The Teamsters union says Amazon has illegally fired more than 150 unionized drivers working for a third-party contractor in Queens, New York, in retaliation for unionizing, reports the Guardian.

Workers rallied at the company’s DBK4 facility in Queens on September 8, after the company fired the drivers, who worked for Cornucopia, a delivery service provider (DSP) that Amazon contracted with to make deliveries. Amazon works with more than 3,000 DSPs around the world who deliver the company’s packages.

“Amazon is breaking the law and we let the public know it,” said Antonio Rosario, a member of local 804 and a Teamster organizer, in a statement. “Amazon workers will continue to organize and fight for what they deserve.”

The union said in a statement that “Amazon tries to dodge responsibility for its drivers through its sham ‘Delivery Service Partner’ (DSP) program. Drivers wear Amazon uniforms, deliver Amazon packages, and drive Amazon trucks, but the company claims to not employ them."

Read More: From Ballots to Bargaining: The Struggle to Unionize at Amazon's Warehouses

In August 2024, the National Labor Relations Board determined that Amazon is a joint employer of subcontracted drivers who delivered the company's packages out of Palmdale, California, reported NPR.

The Guardian reports that Amazon said in a statement that the union was “deliberately spreading misinformation.”