| 1951 | Air Distribution | |
| 1952 | Alarm and Beacon | |
| 1953 | All Day Breakfast | |
| 1954 | Aircon Servicing | |
| 1955 | Access Floors | |
| 1956 | Automotive V-Belt | |
| 1957 | Aluminium Alloy Bulb Flat Bar | |
| 1958 | Aluminium Alloy Plate | |
| 1959 | Automatic Gates | |
| 1960 | ABM mineral wool | |
| 1961 | Automatic Survivor Locator Light | |