28.29.Z - Manufacture of other general-purpose machinery n.e.c.
23.49.Z - Manufacture of other ceramic products
33.12.Z - Repair and maintenance of machinery
42.99.Z - Construction of other civil engineering projects n.e.c.
43.99.Z - Other specialised construction activities n.e.c.
47.99.Z - Other retail sale not in stores, stalls or markets
63.99.Z - Other information service activities not elsewhere classified
71.12.Z - Engineering activities and related technical consultancy
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
72.19.Z - Other research and experimental development on natural sciences and engineering