Specialised construction activities Standard Industrial Classification (SIC) codes of UK-based importers and exporters 43110 - Demolition (3793) 43120 - Site preparation (8101) 43130 - Test drilling and boring (799) 43210 - Electrical installation (72683) 43220 - Plumbing, heat and air-conditioning installation (64355) 43290 - Other construction installation (53036) 43310 - Plastering (13443) 43320 - Joinery installation (28812) 43330 - Floor and wall covering (16183) 43341 - Painting (25541) 43342 - Glazing (10067) 43390 - Other building completion and finishing (75040) 43910 - Roofing activities (25101) 43991 - Scaffold erection (9119) 43999 - Other specialised construction activities n.e.c. (87654)