| Business | Phone |
| Alphamed Express Manassas 20112 | (703) 791-6322 |
| Richards Home Medical 9201 Enterprise Ct C6, Manassas 20111 | (703) 530-7030 |
| Prince William Home Med Supl 8724 Sudley Rd, Manassas 20110 | (703) 361-4211 |
| Marketing Assessment Inc 9102 Industry Dr J, Manassas 20111 | (703) 392-9344 |