| (PMC) (defunct) | |
| Company type | private corporation |
| Industry | Check Writer, office machines |
| Predecessors |
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| Founded | June 1, 1917 |
| Founders |
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| Headquarters | , U.S. |
Area served | U.S., Canada, Mexico |
Paymaster Corporation was a Chicago-based company that manufactured and sold the Paymaster mechanical check writers, which could be found at post office branches, financial institutions, and small businesses in North America throughout the twentieth century.