“Judge Matthew Kennelly of the U.S. District Court for the Northern District of Illinois wrote in his ruling that only states have the power to enact laws prohibiting union security agreements. Kennelly said that the National Labor Relations Act exemption for states and territories didn’t apply to Lincolnshire, meaning the municipality lacked the authority to enact its law. The judge issued a summary judgment in the case, siding with the four unions that filed the federal lawsuit in early 2016 challenging Lincolnshire’s ordinance. The unions that filed the federal lawsuit were the International Union of Operating Engineers Locals 150 and 399, the Chicago Regional Council of Carpenters and the Laborers District Council of Chicago and Vicinity”