The Teamsters union announced early Saturday that it reached a tentative agreement with Costco as thousands of workers were preparing to walk off the job after a collective bargaining agreement ...

Teamsters slapped Costco with allegations of unfair labor practices on Wednesday, saying the company "expelled" union representatives from stores and harassed workers for wearing Teamsters attire. The ...

Teamsters President Sean O’Brien isn’t shy about how he approaches his role. “When I’m their friend, I’m going to stand with you no matter what,” said O’Brien. A Boston local and president of the ...

Teamsters union president Sean O'Brien testified before a Senate committee on Wednesday and expressed appreciation for Republican lawmakers' efforts to reach out to labor unions and work with them on ...