(For other uses, see Tronc (disambiguation).)("Tribune Publishing" redirects here. For the broadcast and digital media company, see Tribune Media.) tronc, Inc. (formerly Tribune Publishing) is an American newspaper print and online media publishing company based in Chicago, Illinois. Among other publications, the company's portfolio includes the Chicago Tribune, Los Angeles Times, Orlando Sentinel, (Central Florida) Sun-Sentinel, The Baltimore Sun, (Allentown, Pennsylvania) The Morning Call, Hartford Courant, and the San Diego Union-Tribune. It also publishes several local newspapers in these metropolitan regions, which are organized in subsidiary groups. It is the nation's third-largest newspaper publisher (behind Gannett, and The McClatchy Company), with ten daily newspapers and commuter