| Business | Phone |
| Capa Imports 52 S Market St, Frederick 21701 | (301) 696-0066 |
| Control Logistics 330 Aviation Way # L, Frederick 21701 | (301) 694-5556 |
| North Capa Imports 5711 Industry Ln # 22, Frederick 21704 | (301) 846-7705 |
| Pgc Scientifics Corp 7311 Governors Way, Frederick 21704 | (301) 620-7777 |