The Democratic primary for Pittsburgh mayor has divided labor unions, with some backing incumbent Ed Gainey and others supporting challenger Corey O’Connor. Progressive-leaning unions, including teachers, healthcare workers, and Starbucks employees, stand behind Gainey for his strong pro-labor stance. Meanwhile, O’Connor has gained endorsements from business-friendly unions like the Pittsburgh Building Trades Council, which criticizes Gainey for stalled economic development. He has also secured support from several municipal unions representing city workers. While union leadership is split, the votes of rank-and-file members may ultimately decide the race.
See "Pittsburgh's unions divided over support for Mayor Ed Gainey and Controller Corey O'Connor", Andy Sheehan, CBS News, March 20, 2025