Welcome to the
International Union of Operating Engineers
Local 420 Superior/Northwest District Web Site
Calumet Superior Bargaining Unit – Superior, WI website click here.
IUOE Local 420 Home office –Milwaukee, WI click here.
IUOE Local 420 Mission Statement
Local 420 is a democratic labor organization dedicated to the excellence in representing the membership,
promoting high standards of work and productivity, and advancing the labor movement.