| Business | Phone |
| Tgv Rockets 4311 Lynbrook Dr, Bethesda 20814 | (301) 913-0071 |
| Chesapeake Rocket Works 5909 Johnson Ave, Bethesda 20817 | (301) 897-2975 |
| Lockheed Martin Corp 6560 Rock Spring Dr, Bethesda 20817 | (301) 214-3000 |
| Lockheed Martin Corp 6801 Rockledge Dr, Bethesda 20817 | (301) 897-6000 |
| Lofty Systems 6701 Democracy Blvd, Bethesda 20817 | (301) 571-9470 |