| Business | Phone |
| Hamilton Research Institute 8185 Danforth Ln, Germantown 38138 | (865) 524-5000 |
| M K Research & Consulting Inc 9056 S Corporate Edge Dr, Germantown 38138 | (901) 754-1622 |
| Juvenile Diabetes Research 6996 Bent Creek Dr, Germantown 38138 | (901) 759-4088 |