Harcosemco LLC
186 Cedar St, Branford, CT 06405
Operating signal within 12 months from two or more independent sources.
What they make
Aircraft Engine and Engine Parts Manufacturing336412HarcoSemco manufactures aerospace components including sensors, harnesses, and engine systems for fixed-wing aircraft, engines, and auxiliary power units. The company produces temperature sensors (such as outside air temperature, total air temperature, and oil temperature sensors), speed sensors, pressure sensors, thermocouple probes and rakes, and various electrical harnesses for flight control, landing gear, fuel systems, and engine applications.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Products
Where these came from
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Harco LLC | Branford | Aircraft Engine and Engine Parts Manufacturing 336412 | LIKELY ACTIVE | 0.0 KM |
| Oxley,inc. | Branford | Other Aircraft Parts and Auxiliary Equipment Manufacturing 336413 | ACTIVE | 4.4 KM |
| Airborne Industries INC. | Branford | All Other Miscellaneous Textile Product Mills 314999 | ACTIVE | 5.1 KM |
| Sikorsky Aircraft CORP | North Haven | Aircraft Manufacturing 336411 | LIKELY ACTIVE | 7.8 KM |
| Flight Support, INC. | North Haven | Aircraft Engine and Engine Parts Manufacturing 336412 | LIKELY ACTIVE | 9.3 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 8 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | JAN 2026 | JAN 2026 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | JAN 2026 |
| CAGE CODE | SAM GOV | JAN 2026 |
| CITY | SAM GOV | JAN 2026 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | JAN 2026 |
| REGISTRATION EXPIRATION | SAM GOV | JAN 2026 |
| STATE | SAM GOV | JAN 2026 |
| WEBSITE | SAM GOV | JAN 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.