| 1831 | Amazon Accelerator Services | Company Product |
| 1832 | Amazon Product Listing Optimization | Company Product |
| 1833 | Ambrace | Company Product |
| 1834 | American Ultra Violet | Company Product |
| 1835 | Amorus | Company Product |
| 1836 | AmpJet | Company Product |
| 1837 | Ampd Energy | Company Product |
| 1838 | Amperes | Company Product |
| 1839 | Amplifier Audio Power Transistors | Company Product |
| 1840 | Amt Milling | Company Product |
| 1841 | Analogue | Company Product |
| 1842 | Anderson Greenwood | Company Product |
| 1843 | Anderson Greenwood Crosby | Company Product |
| 1844 | Anker | Company Product |
| 1845 | Anser | Company Product |
| 1846 | Anv | Company Product |
| 1847 | Aoki | Company Product |
| 1848 | Aomeng Electric | Company Product |
| 1849 | Apia | Company Product |
| 1850 | Aquametrix | Company Product |
| 1851 | Aquanex | Company Product |
| 1852 | Ar Series | Company Product |
| 1853 | Arb | Company Product |
| 1854 | Arcelormittal | Company Product |
| 1855 | Arctic Steel | Company Product |
| 1856 | Argenta | Company Product |
| 1857 | Arita Etc. | Company Product |
| 1858 | Armatec | Company Product |
| 1859 | Arrow PPR | Company Product |
| 1860 | Arrow RTRC | Company Product |