Operating signal within 12 months from two or more independent sources.
What they make
Ship Building and Repairing336611Southwest Shipyard provides shipbuilding and repair services to the commercial and government marine industry. The company performs gas freeing and cleaning, steaming and flaring, vessel repair and conversion, surface preparation and painting, and wastewater treatment. Southwest Shipyard operates four shipyards in South Texas with deep water access to the Gulf of Mexico.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| San Jac Marine LLC | Channelview | Ship Building and Repairing 336611 | ACTIVE | 2.7 KM |
| Delta Engineering | Houston | Ship Building and Repairing 336611 | UNVERIFIED | 5.9 KM |
| Rio Marine, INC. | Channelview | Ship Building and Repairing 336611 | ACTIVE | 5.7 KM |
| Rio Controls & Hydraulics INC | Channelview | Fluid Power Cylinder and Actuator Manufacturing 333995 | ACTIVE | 5.7 KM |
| I.m.w., INC. | Houston | Ship Building and Repairing 336611 | UNVERIFIED | 6.6 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 3 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.
EPA cross-references this facility in AIR, AIRS/AFS, CEDRI, ECRM, EIS, ICIS, NPDES, RCRAINFO, TRIS, TX-TCEQ ACR · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| EPA FRS | EXISTENCE | MAY 2026 | MAY 2026 |
| SAM GOV | OPERATING | APR 2026 | APR 2026 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | APR 2026 |
| CAGE CODE | SAM GOV | APR 2026 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | APR 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | APR 2026 |
| REGISTRATION EXPIRATION | SAM GOV | APR 2026 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | APR 2026 |
| WEBSITE | SAM GOV | APR 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.