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 Pennsylvania Whole Foods store voted on Monday to unionize, forming the first union in the organic grocery chain owned by Amazon.

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.

The Amazon-owned grocery store brand says it's 'disappointed' in the employees' plan to join the United Food and Commercial Workers union.

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.

Workers at a Whole Foods Market in Philadelphia voted to form a union, the first time employees of the Amazon-owned grocer have organized in decades. Monday’s vote, which passed 130-100, was prompted by workers’ push for higher wages and improved benefits.