Some shoppers are choosing not to cross the picket lines at the King Soopers stores where union workers are on strike.

King Soopers, a chain owned by Kroger, with 121 stores in Colorado and Wyoming, has been negotiating a new contract with the union since October.

Union members took to the picket lines Thursday against King Soopers stores across the Denver area and in Boulder and Louisville. Here’s a list of the impacted stores.