| 1831 | Attenuators | Company Product |
| 1832 | Attwood Pumps | Company Product |
| 1833 | Au Series | Company Product |
| 1834 | Auctioneers | Company Product |
| 1835 | Audi Genuine Parts | Company Product |
| 1836 | Audio Amplifiers | Company Product |
| 1837 | Audio Analysers | Company Product |
| 1838 | Audio Cables | Company Product |
| 1839 | Audio Cassette Recording | Company Product |
| 1840 | Audio Cassette Tapes | Company Product |
| 1841 | Audio Electronic Generators | Company Product |
| 1842 | Audio Equalisers | Company Product |
| 1843 | Audio Equipment Rental | Company Product |
| 1844 | Audio Generators | Company Product |
| 1845 | Audio Impedance Testers | Company Product |
| 1846 | Audio Interface | Company Product |
| 1847 | Audio Mixers | Company Product |
| 1848 | Audio Recorders | Company Product |
| 1849 | Audio Rental | Company Product |
| 1850 | Audio Speaker Rental | Company Product |
| 1851 | Audio Transformers | Company Product |
| 1852 | Audio Video Head Cleaners | Company Product |
| 1853 | Audio Visual | Company Product |
| 1854 | Audio Visual Aids | Company Product |
| 1855 | Audio Visual Consultants | Company Product |
| 1856 | Audio Visual Equipment & Supplies | Company Product |
| 1857 | Audio Visual Equipment Rental | Company Product |
| 1858 | Audio Visual Production | Company Product |
| 1859 | Audiometers | Company Product |
| 1860 | Audit Company Singapore | Company Product |