| Business | Phone |
| Island Consulting & Computers 7931 W Metropole St, Elmwood Park 60707 | (708) 583-1968 |
| Public Safety Data Consultants Elmwood Park 60707 | (708) 453-6228 |
| Tec Graphic Arts Management 1649 N New England Ave, Elmwood Park 60707 | (773) 889-2655 |