Workers voted 130-100 for union representation at the Center City in Philadelphia, according to the National Labor Relations Board.

Workers at a flagship Whole Foods Market in Philadelphia, Pennsylvania voted to unionize and become the first union in the grocery chain's history.

The union's election win, which workers called "historic," tees up another organizing battle inside Amazon's workforce.

Employees at a Philadelphia Whole Foods made history as the first Amazon-owned grocery chain to unionize following a Monday vote. The National Labor Relations Board (NLRB) cited a 130-100 vote of workers at a Whole Foods in Center City in Philadelphia,

Workers at Philadelphia's Center City Whole Foods store voted on Monday to unionize, becoming the first local store in the chain owned by Amazon to formally organize under the United Food and Commercial Workers.

Workers at a Whole Foods Market in Pennsylvania have voted to unionize, becoming the first group of employees to pull off a labor win at the Amazon-owned grocery store chain.

It came down to 130 voting to join the United Food and Commercial Workers and 100 voted against. Union workers come from Kroger, Albertsons-Safeway, and others.

The grocery chain’s store in Philadelphia becomes the first to join a union, where workers hope to expand organizing to other outlets and across the Amazon empire.

Whole Foods workers in Philadelphia are voting on whether to form the first union in the Amazon-owned chain. The company is pushing back.

As Whole Foods workers in Philadelphia took a victory lap on Tuesday a day after their historic vote to unionize, they acknowledged that getting a contract is likely to be a difficult fight.

The union win, at a Philadelphia store where workers are seeking higher wages, comes as Amazon is also fighting organizing efforts among some warehouse employees and delivery drivers.