It's unclear if the strikes would close stores. Costco has 219,000 U.S. employees and 617 U.S. stores. The company said its labor agreement with the Teamsters applies to less than 10% of those stores.

The 85% strike authorization demonstrates employee discontent as workers casted their votes overwhelmingly in favor of hinging a labor agreement on January 31. Costco workers have organized to ...

Despite the union's portrayal of the agreement as a victory, it is the latest rank betrayal by the Teamsters bureaucracy, ...

Thousands of Costco workers prepared to strike with a midnight deadline drawing closer Friday while the worker's union and the company negotiated. The Teamsters union represents 18,000 Costco ...

A Teamsters union of 18,000 Costco workers has voted to authorize a strike within the next two weeks if their contract demands are not met. The union claims in a statement that the wholesaler and ...

SEATTLE — Costco workers across the country have authorized a strike if a contract agreement isn’t met by Jan. 31. Costco Teamsters, which represents 18,000 workers, said Sunday that 85% of ...

Thousands of Costco workers prepared to strike with a midnight deadline drawing closer Friday while the worker’s union and the company negotiated. The Teamsters union represents 18,000 Costco ...