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 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.

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.

Austin-based Whole Foods, which is owned by Amazon, is the latest grocery chain to contend with unionization after workers in Philly voted in favor.

Whole Foods workers in Philadelphia became the first group to unionize under the grocery store chain. The vote came months after it filed to hold a union election in November.

Whole Foods said it was "disappointed" by the vote but "committed to maintaining a positive working environment"

Now, a battle lies ahead when working out the first contract between Whole Foods and the unionized workers. "This is going to be the longest uphill battle of our lives, but this is not just for us. This is for the people who come behind us and for the people who have been here," said Khy Adams, a Whole Foods employee.

Whole Foods workers at the Spring Garden store have expressed frustration about low pay and want better health-care benefits.

A majority of workers at a Whole Foods Market store in Philadelphia voted to join the United Food and Commercial Workers International union, giving organized labor a new foothold at parent company Amazon.

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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