Jeff Duncan CO LLC
103 White House Dr, Poquoson, VA 23662
ACTIVELAST SEEN IN FEDERAL DATA SEP 2026 · 2 SOURCES
Operating signal within 12 months from two or more independent sources.
Their homepage, crawled JUL 2026
What they make
Ship Building and Repairing336611- field machining
- training
- consulting
- foundation milling
- vertical machining
- line boring
- flange facing
- custom engineering solutions
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
37.14293, -76.37243 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Advex Corporation | Hampton | Fabricated Structural Metal Manufacturing 332312 | ACTIVE | 6.5 KM |
| Dishman Fabrications LLC | Yorktown | Ornamental and Architectural Metal Work Manufacturing 332323 | ACTIVE | 6.8 KM |
| US Naval Weapons Station Yorktown - Cheatham Annex | Yorktown | All Other Miscellaneous Fabricated Metal Product Manufacturing 332999 | UNVERIFIED | 7.4 KM |
| Coastal Craft Repair LLC | Hampton | Ship Building and Repairing 336611 | ACTIVE | 10.2 KM |
| Tkms Atlas North America LLC | Yorktown | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511 | LIKELY ACTIVE | 10.7 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
2 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 SEP 2026
- SAM.gov entity registrationOPERATINGRecord LGFTHJFKL6R1 · first seen JUN 2026 · last seen JUN 2026
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: JEFF DUNCAN CO LLC · JUN 2026
- Street address
- SAM.gov: 103 WHITE HOUSE DR · JUN 2026
- City
- SAM.gov: POQUOSON · JUN 2026
- State
- SAM.gov: VA · JUN 2026
- Coordinates
- Census geocoder: 37.142926007462,-76.37243148802 · JUL 2026
- Website
- SAM.gov: www.avalanchemachining.com · JUN 2026
- Year established
- VA SCC: 2016 · NOV 2016
- CAGE code
- SAM.gov: 9D3J6 · JUN 2026
- SAM registration expires
- SAM.gov: 2027-06-01 · JUN 2026
- State business registration
- VA SCC: Jeff Duncan Co LLC, registered with the Virginia State Corporation Commission; Limited liability company; formed 2016-11-01; active · NOV 2016