A Q&A with Ari Scharg of Edelson PC In February, the Chicago Regional Council of Carpenters and the International Union of Operating Engineers Local 150 filed the first ever lawsuit brought by Illinois unions against several opioid manufacturers, distributors, and prescribers. The Illinois Unions want to hold drug companies accountable for the crisis impacting their communities and families in a very real way, “more than anything else, a win would mean creating a safer environment for Carpenters, Operating Engineers and others in the construction industry.”