Present in a source dataset, with no recent operating signal.
What they make
Ship Building and Repairing336611- steering gears
- commercial marine
- fabrication
- pump testing
- tool repair
- cylinder repairs
- hydraulic flushing
- oil analysis
- laser alignments
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Products
Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.
Where these came from
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| East Coast Repair & Fabrication LLC Div-3 | Portsmouth | Turbine and Turbine Generator Set Units Manufacturing 333611 | LIKELY ACTIVE | 0.0 KM |
| Poseidon Industrial LLC | Portsmouth | Ship Building and Repairing 336611 | ACTIVE | 2.1 KM |
| General Dynamics Nassco-norfolk - Harper Facility | Portsmouth | Ship Building and Repairing 336611 | LIKELY ACTIVE | 2.2 KM |
| US Navy Mid-atlantic Regional Maintenance Center (marmc) at Nassco Earl | Portsmouth | Ship Building and Repairing 336611 | LIKELY ACTIVE | 2.2 KM |
| Fairlead Integrated, LLC | Portsmouth | Ship Building and Repairing 336611 | ACTIVE | 2.3 KM |
Also at this address
1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.
Where this record comes from
1 source holds this plant, and 5 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.
EPA cross-references this facility in OSHA-OIS.
- EPA Facility Registry ServiceEXISTENCERecord 110070325564 · first seen SEP 2018 · last seen SEP 2018
IN PORTSMOUTH COUNTY49 other plants share this one’s industry (Ship and Boat Building, NAICS 3366); 6 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
- EPA: HYVAL INDUSTRIES INCORPORATED · OCT 2026
- Street address
- EPA: 3400 SHIPWRIGHT ROAD · OCT 2026
- City
- EPA: PORTSMOUTH · OCT 2026
- State
- EPA: VA · OCT 2026
- Coordinates
- EPA: 36.8606,-76.34629 · OCT 2026