Industrial Classification By SSIC (2020) Section N : OFFICE ADMINISTRATIVE, OFFICE SUPPORT AND OTHER BUSINESS SUPPORT ACTIVITIES 82 : OFFICE ADMINISTRATIVE, OFFICE SUPPORT AND OTHER BUSINESS SUPPORT ACTIVITIES 82 : OFFICE ADMINISTRATIVE, OFFICE SUPPORT AND OTHER BUSINESS SUPPORT ACTIVITIES 821 : OFFICE ADMINISTRATIVE AND SUPPORT ACTIVITIES 8211 : Combined Office Administrative Service Activities 82110 : Office administrative services on a fee or contract basis (e.g. billing and record keeping) 8219 : Photocopying, Document Preparation and Other Specialised Office Support Activities 82191 : Stenographic and secretarial services 82192 : Duplicating and photo-copying services 82199 : Other specialised office support activities n.e.c. 822 : ACTIVITIES OF CALL CENTRES 8220 : Activities of Call Centres 82200 : Call centres 823 : CONVENTION, TRADE SHOW, CONCERT AND OTHER EVENT ORGANISERS 8230 : Convention, Trade Show, Concert and Other Event Organisers 82301 : Exhibition organisers 82302 : Convention/Conference organisers 82303 : Event/Concert organisers 82304 : Exhibition stand contractors 829 : BUSINESS SUPPORT SERVICE ACTIVITIES N.E.C. 8291 : Activities of Collection Agencies and Credit Bureaus 82911 : Debt collection services 82912 : Credit rating agencies 8292 : Packaging Activities 82920 : Packaging activities 8299 : Other Business Support Service Activities n.e.c. 82991 : Activities of auction houses 82999 : Other business support service activities (e.g. administration of loyalty programmes)