Frederic J. Brown/AFP via Getty Images In addition, the Teamsters said local unions were also picketing "hundreds" of Amazon Fulfillment Centers nationwide. Overall, nearly 9,000 Amazon workers ...

LOS ANGELES, July 26 (Reuters) - The head of the Teamsters union stared down UPS with a potential multibillion-dollar strike that could have damaged the U.S. economy but instead won gains for ...

Costco Teamsters suspended negotiations for a new contract after the wholesale retailer rejected a card check agreement that would make it easier for non-union Costco workers to join Teamsters.