| 1381 | Ammonia Packings | Company Product |
| 1382 | Ammonia Piping System | Company Product |
| 1383 | Ammonia Refrigeration System | Company Product |
| 1384 | Ammonia, Freon Pumps | Company Product |
| 1385 | Ammonium Chloride | Company Product |
| 1386 | Ammonium Fluoride | Company Product |
| 1387 | Ammonium Persulphate | Company Product |
| 1388 | Ammonium Sulphate | Company Product |
| 1389 | Ammunition | Company Product |
| 1390 | Ammunition Presses | Company Product |
| 1391 | Amperes Public Address System | Company Product |
| 1392 | Amplifier | Company Product |
| 1393 | Amplifier Cards | Company Product |
| 1394 | Amplifier Probes | Company Product |
| 1395 | Amplifier Repairs | Company Product |
| 1396 | Amplifiers | Company Product |
| 1397 | Amplifier Valves | Company Product |
| 1398 | Ampoule | Company Product |
| 1399 | Ampoule Sealing Machine | Company Product |
| 1400 | Ams5662 | Company Product |
| 1401 | Ams5663 | Company Product |
| 1402 | Amusement Devices | Company Product |
| 1403 | Amusement Park Rides Equipment | Company Product |
| 1404 | Amusement Parks | Company Product |
| 1405 | Amusement Places | Company Product |
| 1406 | Anaerobic Adhesives | Company Product |
| 1407 | Anaerobic Mixers | Company Product |
| 1408 | Anai-Anai Pest Control | Company Product |
| 1409 | Analog Amplifiers | Company Product |
| 1410 | Analog Control Boxes | Company Product |