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 (19589) 82190 - Photocopying, document preparation and other specialised office support activities (2940) 82200 - Activities of call centres (2890) 82301 - Activities of exhibition and fair organisers (8155) 82302 - Activities of conference organisers (6506) 82911 - Activities of collection agencies (1024) 82912 - Activities of credit bureaus (143) 82920 - Packaging activities (18318) 82990 - Other business support service activities n.e.c. (294183)