Arthur J. Gallagher & Co. will keep its headquarters in Illinois, but will move from Itasca to Rolling Meadows where it plans to add 500 jobs over five years.

 

http://www.stltoday.com/business/local/illinois-pledges-m-to-keep-brokerage-in-state/article_04cfb0d4-6f83-513c-b7f0-023d870c3b7b.html