Miller Ingenuity to supply ZoneGuard to JBCC, US March 1, 2022 | Company News, News, North America Company News, North America News Miller Ingenuity has secured a contract to supply the ZoneGuard roadway worker protection system to the John Burns Construction Company (JBCC), located in Chicago, Illinois. The kit includes train de... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password