| Business | Phone |
| Exponent 1800 Diagonal Rd 300, Alexandria 22314 | (571) 227-7200 |
| New American Schools 675 N Washington St, Alexandria 22314 | (703) 908-9500 |
| Electronic Prototypes Inc 8534 Old Mount Vernon Rd, Alexandria 22309 | (540) 929-4712 |
| Pbs Foundation 1320 Braddock Pl, Alexandria 22314 | (703) 739-5051 |