| Business | Phone |
| William Wrigley Jr Co 3535 S Ashland Ave, Chicago 60609 | (773) 523-4040 |
| William Wrigley Jr Co 410 N Michigan Ave, Chicago 60611 | (312) 644-2121 |
| Wrico Packaging Div 3617 S Ashland Ave, Chicago 60609 | (773) 523-9190 |
| Gumlink 517 W Belmont Ave, Chicago 60657 | (773) 244-1547 |