| Business | Phone |
| Radio Shack 4122 N Harlem Ave 102, Harwood Heights 60706 | (708) 453-4544 |
| Sound Technology 5005 N East River Rd, Harwood Heights 60706 | (708) 452-4717 |
| Tel-Star Systems Inc 7835 W Lawrence Ave, Harwood Heights 60706 | (708) 452-8940 |
| Video Games Etc 4353 N Harlem Ave, Harwood Heights 60706 | (708) 457-2260 |