Thermionics Northwest, INC.
231 Otto St, Port Townsend, WA 98368
Operating signal within 12 months from two or more independent sources.
What they make
Analytical Laboratory Instrument Manufacturing334516- manipulation
- sample handling
- ion pumps
- multi-motion
- rotary feedthroughs
- goniometers
- gearboxes
- PLD components
- sample cooling
- heating
- mounting
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Shine Micro, INC. | Port Ludlow | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511 | ACTIVE | 20.1 KM |
| Darbonnier Tactical Supply LLC | Oak Harbor | Sporting and Athletic Goods Manufacturing 339920 | ACTIVE | 28.6 KM |
| Technical Services, INC. | Oak Harbor | Bare Printed Circuit Board Manufacturing 334412 | ACTIVE | 28.6 KM |
| Dungeness Valley Holdings LLC | Sequim | Other Aircraft Parts and Auxiliary Equipment Manufacturing 336413 | ACTIVE | 23.1 KM |
| Raytheon_Poulsbo | Poulsbo | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511 | LIKELY ACTIVE | 33.9 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
2 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 UC1QAS6LEX49 · first seen APR 2026 · last seen APR 2026
IN JEFFERSON COUNTY1 other plant shares this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 1 of them has 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: THERMIONICS NORTHWEST, INC. · APR 2026
- Street address
- SAM.gov: 231 OTTO ST · APR 2026
- City
- SAM.gov: PORT TOWNSEND · APR 2026
- State
- SAM.gov: WA · APR 2026
- Coordinates
- Census geocoder: 48.084345117515,-122.814777652098 · JUL 2026
- Website
- SAM.gov: http://www.thermionicsnw.com · APR 2026
- CAGE code
- SAM.gov: 0FFK9 · APR 2026
- SAM registration expires
- SAM.gov: 2027-04-14 · APR 2026
- State business registration
- WA SOS: THERMIONICS NORTHWEST, INC., registered with the Washington Secretary of State; Corporation; active


