Office administrative, office support and other business support activities Standard Industrial Classification (SIC) codes of UK-based importers and exporters 82110 - Combined office administrative service activities (20875) 82190 - Photocopying, document preparation and other specialised office support activities (3101) 82200 - Activities of call centres (3049) 82301 - Activities of exhibition and fair organisers (9417) 82302 - Activities of conference organisers (7528) 82911 - Activities of collection agencies (1102) 82912 - Activities of credit bureaus (153) 82920 - Packaging activities (18595) 82990 - Other business support service activities n.e.c. (305896)