The International Brotherhood of Teamsters represents 18,000 Costco (COST) employees across the country.

Approximately 18,000 Costco employees are represented by the International Brotherhood of Teamsters union. A semitruck for the Teamsters Local 174 at a practice picket on Jan. 23, 2025.

Costco workers represented by the International Brotherhood of Teamsters reached a tentative agreement with the wholesaler Saturday. The new contract will now go to members for a vote.

The International Brotherhood of Teamsters, a national union, represents more than 18,000 workers at Costco nationwide. The company has about 219,000 U.S. employees, according to Statistica.

An estimated 18,000 Costco employees are members of the International Brotherhood of Teamsters, and 85% of them voted to strike.

The International Brotherhood of Teamsters, which represents more than 10,000 Costco workers, authorized a nationwide strike to occur in February.

Costco Wholesale and the Teamsters union have reached a tentative agreement on a new contract, averting a strike that could have disrupted operations. The International Brotherhood of Teamsters ...

The International Brotherhood of Teamsters represents 18,000 Costco (COST) employees across the country.