821 — OFFICE ADMINISTRATIVE AND SUPPORT ACTIVITIES
8211Combined Office Administrative Service Activities8219Photocopying, Document Preparation and Other Specialised Office Support Activities822 — ACTIVITIES OF CALL CENTRES
8220Activities of Call Centres823 — CONVENTION, TRADE SHOW, CONCERT AND OTHER EVENT ORGANISERS
8230Convention, Trade Show, Concert and Other Event Organisers829 — BUSINESS SUPPORT SERVICE ACTIVITIES N.E.C.
8291Activities of Collection Agencies and Credit Bureaus8292Packaging Activities8299Other Business Support Service Activities n.e.c.