| Business | Phone |
| Housing Authority 1301 Ashland Ave 1, Des Plaines 60016 | (847) 299-1934 |
| Senate Business Plans 5600 N River Rd, Des Plaines 60018 | (847) 685-6653 |
| Small Business Corp 2400 E Devon Ave 220, Des Plaines 60018 | (847) 699-1080 |
| Usda Aphis 2300 E Devon Ave, Des Plaines 60018 | (847) 298-2586 |