| Business | Phone |
| Chicago Cutting Die 3555 Woodhead Dr, Northbrook 60062 | (847) 509-5800 |
| Natura Products Inc 3555 Woodhead Dr, Northbrook 60062 | (847) 509-5835 |
| Perfekt Punch 1885 Holste Rd, Northbrook 60062 | (847) 272-7575 |
| Ramcel Engineering 2926 Macarthur Blvd, Northbrook 60062 | (847) 272-6980 |
| Unicap Financial 707 Skokie Blvd 600, Northbrook 60062 | (847) 509-7575 |