Crain Communications, home to Crain’s Chicago Business, Business Insurance, Modern Healthcare and Workforce Management publications, signed a 10-year, 54,426-square-foot lease at 150 N. Michigan Ave. in Chicago. The company will relocate its editorial and advertising sales staff, which total approximately 200 employees, from 360 N. Michigan Ave. to three floors at 150 N. Michigan by March 31 of next year.