Operating signal within 24 months, or from a single source.
What they make
Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals334515- calibration
- on-site services
- timing
- aerospace
- defense
- telecommunications
- data centers
- pharmaceutical
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Products
Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.
Where these came from
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Van Cleve & Associates, INC. | Alexandria | Audio and Video Equipment Manufacturing 334310 | ACTIVE | 2.4 KM |
| Kongsberg Defense & Aerospace Holding, INC. | Alexandria | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511 | ACTIVE | 4.7 KM |
| Melling LLC | Alexandria | Surgical and Medical Instrument Manufacturing 339112 | ACTIVE | 4.5 KM |
| Northern Defense Industries, LLC | Alexandria | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511 | ACTIVE | 4.5 KM |
| Aero International, LLC | Alexandria | Other Aircraft Parts and Auxiliary Equipment Manufacturing 336413 | ACTIVE | 4.5 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
2 sources hold this plant, and 8 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord FJHUJNJW92F3 · first seen OCT 2025 · last seen OCT 2025
IN FAIRFAX COUNTY47 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 14 of them have a size band on record.
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- Name
- SAM.gov: NSCA, LLC · OCT 2025
- Street address
- SAM.gov: 2501 ROSS ST · OCT 2025
- City
- SAM.gov: ALEXANDRIA · OCT 2025
- State
- SAM.gov: VA · OCT 2025
- Coordinates
- Census geocoder: 38.764223804569,-77.07588864834 · JUL 2026
- Website
- SAM.gov: https://www.tra-cal.com/ · OCT 2025
- CAGE code
- SAM.gov: 9RW47 · OCT 2025
- SAM registration expires
- SAM.gov: 2026-10-16 · OCT 2025


