The union says it's the most diverse in the country. Since 2000, the Teamsters have endorsed Democratic presidential candidates. Before that, the union supported Republicans Ronald Reagan in 1980 ...

Teamsters Local 63 joined union workers as they rallied in downtown Los Angeles Monday morning in support of unionizing Alabama Amazon workers. Al Seib/Los Angeles Times via Getty Imag.

In the Teamsters’ news release announcing its nonendorsement, the union defended its decision by citing an internal survey that had found rank-and-file Teamsters strongly favored Trump over ...

The Teamsters union, which also has affiliates in Canada and Puerto Rico, was created in 1903 by the merger of driver associations and now have more than a million members.