Dungeness Valley Holdings LLC
33 Williamson Rd, Sequim, WA 98382
Operating signal within 12 months from two or more independent sources.
What they make
Other Aircraft Parts and Auxiliary Equipment Manufacturing336413- thermal analysis
- aerospace technology solutions
- thermal systems
- engineering services
- microtube heat exchanger technology
- plate-fin cores
- architectures
- exchangers
- defense
- directed energy
- hypersonics
- AI data centers
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Angeles Composite Technologies INC | Port Angeles | Aircraft Manufacturing 336411 | LIKELY ACTIVE | 27.4 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
3 sources hold this plant, and 10 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 NC98LYWMK638 · first seen DEC 2025 · last seen DEC 2025
- SBA Paycheck Protection Program loan recordsEXISTENCERecord WA|sequim|33 williamson rd n a · first seen APR 2021 · last seen APR 2021
IN CLALLAM COUNTY1 other plant shares this one’s industry (Aerospace Product and Parts Manufacturing, NAICS 3364); 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: DUNGENESS VALLEY HOLDINGS LLC · DEC 2025
- Street address
- SAM.gov: 33 WILLIAMSON RD · DEC 2025
- City
- SAM.gov: SEQUIM · DEC 2025
- State
- SAM.gov: WA · DEC 2025
- Coordinates
- Census geocoder: 48.091473151089,-123.12482037174 · JUL 2026
- Employees (band)
- SBA PPP: 1-19 · APR 2021
- Website
- SAM.gov: www.aerottech.com · DEC 2025
- CAGE code
- SAM.gov: 8SAK2 · DEC 2025
- PPP loan
- SBA PPP: PPP loan x1, approved 2021-04-01, 1 jobs reported · APR 2021
- SAM registration expires
- SAM.gov: 2026-12-05 · DEC 2025


