Starbucks Workers in Chicago, Colorado Join Growing Union Push

Starbucks Corp. workers in Chicago and Colorado are seeking to unionize two more stores, bringing organized labor’s push to organize the coffee giant to two new metropolitan areas after a major win in New York state.

Two dozen workers in suburban Denver and 16 in Chicago have filed petitions with the federal labor board to hold union elections. The employees are backed by Workers United, an affiliate of the Service Employees International Union that won a union election at a Starbucks store in Buffalo, N.Y., last month.

“In Solidarity with partners in Buffalo, Boston, Knoxville, and all those organizing nationwide, ...