Costco Teamsters members voted to authorize a strike if negotiations on a new contract don't result in a new deal by Jan. 31.

The clock is ticking for Issaquah-based Costco and the Teamsters Union to reach an agreement over a new contract for about 18 ...

DEI isn’t the only trouble facing a nationwide wholesaler as 18,000 union employees threaten to walk off the job as a contract dead nears. Threats of boycotts […] ...

The International Brotherhood of Teamsters ... or they’ll be held accountable,” Teamsters General President Sean M. O’Brien said. “From day one, we’ve told Costco that our members ...