| Business | Phone |
| Beco Group 200 S Prospect Ave, Park Ridge 60068 | (847) 825-8000 |
| Lab Temps 200 S Prospect Ave, Park Ridge 60068 | (847) 825-6600 |
| Faherty Group 1580 N Northwest Hwy, Park Ridge 60068 | (847) 296-3819 |
| Manpower Inc 1300 Higgins Rd 114, Park Ridge 60068 | (847) 292-0125 |
| Sierra Systems 200 S Prospect Ave, Park Ridge 60068 | (847) 384-2000 |