| 87141 | Automobile tire repair | |
| 87141 | Automobiles, emergency road services for | |
| 83563 | Automobiles, mechanical testing and analysis of | |
| 49113 | Automobiles, passenger | |
| 83564 | Automobiles, technical inspection of | |
| 38540 | Automobiles, toy (excl. those for riding) | |
| 38510 | Autoskiffs, wheeled, children's, designed to be ridden | |
| 46121 | Auto-transformers, electric | |
| 13000 | Autunite | |
| 91260 | Auxiliary fire brigades, fire prevention services by | |
| 91260 | Auxiliary fire brigades, firefighting services by | |
| 67910 | Auxiliary freight transport services n.e.c. | |
| 91240 | Auxiliary military forces, administrative services related to | |
| 91260 | Auxiliary police forces, operation of | |
| 91260 | Auxiliary police, services of | |
| 45290 | Auxiliary printing devices for tabulating machines | |
| 16310 | Aventurine feldspar, unworked or simply sawn or roughly shaped, whether or not graded, not strung, mounted or set | |
| 38220 | Aventurine feldspar, worked other than simply sawn or roughly shaped, whether or not graded, not strung, mounted or set | |
| 16310 | Aventurine quartz, unworked or simply sawn or roughly shaped, whether or not graded, not strung, mounted or set | |
| 38220 | Aventurine quartz, worked other than simply sawn roughly shaped, whether or not graded, not strung, mounted or set | |
| 71332 | Aviation insurance policies, underwriting of | |
| 34620 | Avicides in forms or packings for retail sale or as preparations | |
| 01310 | Avocados, fresh, chilled or dried | |
| 42997 | Awls (with eyes), of iron or steel | |
| 42921 | Awls, cobblers' (without eyes), of base metal | |
| 27160 | Awnings of textile materials | |
| 27160 | Awnings, caravan (caravan annexes), of canvas or other textile material | |
| 54699 | Awnings, installation of | |
| 42921 | Axe heads | |
| 35250 | Axerophthol, not put up as medicaments | |
| 35260 | Axerophthol, put up as medicaments in measured doses or in forms or packings for retail sale | |
| 42921 | Axes (excl. mountaineering ice-axes) | |
| 43142 | Axial-flow turbines | |
| 49129 | Axle journals for road motor vehicles or tractors | |
| 49540 | Axle-boxes (incl. bodies and guides therefor) for railway or tramway locomotives or rolling-stock | |
| 49941 | Axles for motor cycles | |
| 43570 | Axles for the trucks of subclass 43530 | |
| 43570 | Axles for the works trucks and tractors of subclass 43530 | |
| 49232 | Axles for trailers or animal-drawn vehicles | |
| 49640 | Axles, aircraft | |