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| Predecessor | Switchmen's Mutual Aid Association |
|---|---|
| Merged | United Transportation Union |
| Founded | October 13, 1894 |
| Dissolved | January 1, 1969 |
| Headquarters | Buffalo, New York |
| Location |
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| Affiliations | American Federation of Labor |
The Switchmen's Union of North America (SUNA) was a labor union formed in October 1894 that represented the track switch operators and people who coupled railway cars in railway yards in the United States and Canada. It became part of the United Transportation Union in 1969.