| Business | Phone |
| State Testing 570 Rock Road Dr K, Dundee 60118 | (847) 836-6002 |
| Probir Chatterjea & Assoc Inc 211 Darien Ln, Dundee 60118 | (847) 426-4520 |
| Gerald L Heinz & Assoc 206 N River St, Dundee 60118 | (847) 426-4535 |
| Hansen & Palmer Assoc Ltd 517 W Main St, Dundee 60118 | (847) 836-9818 |