own or leased real estate
77.33.Z - Rental and leasing of office machinery and equipment, including computers
78.10.Z - Activities of employment placement agencies
80.20.Z - Security systems service activities
82.11.Z - Office administrative service activities
85.59.B - Other out-of-school forms of education, not elsewhere classified
96.09.Z - Other personal service activities not elsewhere classified
