| Business | Phone |
| Bioscience Supper Array 7320 Executive Way, Frederick 21704 | (301) 682-9200 |
| Hi-Titer Tech Inc 1306 Bailes Ln # C, Frederick 21701 | (301) 682-4326 |
| Human Antibody Science Inc 5734 Industry Ln, Frederick 21704 | (301) 668-8300 |
| Intracel Resources Llc 93 Monocacy Blvd # A8, Frederick 21701 | (301) 668-8400 |
| Med Immune Inc 660 Research Dr, Frederick 21703 | (301) 228-5000 |
| Nova Biologix 15 Wormans Mill Ct # D, Frederick 21701 | (301) 515-6983 |