Aon Center owner in deal to buy Old Main Post Office – Crain’s Chicago Business
Crain’s Chicago Business Aon Center owner in deal to buy Old Main Post OfficeCrain’s Chicago BusinessThe owner of two high-profile downtown Chicago properties is set to buy a notorious one: the sprawling Old Main Post Office. Developer 601W has a contract on the 2.7 million-square-foot colossus along the Chicago River in the West Loop, according…