| 1801 | Asphalt, Tar, Bitumen Pumps | Company Product |
| 1802 | Asri | Company Product |
| 1803 | Ass | Company Product |
| 1804 | Assemblies of God Churches | Company Product |
| 1805 | Assembling Machines | Company Product |
| 1806 | Assembling System Modular Line | Company Product |
| 1807 | Assembly Diamond Core Bits | Company Product |
| 1808 | Assembly Jig | Company Product |
| 1809 | Assembly Line Feeding Trolleys | Company Product |
| 1810 | Assembly Robots | Company Product |
| 1811 | Asset Management Companies | Company Product |
| 1812 | Asset Tracking System | Company Product |
| 1813 | Associations | Company Product |
| 1814 | Asthma | Company Product |
| 1815 | Astm A182 F51 | Company Product |
| 1816 | Astm A276 Type 431 | Company Product |
| 1817 | Aston Martin Genuine Parts | Company Product |
| 1818 | Astronomical Instruments | Company Product |
| 1819 | Atcor | Company Product |
| 1820 | Ate | Company Product |
| 1821 | Atex Floodlights | Company Product |
| 1822 | Atex Lamps | Company Product |
| 1823 | Atex Motors | Company Product |
| 1824 | Atex Valves | Company Product |
| 1825 | Athletic Fields, Stadiums & Arenas | Company Product |
| 1826 | Athletic Organizations | Company Product |
| 1827 | Atomising Desuperheaters | Company Product |
| 1828 | Atomize Pump Hydraulic Testing Kits | Company Product |
| 1829 | Atomized Micro-Mist Lubricators | Company Product |
| 1830 | Atrap U-Bolts | Company Product |