| Business | Phone |
| Sylvan Learning Ctr 900 Skokie Blvd 109, Northbrook 60062 | (847) 272-0297 |
| Imi 2970 Maria Ave 227a, Northbrook 60062 | (847) 205-1604 |
| Joannie Collens Performance Northbrook 60062 | (847) 205-0120 |
| Mind Boosters Inc 1125 Landwehr Rd, Northbrook 60062 | (773) 983-2048 |