| Business | Phone |
| Advancis Pharmaceutical Corp 20425 Goldenrod Ln, Germantown 20874 | (240) 686-1030 |
| Avalon Pharmaceuticals 20360 Goldenrod Ln, Germantown 20876 | (301) 528-0266 |
| Avalon Pharmacuticals 20358 Seneca Meadows Pkwy, Germantown 20876 | (301) 556-9900 |