| 1951 | Monolithic Push Buttons | Company Product |
| 1952 | Monorail Cranes | Company Product |
| 1953 | Monorail Hoists | Company Product |
| 1954 | Monorails | Company Product |
| 1955 | Monosodium Glutamate | Company Product |
| 1956 | Monroe Shock Absorbers | Company Product |
| 1957 | Monuments | Company Product |
| 1958 | Moon Cake | Company Product |
| 1959 | Mooncake | Company Product |
| 1960 | Mooncake Bakery | Company Product |
| 1961 | Mooring Buoys | Company Product |
| 1962 | Mooring Pennants | Company Product |
| 1963 | Mooring Swivels | Company Product |
| 1964 | Mooring Systems | Company Product |
| 1965 | Moorings | Company Product |
| 1966 | Moorside Api Ring Joint | Company Product |
| 1967 | Mop & Ladle | Company Product |
| 1968 | Mop & Mop Pail | Company Product |
| 1969 | Mop Bucket | Company Product |
| 1970 | Mopping & Janitorial Trolleys | Company Product |
| 1971 | Mopping, Janitorial Trolleys | Company Product |
| 1972 | Moringa | Company Product |
| 1973 | Moringa Seeds | Company Product |
| 1974 | Moringa Seeds Distributors | Company Product |
| 1975 | Moringa Seeds Wholesalers | Company Product |
| 1976 | Morpholine | Company Product |
| 1977 | Mortar Anchors | Company Product |
| 1978 | Mortar Mixers | Company Product |
| 1979 | Mortar Plants | Company Product |
| 1980 | Mortar Pump | Company Product |