| 34150 | Adrenalone (INN) | |
| 35250 | Adrenocorticotrophic hormone, not put up medicaments | |
| 35250 | Adrenosterone, not put up as medicaments | |
| 16310 | Adularia, unworked or simply sawn or roughly shaped, whether or not graded, not strung, mounted or set | |
| 38220 | Adularia, worked other than simply sawn or roughly shaped, whether or not graded, not strung, mounted or set | |
| 63191 | Adult holiday camps and related services | |
| 92190 | Adult literacy programmes | |
| 83610 | Advertisements, designing of | |
| 83620 | Advertisers, buying media space on behalf of | |
| 83620 | Advertisers, buying media time on behalf of | |
| 83620 | Advertising agencies, buying media space on behalf of | |
| 83620 | Advertising agencies, buying media time on behalf of | |
| 83812 | Advertising and related photography services | |
| 83610 | Advertising campaigns, creation of | |
| 83610 | Advertising campaigns, execution of | |
| 83610 | Advertising campaigns, planning of | |
| 83610 | Advertising campaigns, selecting media for | |
| 91136 | Advertising campaigns, tourism, administrative services related to | |
| 83812 | Advertising display photography | |
| 96121 | Advertising film or video, production of | |
| 83610 | Advertising illustrations, designing of | |
| 83690 | Advertising materials, delivery of | |
| 32530 | Advertising matter, printed (excl. calendars containing advertising matter) | |
| 83610 | Advertising movies, writing scenarios for | |
| 83610 | Advertising posters, designing of | |
| 83690 | Advertising samples, delivery of | |
| 83690 | Advertising services, aerial | |
| 83690 | Advertising services, direct | |
| 83690 | Advertising services, other | |
| 83631 | Advertising space, in books, newspapers, journals etc., sale of, directly by the publisher | |
| 83639 | Advertising space, in electronic media (except online), sale of, directly by the publisher | |
| 83639 | Advertising space, in video and motion pictures, sale of (product placement) | |
| 83633 | Advertising space, Internet, sale of, directly by web publishers | |
| 83620 | Advertising space, leasing of, on commission | |
| 83639 | Advertising space, on billboards, buildings, vehicles etc., sale of, directly by the owner | |
| 83631 | Advertising space, on postcards, timetables, posters etc., sale of, directly by the publisher | |
| 83620 | Advertising space, purchase of, on commission | |
| 83620 | Advertising space, sale of, on commission | |
| 83620 | Advertising time, leasing of, on commission | |
| 83620 | Advertising time, purchase of, on commission | |