See the merit here. Anyone else wanna 2nd?
Look at the local employers in Seattle. Specifically just to the east. Boeing moved its corporate office from Sea to CHI as well.
Boeing: Contact Us
https://www.boeing.com/contact-us.page
100 North Riverside. Chicago, Illinois 60606. Main switchboard: 312-544-2000. Investor Relations.
The building was originally constructed for the Morton Salt Company;[2] Boeing moved their corporate headquarters there in 2001 when they opted to leave Seattle for Chicago.
Proofs are available on this.