40 Ridge Rd, Highland Park, IL, 60035 (current address)
1818 Skokie Blvd, Northbrook, IL, 60062 (1999 - 2013)
1625 Hinman Ave, Evanston, IL, 60201 (2000 - 2013)
Ideas Workshop Inc, Northbrook, IL, 60062 (2003)
Ideas Workshop Inc 1000 Sunset R, Northbrook, IL, 60062 (2003)