| Business | Phone |
| Vital Systems 2035 Abbotsford Dr 100, Barrington 60010 | (847) 458-2900 |
| Novartis Pharmaceuticals 1300 S Grove Ave 200, Barrington 60010 | (847) 382-7977 |
| Medical Solutions Inc 200 N Northwest Hwy, Barrington 60010 | (847) 382-2030 |
| Merix Pharmaceutical 18 Dundee Ln, Barrington 60010 | (847) 277-1111 |