Publishing activities Standard Industrial Classification (SIC) codes of UK-based importers and exporters 58110 - Book publishing (13645) 58120 - Publishing of directories and mailing lists (974) 58130 - Publishing of newspapers (1377) 58141 - Publishing of learned journals (1230) 58142 - Publishing of consumer and business journals and periodicals (4000) 58190 - Other publishing activities (20052) 58210 - Publishing of computer games (6031) 58290 - Other software publishing (20034)