Portillo's laying off 18% of staff at Oak Brook headquarters

Portillo's laying off 18% of staff at Oak Brook headquartersPortillo's is laying off 18% of employees at its corporate headquarters in Oak Brook, the Chicago-area restaurant company said. Portillo's is laying off 18% of employees at its corporate headquarters in Oak Brook, the Chicago-area restaurant company said. Portillo's is laying off 18% of employees at its corporate headquarters in Oak Brook, the Chicago-area restaurant company said. Portillo's is laying off 18% of employees at its corporate headquarters in Oak Brook, the Chicago-area restaurant company said. OAK BROOK, Ill. (WLS) -- Portillo's is laying off a large portion of employees at its corporate headquarters in the west suburbs.