Milwaukee, WI – Workers at Milwaukee's Stone Creek Coffee unveiled a petition drive, March 4, to support a several months’ long organizing drive at retail shops and production facilities. These young cafe baristas, cooks, bakers, warehouse workers and truck drivers have signed up in ever-growing numbers to be represented by Teamsters Local 344, the Sales and Service Industry union that represents UPS workers as well as Coke, Pepsi and bakery and linen companies in southeastern Wisconsin.