The Amazon Labor Union will affiliate with the International Brotherhood of Teamsters, giving the upstart union the backing of one of the most powerful forces in labor, Teamsters announced Tuesday.

A regional office of the National Labor Relations Board issued a complaint against the e-commerce giant over its alleged illegal refusal to bargain.

Workers then choose to affiliate with the Teamsters this past summer. The National Labor ... Service Partners, who deliver millions of packages daily. Amazon has accused the union, which says ...

Amazon Workers Strike at Multiple Facilities as Teamsters Seek Labor Contract ... Delivery Service Partners, who deliver millions of packages daily. Amazon has accused the union, which says ...

“What you see here are almost entirely outsiders—not Amazon employees or partners—and the suggestion otherwise is just another lie from the Teamsters ... labor regulators have sided with the ...