| Business | Phone |
| Reading Enriches All Dimension 1623 W Colonial Pkwy 200, Palatine 60067 | (847) 776-1475 |
| Ombudsman Educational Svc 37 S Northwest Hwy, Palatine 60074 | (847) 991-7320 |
| Oxford Learning-Palatine 764 W Euclid Ave, Palatine 60067 | (847) 963-9900 |
| Prizel Academic Svc Palatine 60074 | (847) 392-3353 |