| Company type | Private |
|---|---|
| Industry | Electronics |
| Founded | c. 1910 [1] |
| Defunct | c. 1960 |
| Fate | Acquired by the Griswold Signal after the WWII. Production continued until 1949 |
| Headquarters | , |
Area served | United States |
| Products | Railway signalling |
The Magnetic Signal Company was an American company based in Los Angeles, California, focused on railway signalling. The company was the manufacturer of the ubiquitous "Magnetic Flagman" wigwag railroad crossing (or level crossing) signal, seen all over California and the western states.