Repair and installation of machinery and equipment Standard Industrial Classification (SIC) codes of UK-based importers and exporters 33110 - Repair of fabricated metal products (2362) 33120 - Repair of machinery (6844) 33130 - Repair of electronic and optical equipment (1384) 33140 - Repair of electrical equipment (7480) 33150 - Repair and maintenance of ships and boats (3294) 33160 - Repair and maintenance of aircraft and spacecraft (4086) 33170 - Repair and maintenance of other transport equipment n.e.c. (5419) 33190 - Repair of other equipment (8845) 33200 - Installation of industrial machinery and equipment (6482)