Blueline Sensors LLC
405 Bay Dr, Stevensville, MD 21666
Operating signal within 12 months from two or more independent sources.
What they make
Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing334511- surveillance technologies
- tactical contact microphones
- audio monitoring consoles
- sounds
- walls
- doors
- windows
- floors
- magnets
- suction mounts
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Zodiac of North America, INC. | Stevensville | Ship Building and Repairing 336611 | ACTIVE | 10.0 KM |
| Steves Marine Service INC | Stevensville | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511 | ACTIVE | 10.7 KM |
| Northern Defense Industries LLC | Stevensville | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511 | ACTIVE | 11.3 KM |
| Federal Resources Supply Company | Stevensville | Analytical Laboratory Instrument Manufacturing 334516 | ACTIVE | 11.7 KM |
| Northrop Grumman Systems Corporation | Annapolis | Other Communications Equipment Manufacturing 334290 | LIKELY ACTIVE | 13.6 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
3 sources hold this plant, and 9 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 M9J3L8S3CKM8 · first seen JAN 2026 · last seen JAN 2026
- SBA 7(a) and 504 loan recordsEXISTENCEfirst seen FEB 2024 · last seen FEB 2024
IN QUEEN ANNE'S COUNTY4 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 0 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: BLUELINE SENSORS LLC · JAN 2026
- Street address
- SAM.gov: 405 BAY DR · JAN 2026
- City
- SAM.gov: STEVENSVILLE · JAN 2026
- State
- SAM.gov: MD · JAN 2026
- Coordinates
- Census geocoder: 38.891305464919,-76.364142066764 · JUL 2026
- Website
- SAM.gov: http://www.bluelinesensors.com · JAN 2026
- CAGE code
- SAM.gov: 5ZPU1 · JAN 2026
- SAM registration expires
- SAM.gov: 2027-01-05 · JAN 2026
- SBA loans
- SBA: 7a loan x1, jobs 3.0 · FEB 2024


