| Business | Phone |
| C T Assoc 10777 Hampshire Ave S, Bloomington 55438 | (952) 470-0166 |
| Immunochemistry Technolodgy 9401 James Ave S # 155, Bloomington 55431 | (952) 888-8788 |
| Northern Research Laboratories 8400 Normandale Lake Blvd, Bloomington 55437 | (952) 820-4448 |