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 Manufacturing336413AeroTTech provides thermal analysis, system architecture, product development, and engineering services for aerospace, defense, directed energy, hypersonics, AI data centers, space, and small modular reactor support systems. The company develops heat exchanger products including an Additive AI-Enabled Heat Exchanger and microtube heat exchanger technology, along with plate-fin and shell-and-tube thermal architectures. No certifications are named in the text.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Metem LLC | Port Angeles | All Other Industrial Machinery Manufacturing 333248 | LIKELY ACTIVE | 21.9 KM |
| 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 — 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 | 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 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


