| Business | Phone |
| Nationwide Gage Calibration 159 Covington Dr, Bloomingdale 60108 | (630) 529-4959 |
| Nitech Industries Inc 109 Fairfield Way 305, Bloomingdale 60108 | (630) 307-8805 |
| Stone Creviston Coddington 201 E Army Trail Rd 102, Bloomingdale 60108 | (630) 894-3202 |
| Us Electrical Motors 129 Fairfield Way, Bloomingdale 60108 | (630) 671-9200 |