Operating signal within 12 months from two or more independent sources.
What they make
Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables334513Optical Scientific manufactures optical sensors for weather monitoring and industrial process applications. The company produces precipitation gauges, weather identifier and visibility sensors, hail and ice pellet sensors, optical rain gauges, optical flow sensors for wet scrubbers and bag houses, particulate mass flow sensors, laser level meters, and automated weather stations. The company serves weather monitoring and industrial emissions control industries, and produces FAA Certified Automated Weather Observing Stations.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Cus-gnc, INC | Gaithersburg | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511 | ACTIVE | 3.1 KM |
| Manta Pharma LLC | Gaithersburg | Electromedical and Electrotherapeutic Apparatus Manufacturing 334510 | LIKELY ACTIVE | 4.5 KM |
| Spirent Communications | Gaithersburg | Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515 | UNVERIFIED | 4.0 KM |
| Accustrata INC | Germantown | Analytical Laboratory Instrument Manufacturing 334516 | ACTIVE | 5.0 KM |
| Automated Precision, INC. | Rockville | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513 | ACTIVE | 5.2 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 9 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 | DEC 2025 | DEC 2025 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | DEC 2025 |
| CAGE CODE | SAM GOV | DEC 2025 |
| CITY | SAM GOV | DEC 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | DEC 2025 |
| REGISTRATION EXPIRATION | SAM GOV | DEC 2025 |
| STATE | SAM GOV | DEC 2025 |
| WEBSITE | SAM GOV | DEC 2025 |
| YEAR ESTABLISHED | SITE YEAR | AUG 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


