Specialised construction activities Standard Industrial Classification (SIC) codes of UK-based importers and exporters 43110 - Demolition (3873) 43120 - Site preparation (8303) 43130 - Test drilling and boring (811) 43210 - Electrical installation (74963) 43220 - Plumbing, heat and air-conditioning installation (66474) 43290 - Other construction installation (54784) 43310 - Plastering (13796) 43320 - Joinery installation (29876) 43330 - Floor and wall covering (16681) 43341 - Painting (26277) 43342 - Glazing (10313) 43390 - Other building completion and finishing (77465) 43910 - Roofing activities (26131) 43991 - Scaffold erection (9444) 43999 - Other specialised construction activities n.e.c. (89999)