The Teamsters union said more than 18,000 Costo workers are set to strike: “The vote is a direct result of the company’s continued failure to bargain constructively and refusal to present a

Teamsters for Costco Wholesale voted to authorize a strike ahead of an agreement ending on Jan. 31, the union group announced.

Thousand of Costco Teamsters across the U.S. are preparing to strike by the end of the month if the company does not present a "fair contract offer," the union says.