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.

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

Whole Foods workers in Philadelphia voted in favor of union representation Monday, marking the Texas-based and Amazon-owned grocer's very first union. "Despite a tsunami of illegal union busting tactics,